/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --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 01:12:34,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:12:34,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:12:34,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:12:34,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:12:34,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:12:34,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:12:34,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:12:34,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:12:34,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:12:34,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:12:34,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:12:34,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:12:34,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:12:34,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:12:34,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:12:34,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:12:34,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:12:34,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:12:34,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:12:34,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:12:34,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:12:34,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:12:34,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:12:34,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:12:34,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:12:34,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:12:34,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:12:34,906 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 01:12:34,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:12:34,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:12:34,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:12:34,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:12:34,929 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:12:34,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:12:34,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:12:34,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:12:34,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:12:34,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:12:34,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:12:34,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:12:34,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:12:34,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:12:34,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:12:34,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:12:34,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:12:34,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:12:34,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:12:34,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:12:34,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:12:34,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:12:34,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:12:34,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:12:34,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:12:34,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:12:34,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:12:34,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:12:34,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:12:34,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:12:35,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:12:35,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:12:35,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:12:35,287 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:12:35,288 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:12:35,289 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-20 01:12:35,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a0a58ec/52f4a9f6836d4867b442612db176087c/FLAG4e946d77f [2020-07-20 01:12:35,787 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:12:35,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-07-20 01:12:35,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a0a58ec/52f4a9f6836d4867b442612db176087c/FLAG4e946d77f [2020-07-20 01:12:36,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a0a58ec/52f4a9f6836d4867b442612db176087c [2020-07-20 01:12:36,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:12:36,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:12:36,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:12:36,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:12:36,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:12:36,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d352da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36, skipping insertion in model container [2020-07-20 01:12:36,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:12:36,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:12:36,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:12:36,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:12:36,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:12:36,483 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:12:36,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36 WrapperNode [2020-07-20 01:12:36,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:12:36,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:12:36,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:12:36,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:12:36,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (1/1) ... [2020-07-20 01:12:36,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:12:36,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:12:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:12:36,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:12:36,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (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 01:12:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:12:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:12:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-20 01:12:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-20 01:12:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:12:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:12:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:12:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-20 01:12:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-20 01:12:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:12:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:12:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:12:36,866 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:12:36,867 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 01:12:36,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:12:36 BoogieIcfgContainer [2020-07-20 01:12:36,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:12:36,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:12:36,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:12:36,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:12:36,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:12:36" (1/3) ... [2020-07-20 01:12:36,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c599c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:12:36, skipping insertion in model container [2020-07-20 01:12:36,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:12:36" (2/3) ... [2020-07-20 01:12:36,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c599c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:12:36, skipping insertion in model container [2020-07-20 01:12:36,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:12:36" (3/3) ... [2020-07-20 01:12:36,879 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-07-20 01:12:36,889 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:12:36,897 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:12:36,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:12:36,977 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:12:36,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:12:36,977 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:12:36,978 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:12:36,978 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:12:36,978 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:12:36,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:12:36,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:12:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-20 01:12:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-20 01:12:37,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:37,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:37,024 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:37,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:37,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-20 01:12:37,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:37,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420543758] [2020-07-20 01:12:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,272 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 01:12:37,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420543758] [2020-07-20 01:12:37,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:12:37,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:12:37,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105153469] [2020-07-20 01:12:37,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:12:37,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:37,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:12:37,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:12:37,293 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-20 01:12:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:37,418 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-20 