/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:30:47,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:30:47,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:30:47,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:30:47,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:30:47,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:30:47,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:30:47,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:30:47,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:30:47,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:30:47,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:30:47,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:30:47,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:30:47,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:30:47,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:30:47,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:30:47,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:30:47,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:30:47,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:30:47,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:30:47,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:30:47,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:30:47,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:30:47,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:30:47,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:30:47,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:30:47,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:30:47,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:30:47,074 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 17:30:47,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:30:47,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:30:47,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:30:47,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:30:47,090 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:30:47,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:30:47,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:30:47,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:30:47,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:30:47,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:30:47,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:30:47,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:30:47,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:30:47,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:30:47,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:30:47,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:30:47,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:30:47,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:30:47,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:30:47,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:30:47,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:30:47,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:47,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:30:47,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:30:47,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:30:47,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:30:47,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:30:47,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:30:47,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:30:47,396 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:30:47,396 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-20 17:30:47,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc2b211a/d9ee3c1b965b496a96ff55cb119aa764/FLAGcd9d92f07 [2020-07-20 17:30:48,095 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:30:48,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-20 17:30:48,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc2b211a/d9ee3c1b965b496a96ff55cb119aa764/FLAGcd9d92f07 [2020-07-20 17:30:48,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc2b211a/d9ee3c1b965b496a96ff55cb119aa764 [2020-07-20 17:30:48,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:30:48,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:30:48,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:30:48,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:30:48,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:30:48,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:48" (1/1) ... [2020-07-20 17:30:48,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f14a617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:48, skipping insertion in model container [2020-07-20 17:30:48,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:48" (1/1) ... [2020-07-20 17:30:48,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:30:48,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:30:49,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:30:49,091 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:30:49,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:30:49,194 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:30:49,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49 WrapperNode [2020-07-20 17:30:49,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:30:49,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:30:49,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:30:49,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:30:49,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (1/1) ... [2020-07-20 17:30:49,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:30:49,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:30:49,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:30:49,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:30:49,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (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 17:30:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:30:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:30:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:30:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:30:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:30:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:30:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:30:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:30:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:30:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:30:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:30:50,646 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:30:50,647 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:30:50,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:50 BoogieIcfgContainer [2020-07-20 17:30:50,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:30:50,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:30:50,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:30:50,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:30:50,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:30:48" (1/3) ... [2020-07-20 17:30:50,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078065a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:50, skipping insertion in model container [2020-07-20 17:30:50,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:49" (2/3) ... [2020-07-20 17:30:50,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078065a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:50, skipping insertion in model container [2020-07-20 17:30:50,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:50" (3/3) ... [2020-07-20 17:30:50,661 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-07-20 17:30:50,672 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:30:50,680 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:30:50,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:30:50,721 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:30:50,721 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:30:50,721 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:30:50,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:30:50,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:30:50,722 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:30:50,722 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:30:50,722 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:30:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 17:30:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-20 17:30:50,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:50,757 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] [2020-07-20 17:30:50,757 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:50,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:50,763 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-07-20 17:30:50,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:50,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585440133] [2020-07-20 17:30:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:50,888 