/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:56:55,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:56:55,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:56:55,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:56:55,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:56:55,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:56:55,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:56:55,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:56:55,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:56:55,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:56:55,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:56:55,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:56:55,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:56:55,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:56:55,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:56:55,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:56:55,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:56:55,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:56:55,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:56:55,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:56:55,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:56:55,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:56:55,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:56:55,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:56:55,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:56:55,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:56:55,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:56:55,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:56:55,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 05:56:55,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:56:55,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:56:55,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:56:55,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:56:55,097 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:56:55,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:56:55,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:56:55,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:56:55,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:56:55,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:56:55,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:56:55,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:56:55,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:56:55,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:56:55,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:56:55,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:56:55,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:56:55,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:56:55,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:56:55,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:56:55,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:56:55,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:56:55,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:56:55,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:56:55,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:56:55,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:56:55,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:56:55,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:56:55,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:56:55,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:56:55,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:56:55,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:56:55,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:56:55,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:56:55,401 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:56:55,402 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-07-20 05:56:55,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2020352e/7806551c11d84cd588d5aa71891c1a07/FLAG5cc1d2b7a [2020-07-20 05:56:56,068 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:56:56,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-07-20 05:56:56,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2020352e/7806551c11d84cd588d5aa71891c1a07/FLAG5cc1d2b7a [2020-07-20 05:56:56,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2020352e/7806551c11d84cd588d5aa71891c1a07 [2020-07-20 05:56:56,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:56:56,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:56:56,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:56:56,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:56:56,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:56:56,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:56:56" (1/1) ... [2020-07-20 05:56:56,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8e6708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:56, skipping insertion in model container [2020-07-20 05:56:56,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:56:56" (1/1) ... [2020-07-20 05:56:56,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:56:56,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:56:56,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:56:56,975 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:56:57,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:56:57,151 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:56:57,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57 WrapperNode [2020-07-20 05:56:57,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:56:57,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:56:57,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:56:57,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:56:57,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... [2020-07-20 05:56:57,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:56:57,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:56:57,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:56:57,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:56:57,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:56:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:56:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:56:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:56:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:56:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:56:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:56:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:56:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:56:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:56:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:56:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:56:58,575 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:56:58,575 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:56:58,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:56:58 BoogieIcfgContainer [2020-07-20 05:56:58,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:56:58,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:56:58,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:56:58,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:56:58,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:56:56" (1/3) ... [2020-07-20 05:56:58,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0e5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:56:58, skipping