01:12:37,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:12:37,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-20 01:12:37,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:37,430 INFO L225 Difference]: With dead ends: 44 [2020-07-20 01:12:37,430 INFO L226 Difference]: Without dead ends: 30 [2020-07-20 01:12:37,434 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 01:12:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-20 01:12:37,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-20 01:12:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-20 01:12:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-20 01:12:37,478 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-20 01:12:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:37,479 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-20 01:12:37,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:12:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-20 01:12:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-20 01:12:37,481 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:37,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:37,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:12:37,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:37,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-20 01:12:37,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:37,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064616208] [2020-07-20 01:12:37,484 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,547 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 01:12:37,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064616208] [2020-07-20 01:12:37,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:12:37,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:12:37,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698803960] [2020-07-20 01:12:37,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:12:37,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:37,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:12:37,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:12:37,552 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-20 01:12:37,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:37,615 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-20 01:12:37,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:12:37,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-20 01:12:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:37,618 INFO L225 Difference]: With dead ends: 36 [2020-07-20 01:12:37,618 INFO L226 Difference]: Without dead ends: 32 [2020-07-20 01:12:37,620 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 01:12:37,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-20 01:12:37,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-20 01:12:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-20 01:12:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-20 01:12:37,629 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-20 01:12:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:37,630 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-20 01:12:37,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:12:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-20 01:12:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 01:12:37,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:37,632 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 01:12:37,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:12:37,633 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:37,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:37,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-20 01:12:37,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:37,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036931425] [2020-07-20 01:12:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:12:37,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036931425] [2020-07-20 01:12:37,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225942561] [2020-07-20 01:12:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eafb76e 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 01:12:37,917 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eafb76e issued 3 check-sat command(s) [2020-07-20 01:12:37,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:37,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:12:37,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:38,018 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 01:12:38,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:38,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 01:12:38,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020919253] [2020-07-20 01:12:38,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:12:38,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:38,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:12:38,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:12:38,022 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-20 01:12:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:38,226 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-20 01:12:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:12:38,227 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-20 01:12:38,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:38,229 INFO L225 Difference]: With dead ends: 58 [2020-07-20 01:12:38,229 INFO L226 Difference]: Without dead ends: 34 [2020-07-20 01:12:38,230 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 01:12:38,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-20 01:12:38,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-20 01:12:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-20 01:12:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-20 01:12:38,239 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-20 01:12:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:38,240 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-20 01:12:38,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:12:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-20 01:12:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 01:12:38,242 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:38,242 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 01:12:38,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 01:12:38,446 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:38,447 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-20 01:12:38,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:38,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398084748] [2020-07-20 01:12:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:38,540 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 01:12:38,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398084748] [2020-07-20 01:12:38,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108138350] [2020-07-20 01:12:38,541 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@58f548e2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:38,570 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@58f548e2 issued 3 check-sat command(s) [2020-07-20 01:12:38,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:38,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:12:38,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:38,616 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 01:12:38,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:38,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-20 01:12:38,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444626048] [2020-07-20 01:12:38,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:12:38,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:12:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:12:38,618 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-20 01:12:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:38,832 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-20 01:12:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:12:38,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-20 01:12:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:38,837 INFO L225 Difference]: With dead ends: 54 [2020-07-20 01:12:38,837 INFO L226 Difference]: Without dead ends: 50 [2020-07-20 01:12:38,838 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 01:12:38,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-20 01:12:38,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-20 01:12:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-20 01:12:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-20 01:12:38,851 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-20 01:12:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:38,852 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-20 01:12:38,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:12:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-20 01:12:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-20 01:12:38,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:38,854 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 01:12:39,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:39,069 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:39,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:39,070 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-20 01:12:39,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:39,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694530741] [2020-07-20 01:12:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:12:39,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694530741] [2020-07-20 01:12:39,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663531538] [2020-07-20 01:12:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43313722 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 01:12:39,192 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43313722 issued 3 check-sat command(s) [2020-07-20 