/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:30:08,793 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:30:08,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:30:08,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:30:08,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:30:08,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:30:08,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:30:08,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:30:08,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:30:08,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:30:08,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:30:08,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:30:08,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:30:08,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:30:08,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:30:08,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:30:08,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:30:08,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:30:08,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:30:08,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:30:08,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:30:08,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:30:08,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:30:08,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:30:08,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:30:08,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:30:08,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 05:30:08,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:30:08,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:30:08,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:30:08,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:30:08,916 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:30:08,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:30:08,917 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:30:08,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:30:08,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:30:08,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:30:08,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:30:08,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:30:08,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:30:08,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:30:08,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:30:08,920 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:30:08,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:30:08,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:30:08,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:30:08,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:30:08,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:30:08,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:30:08,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:30:08,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:30:08,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:30:08,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:30:08,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:30:08,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:30:08,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:30:08,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:30:09,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:30:09,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:30:09,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:30:09,228 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:30:09,228 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:30:09,229 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-20 05:30:09,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa7fb84c/bd3172ed05de4fa2a83dcf544c31238b/FLAG05ed7c754 [2020-07-20 05:30:09,733 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:30:09,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-20 05:30:09,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa7fb84c/bd3172ed05de4fa2a83dcf544c31238b/FLAG05ed7c754 [2020-07-20 05:30:10,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa7fb84c/bd3172ed05de4fa2a83dcf544c31238b [2020-07-20 05:30:10,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:30:10,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:30:10,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:30:10,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:30:10,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:30:10,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf582a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10, skipping insertion in model container [2020-07-20 05:30:10,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:30:10,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:30:10,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:30:10,324 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:30:10,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:30:10,352 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:30:10,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10 WrapperNode [2020-07-20 05:30:10,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:30:10,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:30:10,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:30:10,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:30:10,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... [2020-07-20 05:30:10,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:30:10,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:30:10,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:30:10,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:30:10,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:30:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:30:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:30:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-20 05:30:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-20 05:30:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-20 05:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-20 05:30:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:30:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:30:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:30:10,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:30:10,741 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 05:30:10,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:10 BoogieIcfgContainer [2020-07-20 05:30:10,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:30:10,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:30:10,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:30:10,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:30:10,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:30:10" (1/3) ... [2020-07-20 05:30:10,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334f356c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:10, skipping insertion in model container [2020-07-20 05:30:10,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:10" (2/3) ... [2020-07-20 05:30:10,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334f356c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:10, skipping insertion in model container [2020-07-20 05:30:10,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:10" (3/3) ... [2020-07-20 05:30:10,754 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-07-20 05:30:10,765 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:30:10,772 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:30:10,785 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:30:10,808 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:30:10,809 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:30:10,809 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:30:10,809 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:30:10,809 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:30:10,809 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:30:10,810 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:30:10,810 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:30:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-20 05:30:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-20 05:30:10,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:10,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:10,834 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:10,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-20 05:30:10,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:10,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959341966] [2020-07-20 05:30:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:30:11,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959341966] [2020-07-20 05:30:11,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:30:11,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 05:30:11,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866598322] [2020-07-20 05:30:11,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:30:11,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:11,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:30:11,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:30:11,081 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-20 05:30:11,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:11,222 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-20 05:30:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:30:11,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-20 05:30:11,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:11,236 INFO L225 Difference]: With dead ends: 44 [2020-07-20 05:30:11,236 INFO L226 Difference]: Without dead ends: 30 [2020-07-20 