insertion in model container [2020-07-20 05:56:58,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:56:57" (2/3) ... [2020-07-20 05:56:58,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0e5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:56:58, skipping insertion in model container [2020-07-20 05:56:58,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:56:58" (3/3) ... [2020-07-20 05:56:58,605 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-07-20 05:56:58,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:56:58,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:56:58,635 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:56:58,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:56:58,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:56:58,659 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:56:58,660 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:56:58,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:56:58,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:56:58,660 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:56:58,661 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:56:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 05:56:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 05:56:58,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:56:58,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:56:58,695 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:56:58,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:56:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash -576444522, now seen corresponding path program 1 times [2020-07-20 05:56:58,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:56:58,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874390994] [2020-07-20 05:56:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:56:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:56:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:56:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:56:59,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874390994] [2020-07-20 05:56:59,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:56:59,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:56:59,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246620452] [2020-07-20 05:56:59,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:56:59,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:56:59,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:56:59,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:56:59,160 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 05:57:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:01,235 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-20 05:57:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 05:57:01,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-07-20 05:57:01,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:01,255 INFO L225 Difference]: With dead ends: 730 [2020-07-20 05:57:01,256 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 05:57:01,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:57:01,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 05:57:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-20 05:57:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-20 05:57:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-20 05:57:01,357 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 55 [2020-07-20 05:57:01,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:01,359 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-20 05:57:01,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:57:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-20 05:57:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 05:57:01,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:01,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:01,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:57:01,379 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:01,379 INFO L82 PathProgramCache]: Analyzing trace with hash -913027315, now seen corresponding path program 1 times [2020-07-20 05:57:01,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:01,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873528783] [2020-07-20 05:57:01,381 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:01,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873528783] [2020-07-20 05:57:01,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:57:01,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:57:01,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532014704] [2020-07-20 05:57:01,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:57:01,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:01,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:57:01,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:57:01,687 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-20 05:57:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:03,548 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-07-20 05:57:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:57:03,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-07-20 05:57:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:03,557 INFO L225 Difference]: With dead ends: 1041 [2020-07-20 05:57:03,558 INFO L226 Difference]: Without dead ends: 606 [2020-07-20 05:57:03,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-20 05:57:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-20 05:57:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-07-20 05:57:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-20 05:57:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-07-20 05:57:03,602 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 128 [2020-07-20 05:57:03,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:03,603 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-07-20 05:57:03,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:57:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-07-20 05:57:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 05:57:03,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:03,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:03,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:57:03,607 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:03,607 INFO L82 PathProgramCache]: Analyzing trace with hash 952189433, now seen corresponding path program 1 times [2020-07-20 05:57:03,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:03,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076578614] [2020-07-20 05:57:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:03,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076578614] [2020-07-20 05:57:03,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090524074] [2020-07-20 05:57:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@458f1d83 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:04,015 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@458f1d83 issued 4 check-sat command(s) [2020-07-20 05:57:04,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:57:04,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:57:04,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:57:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:04,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:57:04,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-07-20 