01:12:39,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:39,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:12:39,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:39,272 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 01:12:39,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:39,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-20 01:12:39,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876903388] [2020-07-20 01:12:39,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:12:39,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:39,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:12:39,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:12:39,276 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-20 01:12:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:39,570 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-20 01:12:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:12:39,571 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-20 01:12:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:39,578 INFO L225 Difference]: With dead ends: 108 [2020-07-20 01:12:39,578 INFO L226 Difference]: Without dead ends: 66 [2020-07-20 01:12:39,582 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 01:12:39,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-20 01:12:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-20 01:12:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-20 01:12:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-20 01:12:39,599 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-20 01:12:39,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:39,600 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-20 01:12:39,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:12:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-20 01:12:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 01:12:39,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:39,602 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 01:12:39,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:39,816 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:39,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:39,817 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-20 01:12:39,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:39,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664842213] [2020-07-20 01:12:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:39,991 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 01:12:39,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664842213] [2020-07-20 01:12:39,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902561330] [2020-07-20 01:12:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@524b9bd3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:40,024 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@524b9bd3 issued 3 check-sat command(s) [2020-07-20 01:12:40,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:40,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:12:40,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:40,099 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 01:12:40,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:40,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-20 01:12:40,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161710266] [2020-07-20 01:12:40,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:12:40,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:40,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:12:40,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:12:40,102 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-20 01:12:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:40,548 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-20 01:12:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:12:40,548 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-20 01:12:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:40,551 INFO L225 Difference]: With dead ends: 180 [2020-07-20 01:12:40,552 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 01:12:40,554 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 01:12:40,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 01:12:40,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-20 01:12:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-20 01:12:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-20 01:12:40,588 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-20 01:12:40,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:40,589 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-20 01:12:40,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:12:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-20 01:12:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 01:12:40,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:40,599 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 01:12:40,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:40,801 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:40,802 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-20 01:12:40,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:40,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113167631] [2020-07-20 01:12:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 01:12:41,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113167631] [2020-07-20 01:12:41,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119558931] [2020-07-20 01:12:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4691d163 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 01:12:41,044 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4691d163 issued 3 check-sat command(s) [2020-07-20 01:12:41,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:41,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 01:12:41,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:41,149 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 01:12:41,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:41,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-20 01:12:41,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462611436] [2020-07-20 01:12:41,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 01:12:41,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:41,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 01:12:41,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:12:41,152 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-20 01:12:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:41,669 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-20 01:12:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 01:12:41,669 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-20 01:12:41,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:41,676 INFO L225 Difference]: With dead ends: 258 [2020-07-20 01:12:41,676 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 01:12:41,678 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 01:12:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 01:12:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-20 01:12:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-20 01:12:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-20 01:12:41,731 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-20 01:12:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:41,731 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-20 01:12:41,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 01:12:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-20 01:12:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-20 01:12:41,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:41,740 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 01:12:41,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 01:12:41,956 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:41,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1504181040, now seen corresponding path program 1 times [2020-07-20 01:12:41,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:41,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243303121] [2020-07-20 01:12:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:42,252 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 01:12:42,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243303121] [2020-07-20 01:12:42,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794684208] [2020-07-20 01:12:42,254 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5fb75935 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:42,317 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5fb75935 issued 3 check-sat command(s) [2020-07-20 01:12:42,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:12:42,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:42,433 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 01:12:42,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:42,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 01:12:42,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529110567] [2020-07-20 01:12:42,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 01:12:42,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:42,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 01:12:42,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:12:42,438 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 16 states. [2020-07-20 01:12:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:43,016 INFO L93 Difference]: Finished difference Result 243 states and 465 transitions. [2020-07-20 01:12:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 01:12:43,017 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 82 [2020-07-20 01:12:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:43,019 INFO L225 Difference]: With dead ends: 243 [2020-07-20 01:12:43,019 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 01:12:43,021 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 01:12:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 01:12:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2020-07-20 