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:50,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:50,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:30:50,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:50,968 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 17:30:50,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:50,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585440133] [2020-07-20 17:30:50,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:50,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:50,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934471888] [2020-07-20 17:30:50,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:50,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:50,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:50,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:50,998 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 17:30:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:52,076 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 17:30:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:52,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-20 17:30:52,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:52,095 INFO L225 Difference]: With dead ends: 586 [2020-07-20 17:30:52,095 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 17:30:52,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:52,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 17:30:52,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 17:30:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 17:30:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2020-07-20 17:30:52,178 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 44 [2020-07-20 17:30:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:52,179 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2020-07-20 17:30:52,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2020-07-20 17:30:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-20 17:30:52,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:52,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:52,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:52,405 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-07-20 17:30:52,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:52,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202912820] [2020-07-20 17:30:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:52,497 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:52,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:52,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:52,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:52,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:52,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202912820] [2020-07-20 17:30:52,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:52,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:52,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753520706] [2020-07-20 17:30:52,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:52,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:52,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:52,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:52,560 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states. [2020-07-20 17:30:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:53,273 INFO L93 Difference]: Finished difference Result 868 states and 1277 transitions. [2020-07-20 17:30:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:53,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-20 17:30:53,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:53,281 INFO L225 Difference]: With dead ends: 868 [2020-07-20 17:30:53,281 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 17:30:53,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:53,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 17:30:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-20 17:30:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 17:30:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions. [2020-07-20 17:30:53,332 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 118 [2020-07-20 17:30:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:53,333 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 762 transitions. [2020-07-20 17:30:53,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions. [2020-07-20 17:30:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 17:30:53,336 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:53,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:53,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:53,551 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:53,552 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-07-20 17:30:53,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:53,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723887542] [2020-07-20 17:30:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:53,637 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:53,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:53,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 17:30:53,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:53,679 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:30:53,681 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:30:57,065 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-20 17:30:57,117 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 17:30:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:57,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:30:57,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:30:57,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:30:57,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723887542] [2020-07-20 17:30:57,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:30:57,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-20 17:30:57,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083392021] [2020-07-20 17:30:57,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:30:57,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:57,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:30:57,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:30:57,488 INFO L87 Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 6 states. [2020-07-20 17:31:01,425 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 29 [2020-07-20 17:31:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:03,904 INFO L93 Difference]: Finished difference Result 1911 states and 2601 transitions. [2020-07-20 17:31:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 17:31:03,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-07-20 17:31:03,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:03,918 INFO L225 Difference]: With dead ends: 1911 [2020-07-20 17:31:03,919 INFO L226 Difference]: Without dead ends: 1337 [2020-07-20 17:31:03,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-07-20 17:31:03,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-07-20 17:31:03,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1317. [2020-07-20 17:31:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-07-20 17:31:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1718 transitions. [2020-07-20 17:31:04,000 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1718 transitions. Word has length 123 [2020-07-20 17:31:04,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:04,001 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1718 transitions. [2020-07-20 17:31:04,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:31:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1718 transitions. [2020-07-20 17:31:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 17:31:04,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:04,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:04,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:04,222 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:04,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:04,222 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-07-20 17:31:04,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:04,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10884305] [2020-07-20 17:31:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:04,302 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:04,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:04,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:04,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:04,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:04,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10884305] [2020-07-20 17:31:04,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:04,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:04,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995158646] [2020-07-20 