05:57:04,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207866371] [2020-07-20 05:57:04,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:57:04,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:04,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:57:04,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:57:04,097 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 3 states. [2020-07-20 05:57:04,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:04,831 INFO L93 Difference]: Finished difference Result 1756 states and 2510 transitions. [2020-07-20 05:57:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:57:04,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-20 05:57:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:04,847 INFO L225 Difference]: With dead ends: 1756 [2020-07-20 05:57:04,847 INFO L226 Difference]: Without dead ends: 1170 [2020-07-20 05:57:04,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:57:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2020-07-20 05:57:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1023. [2020-07-20 05:57:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-07-20 05:57:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1444 transitions. [2020-07-20 05:57:04,919 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1444 transitions. Word has length 134 [2020-07-20 05:57:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:04,920 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1444 transitions. [2020-07-20 05:57:04,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:57:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1444 transitions. [2020-07-20 05:57:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 05:57:04,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:04,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:05,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 05:57:05,145 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:05,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:05,146 INFO L82 PathProgramCache]: Analyzing trace with hash -296475546, now seen corresponding path program 1 times [2020-07-20 05:57:05,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:05,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373350295] [2020-07-20 05:57:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:05,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373350295] [2020-07-20 05:57:05,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:57:05,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:57:05,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868344847] [2020-07-20 05:57:05,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:57:05,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:05,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:57:05,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:57:05,408 INFO L87 Difference]: Start difference. First operand 1023 states and 1444 transitions. Second operand 8 states. [2020-07-20 05:57:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:07,489 INFO L93 Difference]: Finished difference Result 2370 states and 3400 transitions. [2020-07-20 05:57:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 05:57:07,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2020-07-20 05:57:07,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:07,503 INFO L225 Difference]: With dead ends: 2370 [2020-07-20 05:57:07,504 INFO L226 Difference]: Without dead ends: 1353 [2020-07-20 05:57:07,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-07-20 05:57:07,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-20 05:57:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1045. [2020-07-20 05:57:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-07-20 05:57:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1316 transitions. [2020-07-20 05:57:07,553 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1316 transitions. Word has length 167 [2020-07-20 05:57:07,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:07,554 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1316 transitions. [2020-07-20 05:57:07,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:57:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1316 transitions. [2020-07-20 05:57:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 05:57:07,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:07,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:07,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 05:57:07,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:07,559 INFO L82 PathProgramCache]: Analyzing trace with hash 528848677, now seen corresponding path program 1 times [2020-07-20 05:57:07,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:07,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955442897] [2020-07-20 05:57:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:07,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955442897] [2020-07-20 05:57:07,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:57:07,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 05:57:07,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672449325] [2020-07-20 05:57:07,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 05:57:07,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:07,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 05:57:07,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:57:07,878 INFO L87 Difference]: Start difference. First operand 1045 states and 1316 transitions. Second operand 7 states. [2020-07-20 05:57:09,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:09,204 INFO L93 Difference]: Finished difference Result 2261 states and 2836 transitions. [2020-07-20 05:57:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 05:57:09,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-20 05:57:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:09,217 INFO L225 Difference]: With dead ends: 2261 [2020-07-20 05:57:09,217 INFO L226 Difference]: Without dead ends: 1222 [2020-07-20 05:57:09,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:57:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-07-20 05:57:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1047. [2020-07-20 05:57:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-07-20 05:57:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1272 transitions. [2020-07-20 05:57:09,263 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1272 transitions. Word has length 172 [2020-07-20 05:57:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:09,264 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1272 transitions. [2020-07-20 05:57:09,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 05:57:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1272 transitions. [2020-07-20 05:57:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-07-20 05:57:09,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:09,269 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:09,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 05:57:09,270 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:09,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:09,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1123243390, now seen corresponding path program 1 times [2020-07-20 05:57:09,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:09,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749914534] [2020-07-20 