01:12:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-20 01:12:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-20 01:12:43,033 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 82 [2020-07-20 01:12:43,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:43,034 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-20 01:12:43,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 01:12:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-20 01:12:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 01:12:43,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:43,036 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 01:12:43,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:43,248 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:43,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:43,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2095197631, now seen corresponding path program 1 times [2020-07-20 01:12:43,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:43,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129027240] [2020-07-20 01:12:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:43,538 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 01:12:43,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129027240] [2020-07-20 01:12:43,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794182080] [2020-07-20 01:12:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b462a6f 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 01:12:43,616 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b462a6f issued 3 check-sat command(s) [2020-07-20 01:12:43,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:43,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 01:12:43,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:43,752 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 01:12:43,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:43,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2020-07-20 01:12:43,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796867328] [2020-07-20 01:12:43,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 01:12:43,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:43,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 01:12:43,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:12:43,755 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 17 states. [2020-07-20 01:12:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:44,390 INFO L93 Difference]: Finished difference Result 217 states and 375 transitions. [2020-07-20 01:12:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-20 01:12:44,391 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 123 [2020-07-20 01:12:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:44,393 INFO L225 Difference]: With dead ends: 217 [2020-07-20 01:12:44,393 INFO L226 Difference]: Without dead ends: 137 [2020-07-20 01:12:44,395 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 01:12:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-20 01:12:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 117. [2020-07-20 01:12:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 01:12:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-07-20 01:12:44,409 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 123 [2020-07-20 01:12:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:44,409 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-07-20 01:12:44,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 01:12:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-07-20 01:12:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-07-20 01:12:44,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:44,413 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 01:12:44,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:44,630 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:44,631 INFO L82 PathProgramCache]: Analyzing trace with hash 466415905, now seen corresponding path program 1 times [2020-07-20 01:12:44,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:44,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149580722] [2020-07-20 01:12:44,633 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:45,157 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 01:12:45,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149580722] [2020-07-20 01:12:45,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620991615] [2020-07-20 01:12:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a80ff33 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:45,269 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a80ff33 issued 3 check-sat command(s) [2020-07-20 01:12:45,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:45,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-20 01:12:45,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:45,476 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 01:12:45,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:45,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 18 [2020-07-20 01:12:45,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90217951] [2020-07-20 01:12:45,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 01:12:45,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:45,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 01:12:45,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:12:45,479 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 18 states. [2020-07-20 01:12:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:46,214 INFO L93 Difference]: Finished difference Result 263 states and 450 transitions. [2020-07-20 01:12:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:12:46,215 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 231 [2020-07-20 01:12:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:46,221 INFO L225 Difference]: With dead ends: 263 [2020-07-20 01:12:46,221 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 01:12:46,225 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 01:12:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 01:12:46,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 148. [2020-07-20 01:12:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 01:12:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 227 transitions. [2020-07-20 01:12:46,261 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 227 transitions. Word has length 231 [2020-07-20 01:12:46,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:46,262 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 227 transitions. [2020-07-20 01:12:46,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 01:12:46,262 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 227 transitions. [2020-07-20 01:12:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-07-20 01:12:46,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:46,280 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 25, 25, 21, 21, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 9, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:46,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:12:46,494 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:46,496 INFO L82 PathProgramCache]: Analyzing trace with hash -80201483, now seen corresponding path program 2 times [2020-07-20 01:12:46,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:46,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243626312] [2020-07-20 01:12:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3760 backedges. 243 proven. 571 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2020-07-20 01:12:47,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243626312] [2020-07-20 01:12:47,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40803870] [2020-07-20 01:12:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47c116b3 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 01:12:47,622 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47c116b3 issued 3 check-sat command(s) [2020-07-20 01:12:47,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:47,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 01:12:47,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3760 backedges. 139 proven. 856 refuted. 0 times theorem prover too weak. 2765 trivial. 0 not checked. [2020-07-20 01:12:47,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:47,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 19 [2020-07-20 01:12:47,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208242679] [2020-07-20 01:12:47,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-20 01:12:47,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:47,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-20 01:12:47,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:12:47,879 INFO L87 Difference]: Start difference. First operand 148 states and 227 transitions. Second operand 19 states. [2020-07-20 01:12:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:48,778 INFO L93 Difference]: Finished difference Result 337 states and 597 transitions. [2020-07-20 01:12:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 01:12:48,778 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 367 [2020-07-20 01:12:48,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:48,783 INFO L225 Difference]: With dead ends: 337 [2020-07-20 01:12:48,783 INFO L226 Difference]: Without dead ends: 200 [2020-07-20 01:12:48,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 470 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 01:12:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-20 01:12:48,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 176. [2020-07-20 01:12:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-20 01:12:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 275 transitions. [2020-07-20 01:12:48,805 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 275 transitions. Word has length 367 [2020-07-20 01:12:48,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:48,807 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 275 transitions. [2020-07-20 01:12:48,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-20 01:12:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 275 transitions. [2020-07-20 01:12:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-07-20 01:12:48,818 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:48,819 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 39, 39, 34, 32, 21, 21, 21, 21, 21, 21, 21, 19, 19, 19, 19, 19, 19, 19, 15, 11, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:49,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:49,032 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:49,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:49,033 INFO L82 PathProgramCache]: Analyzing trace with hash -495618503, now seen corresponding path program 3 times [2020-07-20 01:12:49,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:49,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311540414] [2020-07-20 01:12:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8989 backedges. 