05:30:11,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:30:11,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-20 05:30:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-20 05:30:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-20 05:30:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-20 05:30:11,319 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-20 05:30:11,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:11,321 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-20 05:30:11,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:30:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-20 05:30:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-20 05:30:11,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:11,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:11,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:30:11,329 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:11,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:11,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-20 05:30:11,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:11,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720582914] [2020-07-20 05:30:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:30:11,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720582914] [2020-07-20 05:30:11,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:30:11,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 05:30:11,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423292258] [2020-07-20 05:30:11,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:30:11,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:11,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:30:11,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:30:11,426 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-20 05:30:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:11,506 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-20 05:30:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:30:11,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-20 05:30:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:11,509 INFO L225 Difference]: With dead ends: 36 [2020-07-20 05:30:11,509 INFO L226 Difference]: Without dead ends: 32 [2020-07-20 05:30:11,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:30:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-20 05:30:11,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-20 05:30:11,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-20 05:30:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-20 05:30:11,522 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-20 05:30:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:11,522 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-20 05:30:11,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:30:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-20 05:30:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 05:30:11,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:11,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:11,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:30:11,527 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:11,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-20 05:30:11,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:11,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622553891] [2020-07-20 05:30:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:30:11,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622553891] [2020-07-20 05:30:11,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771337283] [2020-07-20 05:30:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e8e93f3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:11,712 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e8e93f3 issued 3 check-sat command(s) [2020-07-20 05:30:11,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:11,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 05:30:11,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:30:11,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:11,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 05:30:11,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143189556] [2020-07-20 05:30:11,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:30:11,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:11,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:30:11,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:30:11,806 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-20 05:30:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:12,025 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-20 05:30:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 05:30:12,026 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-20 05:30:12,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:12,027 INFO L225 Difference]: With dead ends: 58 [2020-07-20 05:30:12,028 INFO L226 Difference]: Without dead ends: 34 [2020-07-20 05:30:12,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:30:12,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-20 05:30:12,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-20 05:30:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-20 05:30:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-20 05:30:12,039 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-20 05:30:12,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:12,039 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-20 05:30:12,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:30:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-20 05:30:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 05:30:12,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:12,042 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 05:30:12,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 05:30:12,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:12,257 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-20 05:30:12,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:12,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432024890] [2020-07-20 05:30:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:30:12,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432024890] [2020-07-20 05:30:12,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545791111] [2020-07-20 05:30:12,397 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1fd35eed No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2020-07-20 05:30:12,443 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1fd35eed issued 3 check-sat command(s) [2020-07-20 05:30:12,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 05:30:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:30:12,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:12,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-20 05:30:12,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231070937] [2020-07-20 05:30:12,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 05:30:12,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:12,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 05:30:12,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:30:12,487 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-20 05:30:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:12,662 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-20 05:30:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:30:12,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-20 05:30:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:12,666 INFO L225 Difference]: With dead ends: 54 [2020-07-20 05:30:12,667 INFO L226 Difference]: Without dead ends: 50 [2020-07-20 05:30:12,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:30:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-20 05:30:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-20 05:30:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-20 05:30:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-20 05:30:12,681 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-20 05:30:12,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:12,681 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-20 05:30:12,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 05:30:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-20 05:30:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-20 05:30:12,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:12,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:12,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:12,898 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-20 05:30:12,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:12,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309125611] [2020-07-20 05:30:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 05:30:12,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309125611] [2020-07-20 05:30:12,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350920244] [2020-07-20 05:30:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38a040e6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:13,027 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38a040e6 issued 3 check-sat command(s) [2020-07-20 05:30:13,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:13,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 05:30:13,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 05:30:13,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:13,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-20 05:30:13,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793500588] [2020-07-20 05:30:13,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 05:30:13,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:13,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 05:30:13,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:30:13,092 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-20 