05:57:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 05:57:09,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749914534] [2020-07-20 05:57:09,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76788612] [2020-07-20 05:57:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1abe9dc5 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:09,887 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1abe9dc5 issued 4 check-sat command(s) [2020-07-20 05:57:09,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:57:09,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:57:09,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:57:09,919 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 05:57:10,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:57:10,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 05:57:10,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147250096] [2020-07-20 05:57:10,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:57:10,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:10,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:57:10,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:57:10,211 INFO L87 Difference]: Start difference. First operand 1047 states and 1272 transitions. Second operand 3 states. [2020-07-20 05:57:11,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:11,135 INFO L93 Difference]: Finished difference Result 2672 states and 3359 transitions. [2020-07-20 05:57:11,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:57:11,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-07-20 05:57:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:11,152 INFO L225 Difference]: With dead ends: 2672 [2020-07-20 05:57:11,152 INFO L226 Difference]: Without dead ends: 1774 [2020-07-20 05:57:11,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:57:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-07-20 05:57:11,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1486. [2020-07-20 05:57:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1486 states. [2020-07-20 05:57:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1809 transitions. [2020-07-20 05:57:11,209 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1809 transitions. Word has length 237 [2020-07-20 05:57:11,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:11,210 INFO L479 AbstractCegarLoop]: Abstraction has 1486 states and 1809 transitions. [2020-07-20 05:57:11,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:57:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1809 transitions. [2020-07-20 05:57:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-07-20 05:57:11,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:11,216 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:11,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:11,432 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:11,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1661435255, now seen corresponding path program 1 times [2020-07-20 05:57:11,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:11,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213548722] [2020-07-20 05:57:11,435 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:57:11,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213548722] [2020-07-20 05:57:11,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168825606] [2020-07-20 05:57:11,985 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@295f3820 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:12,133 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@295f3820 issued 4 check-sat command(s) [2020-07-20 05:57:12,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:57:12,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:57:12,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:57:12,184 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 05:57:12,184 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:12,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:57:12,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 14 [2020-07-20 05:57:12,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628733558] [2020-07-20 05:57:12,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 05:57:12,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:12,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 05:57:12,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-20 05:57:12,289 INFO L87 Difference]: Start difference. First operand 1486 states and 1809 transitions. Second operand 14 states. [2020-07-20 05:57:17,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:17,720 INFO L93 Difference]: Finished difference Result 4349 states and 5731 transitions. [2020-07-20 05:57:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 05:57:17,725 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 242 [2020-07-20 05:57:17,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:17,739 INFO L225 Difference]: With dead ends: 4349 [2020-07-20 05:57:17,740 INFO L226 Difference]: Without dead ends: 3012 [2020-07-20 05:57:17,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=358, Invalid=1448, Unknown=0, NotChecked=0, Total=1806 [2020-07-20 05:57:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-07-20 05:57:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2831. [2020-07-20 05:57:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2020-07-20 05:57:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3471 transitions. [2020-07-20 05:57:17,822 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3471 transitions. Word has length 242 [2020-07-20 05:57:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:17,822 INFO L479 AbstractCegarLoop]: Abstraction has 2831 states and 3471 transitions. [2020-07-20 05:57:17,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 05:57:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3471 transitions. [2020-07-20 05:57:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-07-20 05:57:17,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:17,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:18,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:18,044 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:18,044 INFO L82 PathProgramCache]: Analyzing trace with hash -14922590, now seen corresponding path program 1 times [2020-07-20 05:57:18,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:18,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785629727] [2020-07-20 05:57:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 100 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:57:18,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785629727] [2020-07-20 05:57:18,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776744871] [2020-07-20 05:57:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18c7d165 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:18,750 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18c7d165 issued 4 check-sat command(s) [2020-07-20 05:57:18,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:57:18,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:57:18,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:57:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:18,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:57:18,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-07-20 05:57:18,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536096511] [2020-07-20 