425 proven. 1461 refuted. 0 times theorem prover too weak. 7103 trivial. 0 not checked. [2020-07-20 01:12:51,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311540414] [2020-07-20 01:12:51,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299344256] [2020-07-20 01:12:51,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ca54d74 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:51,230 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ca54d74 issued 3 check-sat command(s) [2020-07-20 01:12:51,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:51,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-20 01:12:51,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8989 backedges. 254 proven. 1547 refuted. 0 times theorem prover too weak. 7188 trivial. 0 not checked. [2020-07-20 01:12:51,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:51,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2020-07-20 01:12:51,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432797232] [2020-07-20 01:12:51,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:12:51,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:51,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:12:51,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:12:51,545 INFO L87 Difference]: Start difference. First operand 176 states and 275 transitions. Second operand 22 states. [2020-07-20 01:12:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:53,046 INFO L93 Difference]: Finished difference Result 424 states and 800 transitions. [2020-07-20 01:12:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-20 01:12:53,047 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 559 [2020-07-20 01:12:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:53,053 INFO L225 Difference]: With dead ends: 424 [2020-07-20 01:12:53,054 INFO L226 Difference]: Without dead ends: 253 [2020-07-20 01:12:53,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 718 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 01:12:53,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-20 01:12:53,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2020-07-20 01:12:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-20 01:12:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 360 transitions. [2020-07-20 01:12:53,086 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 360 transitions. Word has length 559 [2020-07-20 01:12:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:53,087 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 360 transitions. [2020-07-20 01:12:53,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:12:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 360 transitions. [2020-07-20 01:12:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 845 [2020-07-20 01:12:53,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:53,117 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 60, 60, 50, 49, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 30, 20, 18, 13, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:53,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:12:53,332 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:53,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1928846884, now seen corresponding path program 4 times [2020-07-20 01:12:53,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:53,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040377355] [2020-07-20 01:12:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:12:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20893 backedges. 3107 proven. 2983 refuted. 0 times theorem prover too weak. 14803 trivial. 0 not checked. [2020-07-20 01:12:57,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040377355] [2020-07-20 01:12:57,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934341686] [2020-07-20 01:12:57,240 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7138b3f5 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 01:12:57,469 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7138b3f5 issued 3 check-sat command(s) [2020-07-20 01:12:57,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:12:57,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 01:12:57,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:12:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20893 backedges. 700 proven. 1847 refuted. 0 times theorem prover too weak. 18346 trivial. 0 not checked. [2020-07-20 01:12:57,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:12:57,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 22 [2020-07-20 01:12:57,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760067101] [2020-07-20 01:12:57,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:12:57,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:12:57,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:12:57,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:12:57,988 INFO L87 Difference]: Start difference. First operand 218 states and 360 transitions. Second operand 22 states. [2020-07-20 01:12:59,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:12:59,515 INFO L93 Difference]: Finished difference Result 527 states and 957 transitions. [2020-07-20 01:12:59,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-20 01:12:59,516 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 844 [2020-07-20 01:12:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:12:59,525 INFO L225 Difference]: With dead ends: 527 [2020-07-20 01:12:59,525 INFO L226 Difference]: Without dead ends: 323 [2020-07-20 01:12:59,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1154 GetRequests, 1101 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=412, Invalid=2558, Unknown=0, NotChecked=0, Total=2970 [2020-07-20 01:12:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-07-20 01:12:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 269. [2020-07-20 01:12:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-20 01:12:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 438 transitions. [2020-07-20 01:12:59,568 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 438 transitions. Word has length 844 [2020-07-20 01:12:59,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:12:59,569 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 438 transitions. [2020-07-20 01:12:59,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:12:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 438 transitions. [2020-07-20 01:12:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1853 [2020-07-20 01:12:59,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:12:59,601 INFO L422 BasicCegarLoop]: trace histogram [138, 138, 133, 133, 112, 107, 69, 69, 69, 69, 69, 69, 69, 66, 66, 66, 66, 66, 66, 66, 46, 38, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:12:59,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:12:59,816 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:12:59,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:12:59,816 INFO L82 PathProgramCache]: Analyzing trace with hash 607926014, now seen corresponding path program 5 times [2020-07-20 01:12:59,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:12:59,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462242654] [2020-07-20 01:12:59,817 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:12:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 102775 backedges. 1556 proven. 9251 refuted. 0 times theorem prover too weak. 91968 trivial. 0 not checked. [2020-07-20 01:13:08,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462242654] [2020-07-20 01:13:08,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217511838] [2020-07-20 01:13:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1272f8ce No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:13:09,440 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1272f8ce issued 3 check-sat command(s) [2020-07-20 01:13:09,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:13:09,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:13:09,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:13:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 102775 backedges. 1644 proven. 5676 refuted. 0 times theorem prover too weak. 95455 trivial. 