05:30:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:13,382 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-20 05:30:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 05:30:13,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-20 05:30:13,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:13,385 INFO L225 Difference]: With dead ends: 108 [2020-07-20 05:30:13,385 INFO L226 Difference]: Without dead ends: 66 [2020-07-20 05:30:13,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-07-20 05:30:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-20 05:30:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-20 05:30:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-20 05:30:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-20 05:30:13,403 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-20 05:30:13,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:13,403 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-20 05:30:13,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 05:30:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-20 05:30:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 05:30:13,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:13,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-20 05:30:13,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:13,626 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:13,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:13,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-20 05:30:13,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:13,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395588021] [2020-07-20 05:30:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 05:30:13,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395588021] [2020-07-20 05:30:13,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404184921] [2020-07-20 05:30:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a5ab8cc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:13,808 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a5ab8cc issued 3 check-sat command(s) [2020-07-20 05:30:13,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:13,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 05:30:13,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 05:30:13,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:13,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-20 05:30:13,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663449844] [2020-07-20 05:30:13,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 05:30:13,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:13,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 05:30:13,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-20 05:30:13,881 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-20 05:30:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:14,329 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-20 05:30:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 05:30:14,329 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-20 05:30:14,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:14,336 INFO L225 Difference]: With dead ends: 180 [2020-07-20 05:30:14,336 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 05:30:14,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2020-07-20 05:30:14,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 05:30:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-20 05:30:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-20 05:30:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-20 05:30:14,373 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-20 05:30:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:14,373 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-20 05:30:14,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 05:30:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-20 05:30:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 05:30:14,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:14,378 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2020-07-20 05:30:14,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:14,581 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:14,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:14,582 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-20 05:30:14,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:14,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920636894] [2020-07-20 05:30:14,583 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 05:30:14,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920636894] [2020-07-20 05:30:14,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573886362] [2020-07-20 05:30:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c923cc7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:14,849 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c923cc7 issued 3 check-sat command(s) [2020-07-20 05:30:14,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:14,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 05:30:14,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 05:30:14,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:14,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-20 05:30:14,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18078612] [2020-07-20 05:30:14,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 05:30:14,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:14,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 05:30:14,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 05:30:14,941 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-20 05:30:15,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:15,521 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-20 05:30:15,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 05:30:15,521 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-20 05:30:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:15,527 INFO L225 Difference]: With dead ends: 258 [2020-07-20 05:30:15,527 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 05:30:15,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2020-07-20 05:30:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 05:30:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-20 05:30:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-20 05:30:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-20 05:30:15,559 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-20 05:30:15,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:15,559 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-20 05:30:15,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 05:30:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-20 05:30:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-20 05:30:15,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:15,565 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 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] [2020-07-20 05:30:15,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 05:30:15,779 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:15,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:15,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1504181040, now seen corresponding path program 1 times [2020-07-20 05:30:15,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:15,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513767318] [2020-07-20 05:30:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 05:30:16,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513767318] [2020-07-20 05:30:16,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253697595] [2020-07-20 05:30:16,064 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7686a8fd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:16,135 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7686a8fd issued 3 check-sat command(s) [2020-07-20 05:30:16,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:16,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 05:30:16,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-20 05:30:16,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:16,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 05:30:16,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396407219] [2020-07-20 05:30:16,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 05:30:16,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:16,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 05:30:16,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-20 05:30:16,263 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 16 states. [2020-07-20 05:30:16,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:16,963 INFO L93 Difference]: Finished difference Result 243 states and 465 transitions. [2020-07-20 05:30:16,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 05:30:16,969 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 82 [2020-07-20 05:30:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:16,971 INFO L225 Difference]: With dead ends: 243 [2020-07-20 05:30:16,971 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 05:30:16,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2020-07-20 05:30:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 05:30:16,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2020-07-20 05:30:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-20 05:30:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-20 05:30:16,992 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 82 [2020-07-20 05:30:16,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:16,994 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-20 05:30:16,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 05:30:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-20 05:30:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 05:30:16,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:16,999 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:17,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:17,201 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash 2095197631, now seen corresponding path program 1 times [2020-07-20 05:30:17,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:17,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906387561] [2020-07-20 05:30:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 61 proven. 