05:57:18,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 05:57:18,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:18,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 05:57:18,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-20 05:57:18,948 INFO L87 Difference]: Start difference. First operand 2831 states and 3471 transitions. Second operand 13 states. [2020-07-20 05:57:19,102 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-20 05:57:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:57:23,675 INFO L93 Difference]: Finished difference Result 7991 states and 9947 transitions. [2020-07-20 05:57:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-20 05:57:23,676 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 251 [2020-07-20 05:57:23,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:57:23,692 INFO L225 Difference]: With dead ends: 7991 [2020-07-20 05:57:23,692 INFO L226 Difference]: Without dead ends: 3536 [2020-07-20 05:57:23,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-07-20 05:57:23,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2020-07-20 05:57:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 2813. [2020-07-20 05:57:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-07-20 05:57:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3394 transitions. [2020-07-20 05:57:23,780 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3394 transitions. Word has length 251 [2020-07-20 05:57:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:57:23,780 INFO L479 AbstractCegarLoop]: Abstraction has 2813 states and 3394 transitions. [2020-07-20 05:57:23,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 05:57:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3394 transitions. [2020-07-20 05:57:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-07-20 05:57:23,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:57:23,788 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:57:24,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:24,004 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:57:24,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:57:24,005 INFO L82 PathProgramCache]: Analyzing trace with hash 253048858, now seen corresponding path program 1 times [2020-07-20 05:57:24,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:57:24,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989219859] [2020-07-20 05:57:24,006 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:57:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:57:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 177 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:57:24,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989219859] [2020-07-20 05:57:24,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649793697] [2020-07-20 05:57:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f12e3df No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:57:24,880 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f12e3df issued 4 check-sat command(s) [2020-07-20 05:57:24,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:57:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 05:57:24,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:57:24,925 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:24,925 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,926 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,927 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:57:24,929 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,930 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,931 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,933 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,934 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:57:24,936 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,937 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,938 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,939 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:57:24,941 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,942 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,943 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,945 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,946 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:57:24,949 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:24,950 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,951 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,952 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,953 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:24,954 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:57:24,955 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:24,956 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:57:39,246 WARN L193 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-20 05:57:39,531 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 05:57:40,295 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 05:57:40,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:40,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:40,341 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:57:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:57:40,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:57:40,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2020-07-20 05:57:40,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011436657] [2020-07-20 05:57:40,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 05:57:40,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:57:40,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 05:57:40,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-07-20 05:57:40,518 INFO L87 Difference]: Start difference. First operand 2813 states and 3394 transitions. Second operand 17 states. [2020-07-20 05:57:41,767 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-20 05:57:45,528 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-07-20 05:57:53,690 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 05:57:54,810 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-07-20 05:58:08,261 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-07-20 05:58:36,589 WARN L193 SmtUtils]: Spent 23.72 s on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-07-20 05:58:37,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:58:37,518 INFO L93 Difference]: Finished difference Result 6095 states and 7429 transitions. [2020-07-20 05:58:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 05:58:37,520 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 287 [2020-07-20 05:58:37,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:58:37,537 INFO L225 Difference]: With dead ends: 6095 [2020-07-20 05:58:37,537 INFO L226 Difference]: Without dead ends: 3431 [2020-07-20 05:58:37,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 50.8s TimeCoverageRelationStatistics Valid=471, Invalid=1598, Unknown=1, NotChecked=0, Total=2070 [2020-07-20 05:58:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2020-07-20 05:58:37,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3405. [2020-07-20 05:58:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3405 states. [2020-07-20 05:58:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4072 transitions. [2020-07-20 05:58:37,641 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4072 transitions. Word has length 287 [2020-07-20 05:58:37,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:58:37,642 