0 not checked. [2020-07-20 01:13:10,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:13:10,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 26 [2020-07-20 01:13:10,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178744148] [2020-07-20 01:13:10,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 01:13:10,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:13:10,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 01:13:10,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:13:10,804 INFO L87 Difference]: Start difference. First operand 269 states and 438 transitions. Second operand 26 states. [2020-07-20 01:13:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:13:12,637 INFO L93 Difference]: Finished difference Result 614 states and 1161 transitions. [2020-07-20 01:13:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-20 01:13:12,638 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1852 [2020-07-20 01:13:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:13:12,647 INFO L225 Difference]: With dead ends: 614 [2020-07-20 01:13:12,648 INFO L226 Difference]: Without dead ends: 308 [2020-07-20 01:13:12,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2456 GetRequests, 2392 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 01:13:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-20 01:13:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 259. [2020-07-20 01:13:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-07-20 01:13:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 381 transitions. [2020-07-20 01:13:12,677 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 381 transitions. Word has length 1852 [2020-07-20 01:13:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:13:12,678 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 381 transitions. [2020-07-20 01:13:12,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 01:13:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 381 transitions. [2020-07-20 01:13:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2020-07-20 01:13:12,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:13:12,694 INFO L422 BasicCegarLoop]: trace histogram [98, 98, 95, 95, 78, 78, 49, 49, 49, 49, 49, 49, 49, 47, 47, 47, 47, 47, 47, 47, 31, 29, 20, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:13:12,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 01:13:12,908 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:13:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:13:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash 190824083, now seen corresponding path program 6 times [2020-07-20 01:13:12,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:13:12,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211243344] [2020-07-20 01:13:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:13:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 51906 backedges. 2101 proven. 6084 refuted. 0 times theorem prover too weak. 43721 trivial. 0 not checked. [2020-07-20 01:13:18,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211243344] [2020-07-20 01:13:18,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333407497] [2020-07-20 01:13:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5deb4a55 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 01:13:18,598 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5deb4a55 issued 3 check-sat command(s) [2020-07-20 01:13:18,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:13:18,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:13:18,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:13:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 51906 backedges. 2218 proven. 2913 refuted. 0 times theorem prover too weak. 46775 trivial. 0 not checked. [2020-07-20 01:13:19,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:13:19,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 27 [2020-07-20 01:13:19,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618042928] [2020-07-20 01:13:19,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-20 01:13:19,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:13:19,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-20 01:13:19,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:13:19,868 INFO L87 Difference]: Start difference. First operand 259 states and 381 transitions. Second operand 27 states. [2020-07-20 01:13:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:13:21,855 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-07-20 01:13:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-20 01:13:21,855 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1321 [2020-07-20 01:13:21,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:13:21,861 INFO L225 Difference]: With dead ends: 586 [2020-07-20 01:13:21,861 INFO L226 Difference]: Without dead ends: 314 [2020-07-20 01:13:21,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1775 GetRequests, 1705 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 01:13:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-07-20 01:13:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 260. [2020-07-20 01:13:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-20 01:13:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 370 transitions. [2020-07-20 01:13:21,891 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 370 transitions. Word has length 1321 [2020-07-20 01:13:21,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:13:21,894 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 370 transitions. [2020-07-20 01:13:21,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-20 01:13:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 370 transitions. [2020-07-20 01:13:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2020-07-20 01:13:21,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:13:21,907 INFO L422 BasicCegarLoop]: trace histogram [80, 80, 75, 75, 63, 62, 40, 40, 40, 40, 40, 40, 40, 37, 37, 37, 37, 37, 37, 37, 26, 22, 17, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:13:22,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-20 01:13:22,122 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:13:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:13:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2035244028, now seen corresponding path program 7 times [2020-07-20 01:13:22,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:13:22,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059712131] [2020-07-20 01:13:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:13:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 33368 backedges. 2581 proven. 4439 refuted. 0 times theorem prover too weak. 26348 trivial. 0 not checked. [2020-07-20 01:13:25,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059712131] [2020-07-20 01:13:25,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310729741] [2020-07-20 01:13:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3795dbfd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:13:26,158 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3795dbfd issued 4 check-sat command(s) [2020-07-20 01:13:26,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:13:26,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-20 01:13:26,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:13:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 33368 backedges. 1598 proven. 1247 refuted. 0 times theorem prover too weak. 30523 trivial. 0 not checked. [2020-07-20 01:13:26,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:13:26,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 12] total 30 [2020-07-20 01:13:26,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204403969] [2020-07-20 01:13:26,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-20 01:13:26,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:13:26,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-20 01:13:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2020-07-20 01:13:26,761 INFO L87 Difference]: Start difference. First operand 260 states and 370 transitions. Second operand 30 states. [2020-07-20 01:13:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:13:29,894 INFO L93 Difference]: Finished difference Result 585 states and 892 transitions. [2020-07-20 01:13:29,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-07-20 01:13:29,894 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 1062 [2020-07-20 01:13:29,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:13:29,900 INFO L225 Difference]: With dead ends: 585 [2020-07-20 01:13:29,900 INFO L226 Difference]: Without dead ends: 347 [2020-07-20 01:13:29,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1460 GetRequests, 1371 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=964, Invalid=7226, Unknown=0, NotChecked=0, Total=8190 [2020-07-20 01:13:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-07-20 01:13:29,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 257. [2020-07-20 01:13:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-07-20 01:13:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 363 transitions. [2020-07-20 01:13:29,929 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 363 transitions. Word has length 1062 [2020-07-20 01:13:29,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:13:29,930 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 363 transitions. [2020-07-20 01:13:29,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-20 01:13:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 363 transitions. [2020-07-20 01:13:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1608 [2020-07-20 01:13:29,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:13:29,955 INFO L422 BasicCegarLoop]: trace histogram [118, 118, 117, 117, 96, 94, 59, 59, 59, 59, 59, 59, 59, 58, 58, 58, 58, 58, 58, 58, 37, 36, 24, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:13:30,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:13:30,171 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:13:30,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:13:30,171 INFO L82 PathProgramCache]: Analyzing trace with hash 865323038, now seen corresponding path program 8 times [2020-07-20 01:13:30,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:13:30,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94642574] [2020-07-20 01:13:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:13:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 77143 backedges. 5378 proven. 8167 refuted. 0 times theorem prover too weak. 63598 trivial. 