17:31:04,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:04,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:04,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:04,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:04,343 INFO L87 Difference]: Start difference. First operand 1317 states and 1718 transitions. Second operand 3 states. [2020-07-20 17:31:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:05,407 INFO L93 Difference]: Finished difference Result 3063 states and 4173 transitions. [2020-07-20 17:31:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:05,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-20 17:31:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:05,418 INFO L225 Difference]: With dead ends: 3063 [2020-07-20 17:31:05,419 INFO L226 Difference]: Without dead ends: 1895 [2020-07-20 17:31:05,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2020-07-20 17:31:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1895. [2020-07-20 17:31:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-07-20 17:31:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2397 transitions. [2020-07-20 17:31:05,479 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2397 transitions. Word has length 139 [2020-07-20 17:31:05,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:05,480 INFO L479 AbstractCegarLoop]: Abstraction has 1895 states and 2397 transitions. [2020-07-20 17:31:05,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2397 transitions. [2020-07-20 17:31:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-20 17:31:05,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:05,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:05,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:05,698 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:05,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:05,699 INFO L82 PathProgramCache]: Analyzing trace with hash 844100826, now seen corresponding path program 1 times [2020-07-20 17:31:05,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:05,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128523515] [2020-07-20 17:31:05,700 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:05,804 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:05,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:05,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:05,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:05,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:05,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128523515] [2020-07-20 17:31:05,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:05,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:05,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866949818] [2020-07-20 17:31:05,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:05,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:05,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:05,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:05,857 INFO L87 Difference]: Start difference. First operand 1895 states and 2397 transitions. Second operand 3 states. [2020-07-20 17:31:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:06,874 INFO L93 Difference]: Finished difference Result 4366 states and 5654 transitions. [2020-07-20 17:31:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:06,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-07-20 17:31:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:06,888 INFO L225 Difference]: With dead ends: 4366 [2020-07-20 17:31:06,888 INFO L226 Difference]: Without dead ends: 1895 [2020-07-20 17:31:06,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2020-07-20 17:31:06,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1895. [2020-07-20 17:31:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-07-20 17:31:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2357 transitions. [2020-07-20 17:31:06,987 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2357 transitions. Word has length 166 [2020-07-20 17:31:06,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:06,989 INFO L479 AbstractCegarLoop]: Abstraction has 1895 states and 2357 transitions. [2020-07-20 17:31:06,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2357 transitions. [2020-07-20 17:31:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-20 17:31:06,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:06,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:07,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:07,209 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:07,209 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-07-20 17:31:07,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:07,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472913647] [2020-07-20 17:31:07,210 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:07,324 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:07,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:07,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:07,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:07,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:07,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472913647] [2020-07-20 17:31:07,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:07,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:07,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508573547] [2020-07-20 17:31:07,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:07,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:07,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:07,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:07,385 INFO L87 Difference]: Start difference. First operand 1895 states and 2357 transitions. Second operand 3 states. [2020-07-20 17:31:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:08,311 INFO L93 Difference]: Finished difference Result 3053 states and 3934 transitions. [2020-07-20 17:31:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:08,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-20 17:31:08,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:08,329 INFO L225 Difference]: With dead ends: 3053 [2020-07-20 17:31:08,330 INFO L226 Difference]: Without dead ends: 3051 [2020-07-20 17:31:08,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2020-07-20 17:31:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2479. [2020-07-20 17:31:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2020-07-20 17:31:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3214 transitions. [2020-07-20 17:31:08,405 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3214 transitions. Word has length 181 [2020-07-20 17:31:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:08,406 INFO L479 AbstractCegarLoop]: Abstraction has 2479 states and 3214 transitions. [2020-07-20 17:31:08,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3214 transitions. [2020-07-20 17:31:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 17:31:08,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:08,412 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:31:08,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:08,625 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:08,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:08,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-07-20 17:31:08,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:08,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099076367] [2020-07-20 17:31:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:08,732 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:08,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:08,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:08,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:08,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:31:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:08,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099076367] [2020-07-20 17:31:08,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:31:08,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:31:08,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231077022] [2020-07-20 17:31:08,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:31:08,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:08,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:31:08,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:31:08,930 INFO L87 Difference]: Start difference. First operand 2479 states and 3214 transitions. Second operand 7 states. [2020-07-20 17:31:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:10,976 INFO L93 Difference]: Finished difference Result 5521 states and 7764 transitions. [2020-07-20 17:31:10,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 17:31:10,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-20 17:31:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:10,997 INFO L225 Difference]: With dead ends: 5521 [2020-07-20 17:31:10,997 INFO L226 Difference]: Without dead ends: 3191 [2020-07-20 