INFO L479 AbstractCegarLoop]: Abstraction has 3405 states and 4072 transitions. [2020-07-20 05:58:37,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 05:58:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4072 transitions. [2020-07-20 05:58:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-07-20 05:58:37,652 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:58:37,652 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:58:37,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:58:37,866 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:58:37,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:58:37,866 INFO L82 PathProgramCache]: Analyzing trace with hash 273888777, now seen corresponding path program 1 times [2020-07-20 05:58:37,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:58:37,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15680133] [2020-07-20 05:58:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fa7441 [2020-07-20 05:58:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:58:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:58:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:58:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:58:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-07-20 05:58:38,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15680133] [2020-07-20 05:58:38,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742139103] [2020-07-20 05:58:38,231 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78ec3ea7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:58:38,394 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78ec3ea7 issued 4 check-sat command(s) [2020-07-20 05:58:38,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:58:38,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 05:58:38,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:58:38,475 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 05:58:38,476 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 05:58:38,477 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:58:38,477 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:58:38,478 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,479 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,479 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,481 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,482 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,483 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,484 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,485 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,486 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,486 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,487 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,488 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,489 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,490 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,491 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,493 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,493 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,494 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,495 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,496 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,497 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,498 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,499 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,500 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,500 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,502 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,503 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,503 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,504 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,505 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,506 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,507 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,508 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,509 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:58:38,510 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,510 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,511 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,512 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,513 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-20 05:58:38,514 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,515 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,516 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,517 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,517 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,518 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,520 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,520 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,521 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,522 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,523 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,525 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 05:58:38,525 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:58:38,526 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:58:38,526 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,527 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,528 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,529 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,530 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,532 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,532 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,534 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 05:58:38,534 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,535 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,536 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,537 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,538 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,539 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,540 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,541 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 05:58:38,542 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,543 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-20 05:58:38,544 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,544 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,545 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:58:38,547 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 05:58:38,547 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 05:59:32,128 WARN L193 SmtUtils]: Spent 48.54 s on a formula simplification. DAG size of input: 242 DAG size of output: 62 [2020-07-20 05:59:59,035 WARN L193 SmtUtils]: Spent 16.47 s on a formula simplification. DAG size of input: 152 DAG size of output: 109 [2020-07-20 05:59:59,041 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-07-20 06:00:11,373 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2020-07-20 06:00:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 6 proven. 94 refuted. 2 times theorem prover too weak. 111 trivial. 