0 not checked. [2020-07-20 01:13:36,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94642574] [2020-07-20 01:13:36,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389391157] [2020-07-20 01:13:36,597 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d51fa9e 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 01:13:37,119 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d51fa9e issued 4 check-sat command(s) [2020-07-20 01:13:37,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:13:37,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 3569 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:13:37,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:13:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 77143 backedges. 3726 proven. 2797 refuted. 0 times theorem prover too weak. 70620 trivial. 0 not checked. [2020-07-20 01:13:38,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:13:38,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 15] total 40 [2020-07-20 01:13:38,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656895776] [2020-07-20 01:13:38,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-20 01:13:38,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:13:38,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-20 01:13:38,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1380, Unknown=0, NotChecked=0, Total=1560 [2020-07-20 01:13:38,396 INFO L87 Difference]: Start difference. First operand 257 states and 363 transitions. Second operand 40 states. [2020-07-20 01:13:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:13:41,774 INFO L93 Difference]: Finished difference Result 628 states and 986 transitions. [2020-07-20 01:13:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-07-20 01:13:41,774 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 1607 [2020-07-20 01:13:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:13:41,780 INFO L225 Difference]: With dead ends: 628 [2020-07-20 01:13:41,780 INFO L226 Difference]: Without dead ends: 386 [2020-07-20 01:13:41,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2186 GetRequests, 2070 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4712 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1312, Invalid=12494, Unknown=0, NotChecked=0, Total=13806 [2020-07-20 01:13:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-20 01:13:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 283. [2020-07-20 01:13:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-07-20 01:13:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 389 transitions. [2020-07-20 01:13:41,818 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 389 transitions. Word has length 1607 [2020-07-20 01:13:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:13:41,819 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 389 transitions. [2020-07-20 01:13:41,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-20 01:13:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2020-07-20 01:13:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-07-20 01:13:41,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:13:41,835 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 01:13:42,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-07-20 01:13:42,050 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:13:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:13:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 9 times [2020-07-20 01:13:42,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:13:42,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397966674] [2020-07-20 01:13:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:13:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:13:51,327 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 01:13:51,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397966674] [2020-07-20 01:13:51,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137548251] [2020-07-20 01:13:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e81178c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:13:51,682 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e81178c issued 4 check-sat command(s) [2020-07-20 01:13:51,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:13:51,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 711 conjunts are in the unsatisfiable core [2020-07-20 01:13:51,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:13:58,024 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 01:13:58,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:13:58,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 68 [2020-07-20 01:13:58,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094777355] [2020-07-20 01:13:58,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-07-20 01:13:58,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:13:58,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-07-20 01:13:58,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2020-07-20 01:13:58,028 INFO L87 Difference]: Start difference. First operand 283 states and 389 transitions. Second operand 68 states. [2020-07-20 01:13:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:13:59,667 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2020-07-20 01:13:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-20 01:13:59,668 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 1212 [2020-07-20 01:13:59,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:13:59,673 INFO L225 Difference]: With dead ends: 292 [2020-07-20 01:13:59,674 INFO L226 Difference]: Without dead ends: 285 [2020-07-20 01:13:59,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1924 GetRequests, 1769 SyntacticMatches, 89 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=165, Invalid=4391, Unknown=0, NotChecked=0, Total=4556 [2020-07-20 01:13:59,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-20 01:13:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2020-07-20 01:13:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-07-20 01:13:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 383 transitions. [2020-07-20 01:13:59,695 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 383 transitions. Word has length 1212 [2020-07-20 01:13:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:13:59,696 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 383 transitions. [2020-07-20 01:13:59,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-07-20 01:13:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 383 transitions. [2020-07-20 01:13:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-07-20 01:13:59,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:13:59,706 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 01:13:59,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-07-20 01:13:59,920 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:13:59,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:13:59,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 10 times [2020-07-20 01:13:59,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:13:59,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750706437] [2020-07-20 01:13:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:14:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:02,827 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 01:14:02,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750706437] [2020-07-20 01:14:02,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631494381] [2020-07-20 01:14:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a56852c 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 01:14:03,141 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a56852c issued 4 check-sat command(s) [2020-07-20 01:14:03,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:14:03,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 01:14:03,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:14:03,629 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 01:14:03,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:14:03,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13] total 25 [2020-07-20 01:14:03,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688646929] [2020-07-20 01:14:03,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:14:03,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:14:03,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:14:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:14:03,632 INFO L87 Difference]: Start difference. First operand 283 states and 383 transitions. Second operand 25 states. [2020-07-20 01:14:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:14:05,141 INFO L93 Difference]: Finished difference Result 563 states and 763 transitions. [2020-07-20 01:14:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-20 01:14:05,142 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1035 [2020-07-20 01:14:05,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:14:05,147 INFO L225 Difference]: With dead ends: 563 [2020-07-20 01:14:05,147 INFO L226 Difference]: Without dead ends: 261 [2020-07-20 01:14:05,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1395 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=455, Invalid=3205, Unknown=0, NotChecked=0, Total=3660 [2020-07-20 01:14:05,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-20 01:14:05,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 243. [2020-07-20 01:14:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-20 01:14:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2020-07-20 01:14:05,169 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 1035 [2020-07-20 01:14:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:14:05,169 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2020-07-20 01:14:05,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:14:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2020-07-20 01:14:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-07-20 01:14:05,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:14:05,189 INFO L422 BasicCegarLoop]: trace histogram [111, 111, 108, 108, 90, 87, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 36, 32, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:14:05,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:14:05,403 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:14:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:14:05,405 INFO L82 PathProgramCache]: Analyzing trace with hash -797920124, now seen corresponding path program 11 times [2020-07-20 01:14:05,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:14:05,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400572787] [2020-07-20 01:14:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@229e56c9 [2020-07-20 01:14:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:14:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 66942 backedges. 