94 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2020-07-20 05:30:17,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906387561] [2020-07-20 05:30:17,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267453881] [2020-07-20 05:30:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@488898c4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:17,505 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@488898c4 issued 3 check-sat command(s) [2020-07-20 05:30:17,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:17,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 05:30:17,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 24 proven. 155 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-07-20 05:30:17,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:17,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2020-07-20 05:30:17,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500611606] [2020-07-20 05:30:17,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 05:30:17,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:17,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 05:30:17,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-20 05:30:17,645 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 17 states. [2020-07-20 05:30:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:18,336 INFO L93 Difference]: Finished difference Result 217 states and 375 transitions. [2020-07-20 05:30:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-20 05:30:18,336 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 123 [2020-07-20 05:30:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:18,340 INFO L225 Difference]: With dead ends: 217 [2020-07-20 05:30:18,340 INFO L226 Difference]: Without dead ends: 137 [2020-07-20 05:30:18,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=872, Unknown=0, NotChecked=0, Total=1056 [2020-07-20 05:30:18,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-20 05:30:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 117. [2020-07-20 05:30:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 05:30:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-07-20 05:30:18,366 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 123 [2020-07-20 05:30:18,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:18,367 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-07-20 05:30:18,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 05:30:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-07-20 05:30:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-07-20 05:30:18,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:18,371 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:18,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:18,585 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 466415905, now seen corresponding path program 1 times [2020-07-20 05:30:18,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:18,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664653314] [2020-07-20 05:30:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 165 proven. 262 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2020-07-20 05:30:19,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664653314] [2020-07-20 05:30:19,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982579974] [2020-07-20 05:30:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4afe31b8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:19,200 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4afe31b8 issued 3 check-sat command(s) [2020-07-20 05:30:19,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:19,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-20 05:30:19,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 77 proven. 418 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2020-07-20 05:30:19,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:19,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 18 [2020-07-20 05:30:19,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48142916] [2020-07-20 05:30:19,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 05:30:19,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:19,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 05:30:19,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-20 05:30:19,360 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 18 states. [2020-07-20 05:30:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:20,193 INFO L93 Difference]: Finished difference Result 263 states and 450 transitions. [2020-07-20 05:30:20,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 05:30:20,193 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 231 [2020-07-20 05:30:20,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:20,198 INFO L225 Difference]: With dead ends: 263 [2020-07-20 05:30:20,198 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 05:30:20,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=1111, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 05:30:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 05:30:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 148. [2020-07-20 05:30:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 05:30:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 227 transitions. [2020-07-20 05:30:20,222 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 227 transitions. Word has length 231 [2020-07-20 05:30:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:20,223 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 227 transitions. [2020-07-20 05:30:20,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 05:30:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 227 transitions. [2020-07-20 05:30:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-07-20 05:30:20,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:20,231 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 22, 22, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 9, 8, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:20,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 05:30:20,446 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:20,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2077138508, now seen corresponding path program 2 times [2020-07-20 05:30:20,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:20,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538991987] [2020-07-20 05:30:20,447 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 247 proven. 601 refuted. 0 times theorem prover too weak. 3206 trivial. 0 not checked. [2020-07-20 05:30:21,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538991987] [2020-07-20 05:30:21,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976932166] [2020-07-20 05:30:21,426 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ac060e7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:21,544 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ac060e7 issued 3 check-sat command(s) [2020-07-20 05:30:21,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:21,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 05:30:21,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 143 proven. 896 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2020-07-20 05:30:21,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:21,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 19 [2020-07-20 05:30:21,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955335720] [2020-07-20 05:30:21,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-20 05:30:21,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:21,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-20 05:30:21,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-20 05:30:21,837 INFO L87 Difference]: Start difference. First operand 148 states and 227 transitions. Second operand 19 states. [2020-07-20 05:30:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:22,795 INFO L93 Difference]: Finished difference Result 337 states and 597 transitions. [2020-07-20 05:30:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 05:30:22,796 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 381 [2020-07-20 05:30:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:22,803 INFO L225 Difference]: With dead ends: 337 [2020-07-20 05:30:22,803 INFO L226 Difference]: Without dead ends: 200 [2020-07-20 05:30:22,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=262, Invalid=1378, Unknown=0, NotChecked=0, Total=1640 [2020-07-20 05:30:22,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-20 05:30:22,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 176. [2020-07-20 05:30:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-20 05:30:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 275 transitions. [2020-07-20 05:30:22,831 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 275 transitions. Word has length 381 [2020-07-20 05:30:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:22,834 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 275 transitions. [2020-07-20 05:30:22,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-20 05:30:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 275 transitions. [2020-07-20 05:30:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2020-07-20 05:30:22,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:22,852 INFO L422 BasicCegarLoop]: trace histogram [45, 45, 42, 42, 36, 35, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 15, 13, 9, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:23,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:23,068 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:23,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:23,069 INFO L82 PathProgramCache]: Analyzing trace with hash 85364846, now seen corresponding path program 3 times [2020-07-20 05:30:23,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:23,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425294376] [2020-07-20 05:30:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10393 backedges. 