/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:32:51,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:32:51,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:32:51,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:32:51,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:32:51,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:32:51,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:32:51,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:32:51,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:32:51,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:32:51,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:32:51,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:32:51,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:32:51,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:32:51,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:32:51,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:32:51,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:32:51,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:32:51,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:32:51,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:32:51,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:32:51,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:32:51,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:32:51,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:32:51,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:32:51,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:32:51,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:32:51,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:32:51,827 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 11:32:51,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:32:51,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:32:51,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:32:51,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:32:51,845 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:32:51,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:32:51,846 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:32:51,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:32:51,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:32:51,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:32:51,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:32:51,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:32:51,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:32:51,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:32:51,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:32:51,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:32:51,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:32:51,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:32:51,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:32:51,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:32:51,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:32:51,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:32:51,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:32:51,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:32:51,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:32:51,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:32:51,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:32:51,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:32:51,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:32:51,852 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 -> NOT_INCREMENTALLY [2020-07-20 11:32:52,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:32:52,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:32:52,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:32:52,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:32:52,145 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:32:52,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-20 11:32:52,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73318861/de5e69ca010d4132826c21e2382c51cb/FLAG3dc71fa07 [2020-07-20 11:32:52,779 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:32:52,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-20 11:32:52,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73318861/de5e69ca010d4132826c21e2382c51cb/FLAG3dc71fa07 [2020-07-20 11:32:53,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b73318861/de5e69ca010d4132826c21e2382c51cb [2020-07-20 11:32:53,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:32:53,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:32:53,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:32:53,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:32:53,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:32:53,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15875eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53, skipping insertion in model container [2020-07-20 11:32:53,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:32:53,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:32:53,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:32:53,609 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:32:53,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:32:53,824 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:32:53,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53 WrapperNode [2020-07-20 11:32:53,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:32:53,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:32:53,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:32:53,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:32:53,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (1/1) ... [2020-07-20 11:32:53,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:32:53,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:32:53,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:32:53,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:32:53,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (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 11:32:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:32:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:32:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:32:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:32:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:32:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:32:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:32:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:32:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:32:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:32:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:32:55,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:32:55,207 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:32:55,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:32:55 BoogieIcfgContainer [2020-07-20 11:32:55,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:32:55,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:32:55,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:32:55,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:32:55,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:32:53" (1/3) ... [2020-07-20 11:32:55,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f55c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:32:55, skipping insertion in model container [2020-07-20 11:32:55,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:32:53" (2/3) ... [2020-07-20 11:32:55,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f55c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:32:55, skipping insertion in model container [2020-07-20 11:32:55,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:32:55" (3/3) ... [2020-07-20 11:32:55,232 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-07-20 11:32:55,246 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:32:55,260 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:32:55,275 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:32:55,310 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:32:55,311 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:32:55,311 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:32:55,312 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:32:55,312 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:32:55,312 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:32:55,312 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:32:55,313 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:32:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 11:32:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-20 11:32:55,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:32:55,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:32:55,365 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:32:55,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:32:55,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-07-20 11:32:55,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:32:55,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022607223] [2020-07-20 11:32:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:32:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:32:55,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:32:55,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:32:55,708 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 11:32:55,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:32:55,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022607223] [2020-07-20 11:32:55,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:32:55,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:32:55,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112917355] [2020-07-20 11:32:55,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:32:55,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:32:55,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:32:55,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:32:55,736 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-20 11:32:56,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:32:56,670 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-20 11:32:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:32:56,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-07-20 11:32:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:32:56,715 INFO L225 Difference]: With dead ends: 572 [2020-07-20 11:32:56,715 INFO L226 Difference]: Without dead ends: 278 [2020-07-20 11:32:56,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 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 11:32:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-20 11:32:56,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-20 11:32:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-20 11:32:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-20 11:32:56,846 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 115 [2020-07-20 11:32:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:32:56,849 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-20 11:32:56,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:32:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-20 11:32:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 