17:31:11,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-20 17:31:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2020-07-20 17:31:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 2791. [2020-07-20 17:31:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-07-20 17:31:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3481 transitions. [2020-07-20 17:31:11,132 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3481 transitions. Word has length 193 [2020-07-20 17:31:11,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:11,133 INFO L479 AbstractCegarLoop]: Abstraction has 2791 states and 3481 transitions. [2020-07-20 17:31:11,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:31:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3481 transitions. [2020-07-20 17:31:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-20 17:31:11,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:11,141 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:31:11,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:11,355 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:11,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:11,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1297380233, now seen corresponding path program 1 times [2020-07-20 17:31:11,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:11,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335789317] [2020-07-20 17:31:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:11,479 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:11,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:11,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:11,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:11,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:31:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:11,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335789317] [2020-07-20 17:31:11,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:31:11,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:31:11,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069149641] [2020-07-20 17:31:11,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:31:11,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:11,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:31:11,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:31:11,684 INFO L87 Difference]: Start difference. First operand 2791 states and 3481 transitions. Second operand 6 states. [2020-07-20 17:31:13,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:13,286 INFO L93 Difference]: Finished difference Result 6185 states and 8402 transitions. [2020-07-20 17:31:13,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:31:13,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2020-07-20 17:31:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:13,311 INFO L225 Difference]: With dead ends: 6185 [2020-07-20 17:31:13,311 INFO L226 Difference]: Without dead ends: 3543 [2020-07-20 17:31:13,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 424 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:31:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2020-07-20 17:31:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3101. [2020-07-20 17:31:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3101 states. [2020-07-20 17:31:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 3754 transitions. [2020-07-20 17:31:13,422 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 3754 transitions. Word has length 214 [2020-07-20 17:31:13,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:13,423 INFO L479 AbstractCegarLoop]: Abstraction has 3101 states and 3754 transitions. [2020-07-20 17:31:13,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:31:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 3754 transitions. [2020-07-20 17:31:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-07-20 17:31:13,433 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:13,434 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:13,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:13,647 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:13,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-07-20 17:31:13,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:13,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445224720] [2020-07-20 17:31:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:13,788 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:13,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:13,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 17:31:13,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:13,886 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:31:13,887 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:31:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 19 proven. 113 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-20 17:31:14,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:31:14,499 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 17:31:14,500 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:31:14,501 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:31:14,502 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:31:14,542 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:31:14,625 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 17:31:14,628 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:31:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 121 proven. 11 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-20 17:31:14,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445224720] [2020-07-20 17:31:14,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:31:14,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-07-20 17:31:14,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916052709] [2020-07-20 17:31:14,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 17:31:14,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:14,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 17:31:14,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:31:14,803 INFO L87 Difference]: Start difference. First operand 3101 states and 3754 transitions. Second operand 9 states. [2020-07-20 17:31:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:17,985 INFO L93 Difference]: Finished difference Result 7484 states and 9177 transitions. [2020-07-20 17:31:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:31:17,986 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 279 [2020-07-20 17:31:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:17,987 INFO L225 Difference]: With dead ends: 7484 [2020-07-20 17:31:17,987 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:31:18,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-07-20 17:31:18,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:31:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:31:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:31:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:31:18,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-07-20 17:31:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:18,002 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:31:18,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 17:31:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:31:18,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:31:18,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:18,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:31:18,826 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 146 [2020-07-20 17:31:19,058 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 146 [2020-07-20 17:31:20,484 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 198 DAG size of output: 89 [2020-07-20 17:31:21,027 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 51 [2020-07-20 17:31:21,536 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 51 [2020-07-20 17:31:21,541 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:31:21,541 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a19~0)| ~a19~0) (<= |old(~a10~0)| ~a10~0) (<= |old(~a1~0)| ~a1~0)) [2020-07-20 17:31:21,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:31:21,542 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 17:31:21,542 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,542 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,543 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,543 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,543 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,543 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,543 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 17:31:21,544 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,545 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 17:31:21,546 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 17:31:21,547 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 17:31:21,548 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 17:31:21,548 