2308 proven. 6305 refuted. 0 times theorem prover too weak. 58329 trivial. 0 not checked. [2020-07-20 01:14:11,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400572787] [2020-07-20 01:14:11,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005843338] [2020-07-20 01:14:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75f48f0a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:14:12,029 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75f48f0a issued 3 check-sat command(s) [2020-07-20 01:14:12,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:14:12,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2708 conjuncts, 24 conjunts are in the unsatisfiable core [2020-07-20 01:14:12,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:14:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 66942 backedges. 1010 proven. 5429 refuted. 0 times theorem prover too weak. 60503 trivial. 0 not checked. [2020-07-20 01:14:12,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:14:12,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 26 [2020-07-20 01:14:12,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788850417] [2020-07-20 01:14:12,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 01:14:12,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:14:12,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 01:14:12,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:14:12,895 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 26 states. [2020-07-20 01:14:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:14:14,071 INFO L93 Difference]: Finished difference Result 425 states and 497 transitions. [2020-07-20 01:14:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 01:14:14,074 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1498 [2020-07-20 01:14:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:14:14,075 INFO L225 Difference]: With dead ends: 425 [2020-07-20 01:14:14,075 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:14:14,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1988 GetRequests, 1934 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=380, Invalid=2700, Unknown=0, NotChecked=0, Total=3080 [2020-07-20 01:14:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:14:14,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:14:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:14:14,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:14:14,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1498 [2020-07-20 01:14:14,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:14:14,079 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:14:14,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 01:14:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:14:14,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:14:14,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:14:14,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:14:17,730 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 7 [2020-07-20 01:14:18,250 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-20 01:14:18,841 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-20 01:14:20,051 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 265 DAG size of output: 35 [2020-07-20 01:14:21,074 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 307 DAG size of output: 13 [2020-07-20 01:14:22,476 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 261 DAG size of output: 37 [2020-07-20 01:14:22,481 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-20 01:14:22,481 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:14:22,481 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:14:22,482 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 01:14:22,482 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:14:22,482 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:14:22,482 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-07-20 01:14:22,482 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-07-20 01:14:22,482 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-07-20 01:14:22,482 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-07-20 01:14:22,483 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-20 01:14:22,483 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-07-20 01:14:22,483 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 01:14:22,483 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-07-20 01:14:22,483 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-07-20 01:14:22,483 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-20 01:14:22,483 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (not (<= |fibo2_#in~n| 2)) (= fibo2_~n |fibo2_#in~n|)) [2020-07-20 01:14:22,484 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-20 01:14:22,484 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (and (or (<= 10 |fibo2_#in~n|) (<= |fibo2_#in~n| 7) (and (<= 21 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 21))) (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= |fibo2_#t~ret2| 1) (<= |fibo2_#in~n| 3) (<= 1 |fibo2_#t~ret2|) .cse0 (<= 3 fibo2_~n)) (and (<= 8 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 8) (<= 6 fibo2_~n) .cse0) (and (<= 9 fibo2_~n) .cse0))) (or (not (<= 6 |fibo2_#in~n|)) (<= 7 |fibo2_#in~n|))) [2020-07-20 01:14:22,484 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-07-20 01:14:22,484 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-20 01:14:22,485 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (or (not (<= |fibo1_#in~n| 4)) (and (<= |fibo1_#in~n| 2) (< 1 fibo1_~n))) (= fibo1_~n |fibo1_#in~n|)) [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (or (and (<= 13 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 13)) (<= 9 |fibo1_#in~n|) (<= |fibo1_#in~n| 7)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 8 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#in~n| 2) (<= 1 |fibo1_#t~ret0|) (< 1 fibo1_~n) (<= |fibo1_#t~ret0| 1) .cse0) (and (<= |fibo1_#t~ret0| 8) (<= 7 |fibo1_#in~n|) (<= 8 |fibo1_#t~ret0|) .cse0))) (or (<= |fibo1_#in~n| 9) (<= 11 |fibo1_#in~n|) (and (<= 34 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 34)))) [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-07-20 01:14:22,485 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-07-20 01:14:22,486 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-07-20 01:14:22,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:14:22 BoogieIcfgContainer [2020-07-20 01:14:22,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:14:22,492 INFO L168 Benchmark]: Toolchain (without parser) took 106258.00 ms. Allocated memory was 143.1 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-07-20 01:14:22,493 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 01:14:22,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.25 ms. Allocated memory is still 143.1 MB. Free memory was 100.3 MB in the beginning and 90.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:14:22,494 INFO L168 Benchmark]: Boogie Preprocessor took 130.00 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.7 MB in the beginning and 179.6 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:14:22,494 INFO L168 Benchmark]: RCFGBuilder took 256.16 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 166.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:14:22,495 INFO L168 Benchmark]: TraceAbstraction took 105619.05 ms. Allocated memory was 201.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 165.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-07-20 01:14:22,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.25 ms. Allocated memory is still 143.1 MB. Free memory was 100.3 MB in the beginning and 90.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.00 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.7 MB in the beginning and 179.6 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.16 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 166.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105619.05 ms. Allocated memory was 201.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 165.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 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: 97.3s, OverallIterations: 20, TraceHistogramMax: 138, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 907 SDtfs, 2040 SDslu, 11382 SDs, 0 SdLazy, 17143 SolverSat, 2288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16614 GetRequests, 15679 SyntacticMatches, 89 SemanticMatches, 846 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14382 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=17, 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, 548 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1682 PreInvPairs, 3325 NumberOfFragments, 163 HoareAnnotationTreeSize, 1682 FomulaSimplifications, 272690 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 11 FomulaSimplificationsInter, 361818 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 58.1s InterpolantComputationTime, 23985 NumberOfCodeBlocks, 22232 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 23947 ConstructedInterpolants, 0 QuantifiedInterpolants, 43793849 SizeOfPredicates, 131 NumberOfNonLiveVariables, 23721 ConjunctsInSsa, 971 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 790250/885968 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...