445 proven. 1610 refuted. 0 times theorem prover too weak. 8338 trivial. 0 not checked. [2020-07-20 05:30:24,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425294376] [2020-07-20 05:30:24,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445287266] [2020-07-20 05:30:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a314e60 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:24,956 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a314e60 issued 3 check-sat command(s) [2020-07-20 05:30:24,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:24,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-20 05:30:24,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10393 backedges. 274 proven. 1689 refuted. 0 times theorem prover too weak. 8430 trivial. 0 not checked. [2020-07-20 05:30:25,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:25,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2020-07-20 05:30:25,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928664594] [2020-07-20 05:30:25,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 05:30:25,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:25,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 05:30:25,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-07-20 05:30:25,313 INFO L87 Difference]: Start difference. First operand 176 states and 275 transitions. Second operand 22 states. [2020-07-20 05:30:26,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:26,881 INFO L93 Difference]: Finished difference Result 424 states and 800 transitions. [2020-07-20 05:30:26,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-20 05:30:26,881 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 600 [2020-07-20 05:30:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:26,886 INFO L225 Difference]: With dead ends: 424 [2020-07-20 05:30:26,886 INFO L226 Difference]: Without dead ends: 253 [2020-07-20 05:30:26,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 771 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=445, Invalid=2635, Unknown=0, NotChecked=0, Total=3080 [2020-07-20 05:30:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-20 05:30:26,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2020-07-20 05:30:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-20 05:30:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 360 transitions. [2020-07-20 05:30:26,911 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 360 transitions. Word has length 600 [2020-07-20 05:30:26,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:26,911 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 360 transitions. [2020-07-20 05:30:26,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 05:30:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 360 transitions. [2020-07-20 05:30:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2020-07-20 05:30:26,923 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:26,924 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 54, 53, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 21, 20, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:27,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:27,163 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:27,165 INFO L82 PathProgramCache]: Analyzing trace with hash 928575163, now seen corresponding path program 4 times [2020-07-20 05:30:27,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:27,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752249684] [2020-07-20 05:30:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 24457 backedges. 3374 proven. 3532 refuted. 0 times theorem prover too weak. 17551 trivial. 0 not checked. [2020-07-20 05:30:30,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752249684] [2020-07-20 05:30:30,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442963042] [2020-07-20 05:30:30,946 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@712a52a9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:31,182 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@712a52a9 issued 3 check-sat command(s) [2020-07-20 05:30:31,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:31,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 05:30:31,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 24457 backedges. 711 proven. 2060 refuted. 0 times theorem prover too weak. 21686 trivial. 0 not checked. [2020-07-20 05:30:31,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:31,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13] total 33 [2020-07-20 05:30:31,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995765424] [2020-07-20 05:30:31,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-07-20 05:30:31,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:31,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-07-20 05:30:31,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2020-07-20 05:30:31,714 INFO L87 Difference]: Start difference. First operand 218 states and 360 transitions. Second operand 33 states. [2020-07-20 05:30:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:34,962 INFO L93 Difference]: Finished difference Result 560 states and 1074 transitions. [2020-07-20 05:30:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-07-20 05:30:34,963 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 912 [2020-07-20 05:30:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:34,969 INFO L225 Difference]: With dead ends: 560 [2020-07-20 05:30:34,970 INFO L226 Difference]: Without dead ends: 356 [2020-07-20 05:30:34,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2478 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=937, Invalid=7435, Unknown=0, NotChecked=0, Total=8372 [2020-07-20 05:30:34,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-20 05:30:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 271. [2020-07-20 05:30:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-07-20 05:30:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 424 transitions. [2020-07-20 05:30:34,998 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 424 transitions. Word has length 912 [2020-07-20 05:30:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:34,999 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 424 transitions. [2020-07-20 05:30:34,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-07-20 05:30:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 424 transitions. [2020-07-20 05:30:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1363 [2020-07-20 05:30:35,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:35,017 INFO L422 BasicCegarLoop]: trace histogram [101, 101, 98, 98, 81, 80, 50, 50, 50, 50, 50, 50, 50, 49, 49, 49, 49, 49, 49, 49, 31, 31, 21, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:35,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 05:30:35,232 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:35,233 INFO L82 PathProgramCache]: Analyzing trace with hash -640049128, now seen corresponding path program 5 times [2020-07-20 05:30:35,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:35,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231788203] [2020-07-20 05:30:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 55216 backedges. 1139 proven. 5624 refuted. 0 times theorem prover too weak. 48453 trivial. 0 not checked. [2020-07-20 05:30:41,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231788203] [2020-07-20 05:30:41,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965298577] [2020-07-20 05:30:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a48f1d3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:41,644 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a48f1d3 issued 3 check-sat command(s) [2020-07-20 05:30:41,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:41,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 05:30:41,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 55216 backedges. 1044 proven. 3195 refuted. 0 times theorem prover too weak. 50977 trivial. 