0 not checked. [2020-07-20 06:00:11,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 06:00:11,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2020-07-20 06:00:11,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152274501] [2020-07-20 06:00:11,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 06:00:11,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:11,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 06:00:11,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=84, Unknown=12, NotChecked=0, Total=132 [2020-07-20 06:00:11,908 INFO L87 Difference]: Start difference. First operand 3405 states and 4072 transitions. Second operand 12 states. [2020-07-20 06:00:12,184 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 06:00:51,473 WARN L193 SmtUtils]: Spent 18.51 s on a formula simplification. DAG size of input: 149 DAG size of output: 33 [2020-07-20 06:00:58,096 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-20 06:00:58,570 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 06:01:25,355 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 150 DAG size of output: 31 [2020-07-20 06:02:23,859 WARN L193 SmtUtils]: Spent 56.19 s on a formula simplification. DAG size of input: 177 DAG size of output: 58 [2020-07-20 06:02:33,051 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~a12~0 |c_old(~a12~0)|) (= c_~a10~0 |c_old(~a10~0)|) (exists ((v_~a1~0_BEFORE_CALL_11 Int) (v_prenex_11 Int)) (let ((.cse1 (div v_prenex_11 5))) (let ((.cse0 (+ (mod .cse1 89) 128))) (and (<= 23 (div (+ v_~a1~0_BEFORE_CALL_11 (- 517989)) 5)) (<= (+ (div .cse0 5) 34) c_~a1~0) (<= 0 (+ .cse1 1)) (<= v_~a1~0_BEFORE_CALL_11 v_prenex_11) (<= 0 .cse1) (<= 0 v_prenex_11) (<= 0 .cse0))))) (= c_~inputE~0 |c_old(~inputE~0)|) (= c_~inputB~0 |c_old(~inputB~0)|) (= c_~inputF~0 |c_old(~inputF~0)|) (= c_~inputC~0 |c_old(~inputC~0)|) (= c_~a19~0 |c_old(~a19~0)|) (= c_~inputD~0 |c_old(~inputD~0)|) (= c_~a4~0 |c_old(~a4~0)|) (or (exists ((v_~a1~0_351 Int)) (let ((.cse2 (div v_~a1~0_351 5))) (let ((.cse3 (+ .cse2 1))) (let ((.cse4 (mod .cse3 89))) (let ((.cse5 (+ .cse4 39))) (and (not (= 0 (mod v_~a1~0_351 5))) (<= |c_old(~a1~0)| v_~a1~0_351) (< v_~a1~0_351 0) (< .cse2 0) (< .cse3 0) (not (= 0 .cse4)) (<= (+ (div .cse5 5) 34) c_~a1~0) (<= 0 .cse5) (not (= 0 (mod .cse2 89))))))))) (exists ((v_~a1~0_351 Int)) (let ((.cse7 (div v_~a1~0_351 5))) (let ((.cse8 (mod .cse7 89))) (let ((.cse6 (+ .cse8 39))) (and (<= (+ (div .cse6 5) 34) c_~a1~0) (<= |c_old(~a1~0)| v_~a1~0_351) (= 0 (mod (+ .cse7 1) 89)) (= 0 (mod v_~a1~0_351 5)) (< .cse7 0) (not (= 0 .cse8)) (<= 0 .cse6)))))) (exists ((v_~a1~0_351 Int)) (let ((.cse10 (div v_~a1~0_351 5))) (let ((.cse12 (mod .cse10 89))) (let ((.cse11 (+ .cse10 1)) (.cse9 (+ .cse12 39))) (and (<= (+ (div .cse9 5) 34) c_~a1~0) (<= |c_old(~a1~0)| v_~a1~0_351) (= 0 (mod v_~a1~0_351 5)) (< .cse10 0) (< .cse11 0) (not (= 0 (mod .cse11 89))) (not (= 0 .cse12)) (<= 0 .cse9)))))) (exists ((v_~a1~0_351 Int)) (let ((.cse13 (div v_~a1~0_351 5))) (let ((.cse14 (+ (mod .cse13 89) 128))) (and (<= |c_old(~a1~0)| v_~a1~0_351) (= 0 (mod (+ .cse13 1) 89)) (= 0 (mod v_~a1~0_351 5)) (<= 0 .cse14) (<= 0 .cse13) (<= (+ (div .cse14 5) 34) c_~a1~0))))) (exists ((v_~a1~0_351 Int)) (let ((.cse16 (div v_~a1~0_351 5))) (let ((.cse17 (+ .cse16 1))) (let ((.cse15 (mod .cse17 89))) (and (= 0 (mod (+ .cse15 4) 5)) (not (= 0 (mod v_~a1~0_351 5))) (<= |c_old(~a1~0)| v_~a1~0_351) (< v_~a1~0_351 0) (< .cse16 0) (< .cse17 0) (not (= 0 .cse15)) (<= (+ (div (+ .cse15 39) 5) 34) c_~a1~0) (not (= 0 (mod .cse16 89)))))))) (exists ((v_~a1~0_351 Int)) (let ((.cse18 (div v_~a1~0_351 5))) (let ((.cse19 (+ .cse18 1))) (let ((.cse20 (mod .cse19 89))) (let ((.cse21 (+ .cse20 39))) (and (not (= 0 (mod v_~a1~0_351 5))) (<= |c_old(~a1~0)| v_~a1~0_351) (< v_~a1~0_351 0) (= 0 (mod .cse18 89)) (< .cse19 0) (not (= 0 .cse20)) (<= (+ (div .cse21 5) 34) c_~a1~0) (<= 0 .cse21))))))) (exists ((v_~a1~0_351 Int)) (let ((.cse22 (div v_~a1~0_351 5))) (let ((.cse23 (+ (mod .cse22 89) 128))) (and (<= |c_old(~a1~0)| v_~a1~0_351) (<= 0 v_~a1~0_351) (<= 0 (+ .cse22 1)) (<= 0 .cse23) (<= 0 .cse22) (<= (+ (div .cse23 5) 34) c_~a1~0)))))) (= c_~a1~0 |c_old(~a1~0)|)) is different from false [2020-07-20 06:05:40,606 WARN L193 SmtUtils]: Spent 1.40 m on a formula simplification. DAG size of input: 140 DAG size of output: 54 [2020-07-20 06:06:51,024 WARN L193 SmtUtils]: Spent 18.70 s on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-07-20 06:08:04,735 WARN L193 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 153 DAG size of output: 33 [2020-07-20 06:09:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:09:11,259 INFO L93 Difference]: Finished difference Result 9723 states and 11658 transitions. [2020-07-20 06:09:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 06:09:11,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 306 [2020-07-20 06:09:11,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:09:11,292 INFO L225 Difference]: With dead ends: 9723 [2020-07-20 06:09:11,292 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 06:09:11,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 340.0s TimeCoverageRelationStatistics Valid=175, Invalid=351, Unknown=30, NotChecked=44, Total=600 [2020-07-20 06:09:11,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 06:09:11,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 06:09:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 06:09:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 06:09:11,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 306 [2020-07-20 06:09:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:09:11,312 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 06:09:11,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 06:09:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 06:09:11,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 06:09:11,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:09:11,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 06:09:14,159 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 230 [2020-07-20 06:09:14,557 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 230 [2020-07-20 06:09:14,799 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-07-20 06:09:15,977 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-20 06:10:31,223 WARN L193 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 420 DAG size of output: 62 [2020-07-20 06:10:31,477 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-07-20 06:10:42,266 WARN L193 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 226 DAG size of output: 61 [2020-07-20 06:10:53,386 WARN L193 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 226 DAG size of output: 61 [2020-07-20 06:10:53,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 06:10:53,395 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-20 06:10:53,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 06:10:53,395 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 06:10:53,396 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 06:10:53,397 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 06:10:53,397 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 06:10:53,397 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 06:10:53,397 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 06:10:53,397 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,398 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 06:10:53,399 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 06:10:53,400 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 06:10:53,401 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 06:10:53,402 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 06:10:53,403 