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-07-20 17:31:21,573 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 17:31:21,573 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,573 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,573 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,573 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 17:31:21,574 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,575 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,576 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,576 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 17:31:21,576 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 17:31:21,576 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 17:31:21,576 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 17:31:21,579 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 17:31:21,580 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,581 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,582 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,582 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 17:31:21,583 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 17:31:21,584 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 17:31:21,584 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 17:31:21,584 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 17:31:21,584 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 17:31:21,584 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 17:31:21,585 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 17:31:21,585 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 17:31:21,585 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 17:31:21,586 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 17:31:21,587 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 17:31:21,588 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 17:31:21,588 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 17:31:21,588 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 17:31:21,588 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 17:31:21,589 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (<= ~a10~0 0)) (.cse12 (<= |old(~a19~0)| ~a19~0)) (.cse13 (<= |old(~a10~0)| ~a10~0)) (.cse9 (<= |old(~a1~0)| ~a1~0))) (let ((.cse10 (not (<= 23 |old(~a1~0)|))) (.cse5 (not (<= |old(~a19~0)| 7))) (.cse4 (and .cse12 .cse13 .cse9)) (.cse11 (and .cse6 .cse12 .cse13 .cse9)) (.cse7 (not (<= |old(~a10~0)| 0))) (.cse8 (not (<= 9 |old(~a19~0)|))) (.cse0 (not (<= |old(~a1~0)| 23))) (.cse2 (not (= 0 ~a12~0))) (.cse3 (not (= 14 ~a4~0))) (.cse1 (<= ~a1~0 23))) (and (or (not (<= 10 |old(~a19~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 (not (<= 2 |old(~a10~0)|)) .cse4) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse0 .cse1) (or (= 0 |old(~a10~0)|) .cse2 .cse8 .cse3 (not (= 9 ~a19~0)) (< 0 (+ ~a1~0 13)) (not (= 0 ~a10~0))) (or .cse5 (and .cse9 (<= ~a19~0 7))) (or .cse10 .cse11 .cse7 .cse2 .cse3) (or .cse2 .cse8 .cse3 .cse4) (or .cse10 .cse0 .cse1 .cse2 .cse8 .cse3) (or .cse5 (not (<= 4 |old(~a10~0)|)) .cse0 (<= 4 ~a10~0)) (or (forall ((v_~a1~0_380 Int)) (or (not (<= (+ (div v_~a1~0_380 5) 331502) |old(~a1~0)|)) (= 0 (mod v_~a1~0_380 5)) (not (< v_~a1~0_380 0)) (not (< 0 (+ v_~a1~0_380 13))))) .cse2 .cse3 .cse4) (or .cse11 .cse7 .cse2 .cse8 .cse3) (or (not (< 0 |old(~a10~0)|)) .cse0 .cse2 .cse3 (and .cse12 .cse1 .cse13 .cse9))))) [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,590 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 17:31:21,591 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,592 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 17:31:21,593 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,594 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 17:31:21,595 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:31:21,596 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-20 17:31:21,597 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:31:21,597 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:31:21,597 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) (<= |old(~a19~0)| ~a19~0) (<= ~a1~0 23) (<= |old(~a10~0)| ~a10~0) (<= 23 ~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))) [2020-07-20 17:31:21,597 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 17:31:21,597 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (exists ((v_~a1~0_380 Int)) (and (<= (+ (div v_~a1~0_380 5) 331502) ~a1~0) (< v_~a1~0_380 0) (not (= 0 (mod v_~a1~0_380 5))) (< 0 (+ v_~a1~0_380 13)))) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (and (<= ~a1~0 23) (< 0 ~a10~0)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= 2 ~a10~0) (<= ~a19~0 7)) [2020-07-20 17:31:21,597 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 17:31:21,598 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 17:31:21,598 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (exists ((v_~a1~0_380 Int)) (and (<= (+ (div v_~a1~0_380 5) 331502) ~a1~0) (< v_~a1~0_380 0) (not (= 0 (mod v_~a1~0_380 5))) (< 0 (+ v_~a1~0_380 13)))) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (and (<= ~a1~0 23) (< 0 ~a10~0)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= 2 ~a10~0) (<= ~a19~0 7)) [2020-07-20 17:31:21,598 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 17:31:21,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:31:21 BoogieIcfgContainer [2020-07-20 17:31:21,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:31:21,637 INFO L168 Benchmark]: Toolchain (without parser) took 33192.22 ms. Allocated memory was 140.5 MB in the beginning and 489.2 MB in the end (delta: 348.7 MB). Free memory was 99.2 MB in the beginning and 423.2 MB in the end (delta: -324.0 MB). Peak memory consumption was 374.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,639 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.82 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 170.1 MB in the end (delta: -71.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,641 INFO L168 Benchmark]: Boogie Preprocessor took 113.31 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 165.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,646 INFO L168 Benchmark]: RCFGBuilder took 1340.80 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 165.2 MB in the beginning and 181.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,647 INFO L168 Benchmark]: TraceAbstraction took 30980.83 ms. Allocated memory was 235.4 MB in the beginning and 489.2 MB in the end (delta: 253.8 MB). Free memory was 181.0 MB in the beginning and 423.2 MB in the end (delta: -242.1 MB). Peak memory consumption was 361.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:21,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.82 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 170.1 MB in the end (delta: -71.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.31 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 165.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1340.80 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 165.2 MB in the beginning and 181.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30980.83 ms. Allocated memory was 235.4 MB in the beginning and 489.2 MB in the end (delta: 253.8 MB). Free memory was 181.0 MB in the beginning and 423.2 MB in the end (delta: -242.1 MB). Peak memory consumption was 361.2 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_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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 17:31:21,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-20 17:31:21,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] Derived loop invariant: ((((((((((9 <= a19 || !(23 <= \old(a1))) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || (\exists v_~a1~0_380 : int :: ((v_~a1~0_380 / 5 + 331502 <= a1 && v_~a1~0_380 < 0) && !(0 == v_~a1~0_380 % 5)) && 0 < v_~a1~0_380 + 13)) || !(9 <= \old(a19))) || !(0 == a12)) || (a1 <= 23 && 0 < a10)) || !(14 == a4)) || (a10 <= 0 && 23 <= a1)) || 2 <= a10) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 18.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 751 SDtfs, 2392 SDslu, 275 SDs, 0 SdLazy, 6821 SolverSat, 1145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2197 GetRequests, 2152 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3101occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1434 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 124 PreInvPairs, 198 NumberOfFragments, 523 HoareAnnotationTreeSize, 124 FomulaSimplifications, 17260 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5899 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1457 NumberOfCodeBlocks, 1457 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2131 ConstructedInterpolants, 80 QuantifiedInterpolants, 1694403 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2809 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1273/1439 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...