0 not checked. [2020-07-20 05:30:42,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:42,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13] total 23 [2020-07-20 05:30:42,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820132194] [2020-07-20 05:30:42,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-20 05:30:42,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:42,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-20 05:30:42,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-07-20 05:30:42,998 INFO L87 Difference]: Start difference. First operand 271 states and 424 transitions. Second operand 23 states. [2020-07-20 05:30:44,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:44,508 INFO L93 Difference]: Finished difference Result 596 states and 969 transitions. [2020-07-20 05:30:44,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-20 05:30:44,511 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1362 [2020-07-20 05:30:44,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:44,517 INFO L225 Difference]: With dead ends: 596 [2020-07-20 05:30:44,517 INFO L226 Difference]: Without dead ends: 343 [2020-07-20 05:30:44,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1817 GetRequests, 1759 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=466, Invalid=3074, Unknown=0, NotChecked=0, Total=3540 [2020-07-20 05:30:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-20 05:30:44,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 271. [2020-07-20 05:30:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-07-20 05:30:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 410 transitions. [2020-07-20 05:30:44,542 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 410 transitions. Word has length 1362 [2020-07-20 05:30:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:44,543 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 410 transitions. [2020-07-20 05:30:44,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-20 05:30:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 410 transitions. [2020-07-20 05:30:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1608 [2020-07-20 05:30:44,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:44,568 INFO L422 BasicCegarLoop]: trace histogram [120, 120, 115, 115, 95, 95, 60, 60, 60, 60, 60, 60, 60, 57, 57, 57, 57, 57, 57, 57, 38, 35, 25, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:44,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 05:30:44,774 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:44,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:44,775 INFO L82 PathProgramCache]: Analyzing trace with hash 430883450, now seen corresponding path program 6 times [2020-07-20 05:30:44,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:44,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578132682] [2020-07-20 05:30:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 77174 backedges. 6258 proven. 7470 refuted. 0 times theorem prover too weak. 63446 trivial. 0 not checked. [2020-07-20 05:30:52,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578132682] [2020-07-20 05:30:52,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79614240] [2020-07-20 05:30:52,732 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5926f9e3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:30:53,208 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5926f9e3 issued 4 check-sat command(s) [2020-07-20 05:30:53,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:30:53,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 3569 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 05:30:53,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:30:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 77174 backedges. 3929 proven. 2594 refuted. 0 times theorem prover too weak. 70651 trivial. 0 not checked. [2020-07-20 05:30:54,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:30:54,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 15] total 32 [2020-07-20 05:30:54,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440811981] [2020-07-20 05:30:54,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-07-20 05:30:54,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:30:54,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-07-20 05:30:54,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2020-07-20 05:30:54,175 INFO L87 Difference]: Start difference. First operand 271 states and 410 transitions. Second operand 32 states. [2020-07-20 05:30:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:30:56,409 INFO L93 Difference]: Finished difference Result 575 states and 972 transitions. [2020-07-20 05:30:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-20 05:30:56,410 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 1607 [2020-07-20 05:30:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:30:56,419 INFO L225 Difference]: With dead ends: 575 [2020-07-20 05:30:56,419 INFO L226 Difference]: Without dead ends: 322 [2020-07-20 05:30:56,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2144 GetRequests, 2078 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=573, Invalid=3983, Unknown=0, NotChecked=0, Total=4556 [2020-07-20 05:30:56,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-20 05:30:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 277. [2020-07-20 05:30:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-07-20 05:30:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 413 transitions. [2020-07-20 05:30:56,451 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 413 transitions. Word has length 1607 [2020-07-20 05:30:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:30:56,454 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 413 transitions. [2020-07-20 05:30:56,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-07-20 05:30:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 413 transitions. [2020-07-20 05:30:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1431 [2020-07-20 05:30:56,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:30:56,479 INFO L422 BasicCegarLoop]: trace histogram [106, 106, 103, 103, 86, 83, 53, 53, 53, 53, 53, 53, 53, 51, 51, 51, 51, 51, 51, 51, 35, 30, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:30:56,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-20 05:30:56,694 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:30:56,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:30:56,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1784841291, now seen corresponding path program 7 times [2020-07-20 05:30:56,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:30:56,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118625030] [2020-07-20 05:30:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:30:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:30:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 60942 backedges. 1536 proven. 6664 refuted. 0 times theorem prover too weak. 52742 trivial. 0 not checked. [2020-07-20 05:31:01,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118625030] [2020-07-20 05:31:01,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033632870] [2020-07-20 05:31:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1ca38c31 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:02,108 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1ca38c31 issued 3 check-sat command(s) [2020-07-20 05:31:02,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:31:02,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 05:31:02,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:31:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 60942 backedges. 1624 proven. 3956 refuted. 0 times theorem prover too weak. 55362 trivial. 0 not checked. [2020-07-20 05:31:02,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:31:02,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 26 [2020-07-20 05:31:02,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716434239] [2020-07-20 05:31:02,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 05:31:02,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:31:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 05:31:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2020-07-20 05:31:02,978 INFO L87 Difference]: Start difference. First operand 277 states and 413 transitions. Second operand 26 states. [2020-07-20 05:31:04,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:31:04,784 INFO L93 Difference]: Finished difference Result 614 states and 1069 transitions. [2020-07-20 05:31:04,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-20 05:31:04,785 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1430 [2020-07-20 05:31:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:31:04,789 INFO L225 Difference]: With dead ends: 614 [2020-07-20 05:31:04,789 INFO L226 Difference]: Without dead ends: 293 [2020-07-20 05:31:04,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1910 GetRequests, 1846 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=520, Invalid=3770, Unknown=0, NotChecked=0, Total=4290 [2020-07-20 05:31:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-20 05:31:04,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-07-20 05:31:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-20 05:31:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 302 transitions. [2020-07-20 05:31:04,814 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 302 transitions. Word has length 1430 [2020-07-20 05:31:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:31:04,815 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 302 transitions. [2020-07-20 05:31:04,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 05:31:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 302 transitions. [2020-07-20 05:31:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2020-07-20 05:31:04,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:31:04,832 INFO L422 BasicCegarLoop]: trace histogram [102, 102, 101, 101, 82, 82, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 32, 31, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:31:05,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:05,086 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:31:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:31:05,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1927837140, now seen corresponding path program 8 times [2020-07-20 05:31:05,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:31:05,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481615560] [2020-07-20 05:31:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:31:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 57446 backedges. 2115 proven. 6529 refuted. 0 times theorem prover too weak. 48802 trivial. 