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 06:10:53,404 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 06:10:53,405 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 06:10:53,406 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 06:10:53,407 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 06:10:53,408 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,409 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 06:10:53,410 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,411 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 06:10:53,412 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 06:10:53,413 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 06:10:53,413 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 06:10:53,413 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 06:10:53,413 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 06:10:53,413 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (not (= 0 ~a12~0))) (.cse6 (not (= 14 ~a4~0))) (.cse0 (not (<= |old(~a1~0)| 23))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a19~0)| 8))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 9 |old(~a19~0)|)) (= 2 |old(~a10~0)|) .cse3) (or .cse4 .cse5 .cse6 (not (<= 41 |old(~a1~0)|)) .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3 (forall ((v_~a1~0_346 Int)) (let ((.cse7 (mod v_~a1~0_346 299890))) (or (not (< v_~a1~0_346 0)) (= 0 .cse7) (not (<= (+ .cse7 218) |old(~a1~0)|)))))) (or .cse0 .cse4 (= 8 |old(~a19~0)|) .cse3) (or .cse1 .cse4 .cse2 .cse3))) [2020-07-20 06:10:53,413 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,414 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 06:10:53,415 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,416 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 06:10:53,417 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,420 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 06:10:53,421 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 06:10:53,422 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-20 06:10:53,422 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 06:10:53,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 06:10:53,423 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 06:10:53,423 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 06:10:53,423 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (<= ~a19~0 8))) (or (and (<= 1 ~a10~0) (not (= 2 ~a10~0))) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a1~0 23) (not (= 8 ~a19~0))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (exists ((v_~a1~0_346 Int)) (let ((.cse1 (mod v_~a1~0_346 299890))) (and (< v_~a1~0_346 0) (<= (+ .cse1 218) ~a1~0) (not (= 0 .cse1)))))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= 41 ~a1~0) .cse2) (not (= 0 ~a12~0)) (and (<= ~a10~0 0) (<= 9 ~a19~0)) (and .cse2 (<= 2 ~a10~0)))) [2020-07-20 06:10:53,423 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 06:10:53,423 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 06:10:53,423 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (<= ~a19~0 8))) (or (and (<= 1 ~a10~0) (not (= 2 ~a10~0))) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a1~0 23) (not (= 8 ~a19~0))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (exists ((v_~a1~0_346 Int)) (let ((.cse1 (mod v_~a1~0_346 299890))) (and (< v_~a1~0_346 0) (<= (+ .cse1 218) ~a1~0) (not (= 0 .cse1)))))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= 41 ~a1~0) .cse2) (not (= 0 ~a12~0)) (and (<= ~a10~0 0) (<= 9 ~a19~0)) (and .cse2 (<= 2 ~a10~0)))) [2020-07-20 06:10:53,424 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 06:10:53,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 06:10:53 BoogieIcfgContainer [2020-07-20 06:10:53,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 06:10:53,464 INFO L168 Benchmark]: Toolchain (without parser) took 837087.86 ms. Allocated memory was 137.9 MB in the beginning and 599.3 MB in the end (delta: 461.4 MB). Free memory was 101.0 MB in the beginning and 494.0 MB in the end (delta: -393.0 MB). Peak memory consumption was 533.5 MB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.62 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 170.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,470 INFO L168 Benchmark]: Boogie Preprocessor took 101.66 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,471 INFO L168 Benchmark]: RCFGBuilder took 1331.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 165.8 MB in the beginning and 181.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,472 INFO L168 Benchmark]: TraceAbstraction took 834873.21 ms. Allocated memory was 235.9 MB in the beginning and 599.3 MB in the end (delta: 363.3 MB). Free memory was 181.4 MB in the beginning and 494.0 MB in the end (delta: -312.6 MB). Peak memory consumption was 515.9 MB. Max. memory is 7.1 GB. [2020-07-20 06:10:53,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.62 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 170.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.66 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1331.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 165.8 MB in the beginning and 181.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 834873.21 ms. Allocated memory was 235.9 MB in the beginning and 599.3 MB in the end (delta: 363.3 MB). Free memory was 181.4 MB in the beginning and 494.0 MB in the end (delta: -312.6 MB). Peak memory consumption was 515.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2020-07-20 06:10:53,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-20 06:10:53,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] Derived loop invariant: ((((((((((((1 <= a10 && !(2 == a10)) || !(\old(a1) <= 23)) || ((a19 <= 9 && a1 <= 23) && !(8 == a19))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(14 == a4)) || (a19 <= 9 && (\exists v_~a1~0_346 : int :: (v_~a1~0_346 < 0 && v_~a1~0_346 % 299890 + 218 <= a1) && !(0 == v_~a1~0_346 % 299890)))) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || (41 <= a1 && a19 <= 8)) || !(0 == a12)) || (a10 <= 0 && 9 <= a19)) || (a19 <= 8 && 2 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 732.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 615.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 101.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 706 SDtfs, 7465 SDslu, 646 SDs, 0 SdLazy, 16892 SolverSat, 3068 SolverUnsat, 94 SolverUnknown, 0 SolverNotchecked, 283.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1702 GetRequests, 1508 SyntacticMatches, 3 SemanticMatches, 191 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 393.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3405occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1868 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 164 PreInvPairs, 290 NumberOfFragments, 435 HoareAnnotationTreeSize, 164 FomulaSimplifications, 127454 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 41737 FormulaSimplificationTreeSizeReductionInter, 98.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 112.3s InterpolantComputationTime, 3436 NumberOfCodeBlocks, 3436 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3420 ConstructedInterpolants, 108 QuantifiedInterpolants, 3802723 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2468 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1807/2102 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...