0 not checked. [2020-07-20 05:31:09,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481615560] [2020-07-20 05:31:09,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576068375] [2020-07-20 05:31:09,965 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@23869176 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:10,327 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@23869176 issued 3 check-sat command(s) [2020-07-20 05:31:10,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:31:10,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 05:31:10,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:31:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 57446 backedges. 2232 proven. 3177 refuted. 0 times theorem prover too weak. 52037 trivial. 0 not checked. [2020-07-20 05:31:11,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:31:11,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 27 [2020-07-20 05:31:11,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185997274] [2020-07-20 05:31:11,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-20 05:31:11,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:31:11,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-20 05:31:11,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-07-20 05:31:11,141 INFO L87 Difference]: Start difference. First operand 243 states and 302 transitions. Second operand 27 states. [2020-07-20 05:31:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:31:12,997 INFO L93 Difference]: Finished difference Result 509 states and 648 transitions. [2020-07-20 05:31:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-20 05:31:12,997 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1389 [2020-07-20 05:31:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:31:13,002 INFO L225 Difference]: With dead ends: 509 [2020-07-20 05:31:13,002 INFO L226 Difference]: Without dead ends: 280 [2020-07-20 05:31:13,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1863 GetRequests, 1793 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=605, Invalid=4507, Unknown=0, NotChecked=0, Total=5112 [2020-07-20 05:31:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-07-20 05:31:13,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 229. [2020-07-20 05:31:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-20 05:31:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 273 transitions. [2020-07-20 05:31:13,022 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 273 transitions. Word has length 1389 [2020-07-20 05:31:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:31:13,024 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 273 transitions. [2020-07-20 05:31:13,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-20 05:31:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 273 transitions. [2020-07-20 05:31:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-07-20 05:31:13,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:31:13,036 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:31:13,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-07-20 05:31:13,251 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:31:13,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:31:13,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 9 times [2020-07-20 05:31:13,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:31:13,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764546373] [2020-07-20 05:31:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:31:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2639 proven. 3391 refuted. 0 times theorem prover too weak. 25606 trivial. 0 not checked. [2020-07-20 05:31:16,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764546373] [2020-07-20 05:31:16,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525930798] [2020-07-20 05:31:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16a92817 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:16,912 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16a92817 issued 4 check-sat command(s) [2020-07-20 05:31:16,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:31:16,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 05:31:16,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:31:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2426 proven. 749 refuted. 0 times theorem prover too weak. 28461 trivial. 0 not checked. [2020-07-20 05:31:17,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:31:17,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13] total 25 [2020-07-20 05:31:17,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007457440] [2020-07-20 05:31:17,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 05:31:17,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:31:17,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 05:31:17,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2020-07-20 05:31:17,443 INFO L87 Difference]: Start difference. First operand 229 states and 273 transitions. Second operand 25 states. [2020-07-20 05:31:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:31:18,863 INFO L93 Difference]: Finished difference Result 319 states and 380 transitions. [2020-07-20 05:31:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-20 05:31:18,863 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1035 [2020-07-20 05:31:18,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:31:18,868 INFO L225 Difference]: With dead ends: 319 [2020-07-20 05:31:18,868 INFO L226 Difference]: Without dead ends: 282 [2020-07-20 05:31:18,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1395 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=455, Invalid=3205, Unknown=0, NotChecked=0, Total=3660 [2020-07-20 05:31:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-20 05:31:18,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 237. [2020-07-20 05:31:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-20 05:31:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 275 transitions. [2020-07-20 05:31:18,884 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 275 transitions. Word has length 1035 [2020-07-20 05:31:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:31:18,885 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 275 transitions. [2020-07-20 05:31:18,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 05:31:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 275 transitions. [2020-07-20 05:31:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-07-20 05:31:18,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:31:18,899 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:31:19,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-07-20 05:31:19,112 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:31:19,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:31:19,113 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 10 times [2020-07-20 05:31:19,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:31:19,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106446433] [2020-07-20 05:31:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:31:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2020-07-20 05:31:28,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106446433] [2020-07-20 05:31:28,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405542887] [2020-07-20 05:31:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40e8dde6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:29,025 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40e8dde6 issued 4 check-sat command(s) [2020-07-20 05:31:29,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:31:29,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 711 conjunts are in the unsatisfiable core [2020-07-20 05:31:29,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:31:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 0 proven. 14453 refuted. 0 times theorem prover too weak. 29132 trivial. 0 not checked. [2020-07-20 05:31:35,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:31:35,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 68 [2020-07-20 05:31:35,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741438493] [2020-07-20 05:31:35,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-07-20 05:31:35,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:31:35,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-07-20 05:31:35,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2020-07-20 05:31:35,585 INFO L87 Difference]: Start difference. First operand 237 states and 275 transitions. Second operand 68 states. [2020-07-20 05:31:37,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:31:37,293 INFO L93 Difference]: Finished difference Result 249 states and 287 transitions. [2020-07-20 05:31:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-20 05:31:37,294 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 1212 [2020-07-20 05:31:37,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:31:37,298 INFO L225 Difference]: With dead ends: 249 [2020-07-20 05:31:37,298 INFO L226 Difference]: Without dead ends: 221 [2020-07-20 05:31:37,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1924 GetRequests, 1769 SyntacticMatches, 89 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2020-07-20 05:31:37,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-20 05:31:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-07-20 05:31:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-20 05:31:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2020-07-20 05:31:37,314 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 1212 [2020-07-20 05:31:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:31:37,315 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2020-07-20 05:31:37,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-07-20 05:31:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2020-07-20 05:31:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2020-07-20 05:31:37,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:31:37,332 INFO L422 BasicCegarLoop]: trace histogram [103, 103, 100, 100, 83, 81, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 33, 30, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:31:37,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:37,546 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:31:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:31:37,547 INFO L82 PathProgramCache]: Analyzing trace with hash 799342934, now seen corresponding path program 11 times [2020-07-20 05:31:37,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:31:37,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011787934] [2020-07-20 05:31:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e71a859 [2020-07-20 05:31:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:31:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 57455 backedges. 1941 proven. 6000 refuted. 0 times theorem prover too weak. 49514 trivial. 0 not checked. [2020-07-20 05:31:43,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011787934] [2020-07-20 05:31:43,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148673131] [2020-07-20 05:31:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@368ebb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:43,864 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@368ebb issued 3 check-sat command(s) [2020-07-20 05:31:43,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:31:43,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 24 conjunts are in the unsatisfiable core [2020-07-20 05:31:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:31:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 57455 backedges. 906 proven. 5037 refuted. 0 times theorem prover too weak. 51512 trivial. 0 not checked. [2020-07-20 05:31:44,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:31:44,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 26 [2020-07-20 05:31:44,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026725681] [2020-07-20 05:31:44,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 05:31:44,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:31:44,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 05:31:44,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2020-07-20 05:31:44,851 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand 26 states. [2020-07-20 05:31:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:31:46,032 INFO L93 Difference]: Finished difference Result 381 states and 426 transitions. [2020-07-20 05:31:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 05:31:46,033 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1389 [2020-07-20 05:31:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:31:46,034 INFO L225 Difference]: With dead ends: 381 [2020-07-20 05:31:46,034 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:31:46,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1847 GetRequests, 1793 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=380, Invalid=2700, Unknown=0, NotChecked=0, Total=3080 [2020-07-20 05:31:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:31:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:31:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:31:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:31:46,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1389 [2020-07-20 05:31:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:31:46,038 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:31:46,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 05:31:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:31:46,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:31:46,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:31:46,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:31:49,272 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 13 [2020-07-20 05:31:49,665 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 1 [2020-07-20 05:31:50,133 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-07-20 05:31:51,620 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 265 DAG size of output: 46 [2020-07-20 05:31:52,334 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 13 [2020-07-20 05:31:53,648 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 249 DAG size of output: 42 [2020-07-20 05:31:53,652 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-20 05:31:53,652 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:31:53,652 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:31:53,653 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 05:31:53,653 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:31:53,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:31:53,653 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-07-20 05:31:53,653 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-20 05:31:53,653 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= main_~x~0 10) (<= 10 main_~x~0)) [2020-07-20 05:31:53,654 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-07-20 05:31:53,654 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-20 05:31:53,655 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (not (<= |fibo2_#in~n| 1)) (= fibo2_~n |fibo2_#in~n|) (or (<= |fibo2_#in~n| 2) (not (<= |fibo2_#in~n| 3)))) [2020-07-20 05:31:53,655 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-20 05:31:53,655 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (not (<= |fibo2_#in~n| 4)))) (and (or (<= 10 |fibo2_#in~n|) (<= |fibo2_#in~n| 7) (and (<= 21 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 21))) (or .cse0 (<= |fibo2_#in~n| 3)) (or (<= 9 |fibo2_#in~n|) (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8)) (<= |fibo2_#in~n| 5)) (or .cse0 (and (<= |fibo2_#t~ret2| 1) (<= 1 |fibo2_#t~ret2|))) (< 1 fibo2_~n) (= fibo2_~n |fibo2_#in~n|) (or (not (<= 5 |fibo2_#in~n|)) (and (<= |fibo2_#t~ret2| 3) (<= 3 |fibo2_#t~ret2|)) (not (<= |fibo2_#in~n| 6))))) [2020-07-20 05:31:53,655 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-20 05:31:53,656 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (or (<= |fibo1_#in~n| 2) (not (<= |fibo1_#in~n| 4))) (not (<= |fibo1_#in~n| 1)) (= fibo1_~n |fibo1_#in~n|)) [2020-07-20 05:31:53,656 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-07-20 05:31:53,656 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (<= |fibo1_#in~n| 7))) (and (or (not (<= |fibo1_#in~n| 5)) (and (<= 1 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 1))) (< 1 fibo1_~n) (or (and (<= |fibo1_#t~ret0| 5) (<= 5 |fibo1_#t~ret0|) (<= |fibo1_#in~n| 6)) (not .cse0) (<= |fibo1_#in~n| 3)) (let ((.cse1 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 11 |fibo1_#in~n|) .cse1) (and (<= |fibo1_#in~n| 9) .cse1) (and (<= 34 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 34) .cse1))) (or (<= 9 |fibo1_#in~n|) (and (<= 13 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 13)) .cse0))) [2020-07-20 05:31:53,657 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-07-20 05:31:53,657 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-07-20 05:31:53,657 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-07-20 05:31:53,657 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-07-20 05:31:53,657 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-07-20 05:31:53,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:31:53 BoogieIcfgContainer [2020-07-20 05:31:53,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:31:53,665 INFO L168 Benchmark]: Toolchain (without parser) took 103553.11 ms. Allocated memory was 145.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.1 MB in the beginning and 890.1 MB in the end (delta: -788.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,665 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.78 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,666 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 ms. Allocated memory is still 145.8 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,667 INFO L168 Benchmark]: RCFGBuilder took 366.38 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 90.6 MB in the beginning and 169.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,667 INFO L168 Benchmark]: TraceAbstraction took 102916.72 ms. Allocated memory was 203.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 168.9 MB in the beginning and 890.1 MB in the end (delta: -721.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-20 05:31:53,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.78 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.44 ms. Allocated memory is still 145.8 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.38 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 90.6 MB in the beginning and 169.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 102916.72 ms. Allocated memory was 203.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 168.9 MB in the beginning and 890.1 MB in the end (delta: -721.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 95.4s, OverallIterations: 20, TraceHistogramMax: 120, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 899 SDtfs, 1722 SDslu, 11532 SDs, 0 SdLazy, 16960 SolverSat, 2076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16516 GetRequests, 15625 SyntacticMatches, 89 SemanticMatches, 802 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11068 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 526 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1484 PreInvPairs, 2709 NumberOfFragments, 189 HoareAnnotationTreeSize, 1484 FomulaSimplifications, 152663 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 11 FomulaSimplificationsInter, 250318 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 57.5s InterpolantComputationTime, 23905 NumberOfCodeBlocks, 21901 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 23867 ConstructedInterpolants, 0 QuantifiedInterpolants, 42471729 SizeOfPredicates, 132 NumberOfNonLiveVariables, 23216 ConjunctsInSsa, 973 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 753911/848690 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...