11:32:56,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:32:56,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:32:57,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:32:57,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:32:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:32:57,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2020-07-20 11:32:57,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:32:57,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332708233] [2020-07-20 11:32:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:32:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:32:57,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:32:57,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:32:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:32:57,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:32:57,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332708233] [2020-07-20 11:32:57,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:32:57,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:32:57,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058592593] [2020-07-20 11:32:57,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:32:57,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:32:57,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:32:57,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:32:57,232 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-20 11:32:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:32:58,105 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2020-07-20 11:32:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:32:58,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-07-20 11:32:58,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:32:58,115 INFO L225 Difference]: With dead ends: 842 [2020-07-20 11:32:58,115 INFO L226 Difference]: Without dead ends: 570 [2020-07-20 11:32:58,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:32:58,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-20 11:32:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-20 11:32:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-20 11:32:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-20 11:32:58,155 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 125 [2020-07-20 11:32:58,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:32:58,156 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-20 11:32:58,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:32:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-20 11:32:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-20 11:32:58,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:32:58,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:32:58,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:32:58,374 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:32:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:32:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2020-07-20 11:32:58,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:32:58,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342697988] [2020-07-20 11:32:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:32:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:32:58,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:32:58,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:32:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:32:58,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:32:58,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342697988] [2020-07-20 11:32:58,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:32:58,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:32:58,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544627267] [2020-07-20 11:32:58,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:32:58,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:32:58,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:32:58,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:32:58,526 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-20 11:32:59,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:32:59,111 INFO L93 Difference]: Finished difference Result 1650 states and 2372 transitions. [2020-07-20 11:32:59,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:32:59,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-20 11:32:59,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:32:59,120 INFO L225 Difference]: With dead ends: 1650 [2020-07-20 11:32:59,120 INFO L226 Difference]: Without dead ends: 1100 [2020-07-20 11:32:59,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 11:32:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-20 11:32:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-20 11:32:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-20 11:32:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1419 transitions. [2020-07-20 11:32:59,168 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1419 transitions. Word has length 126 [2020-07-20 11:32:59,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:32:59,168 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1419 transitions. [2020-07-20 11:32:59,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:32:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1419 transitions. [2020-07-20 11:32:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 11:32:59,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:32:59,173 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:32:59,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:32:59,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:32:59,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:32:59,388 INFO L82 PathProgramCache]: Analyzing trace with hash 475291139, now seen corresponding path program 1 times [2020-07-20 11:32:59,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:32:59,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701258461] [2020-07-20 11:32:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:32:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:32:59,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:32:59,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:32:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:32:59,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:32:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:32:59,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701258461] [2020-07-20 11:32:59,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:32:59,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:32:59,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522337370] [2020-07-20 11:32:59,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:32:59,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:32:59,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:32:59,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:32:59,684 INFO L87 Difference]: Start difference. First operand 1100 states and 1419 transitions. Second operand 7 states. [2020-07-20 11:33:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:01,180 INFO L93 Difference]: Finished difference Result 3362 states and 4642 transitions. [2020-07-20 11:33:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:33:01,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-20 11:33:01,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:01,196 INFO L225 Difference]: With dead ends: 3362 [2020-07-20 11:33:01,197 INFO L226 Difference]: Without dead ends: 2268 [2020-07-20 11:33:01,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:33:01,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2020-07-20 11:33:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2071. [2020-07-20 11:33:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-07-20 11:33:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2709 transitions. [2020-07-20 11:33:01,285 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2709 transitions. Word has length 146 [2020-07-20 11:33:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:01,285 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2709 transitions. [2020-07-20 11:33:01,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:33:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2709 transitions. [2020-07-20 11:33:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 11:33:01,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:01,292 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:01,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:01,507 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:01,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:01,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1857565813, now seen corresponding path program 1 times [2020-07-20 11:33:01,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:01,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525425128] [2020-07-20 11:33:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:33:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:01,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:01,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 11:33:01,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:01,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525425128] [2020-07-20 11:33:01,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:01,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:01,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047264004] [2020-07-20 11:33:01,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:01,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:01,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:01,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:01,657 INFO L87 Difference]: Start difference. First operand 2071 states and 2709 transitions. Second operand 3 states. [2020-07-20 11:33:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:02,268 INFO L93 Difference]: Finished difference Result 5502 states and 7364 transitions. [2020-07-20 11:33:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:02,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 11:33:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:02,291 INFO L225 Difference]: With dead ends: 5502 [2020-07-20 11:33:02,291 INFO L226 Difference]: Without dead ends: 3441 [2020-07-20 11:33:02,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 11:33:02,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2020-07-20 11:33:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3304. [2020-07-20 11:33:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2020-07-20 11:33:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4339 transitions. [2020-07-20 11:33:02,430 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4339 transitions. Word has length 150 [2020-07-20 11:33:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:02,431 INFO L479 AbstractCegarLoop]: Abstraction has 3304 states and 4339 transitions. [2020-07-20 11:33:02,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4339 transitions. [2020-07-20 11:33:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 11:33:02,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:02,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:02,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:02,657 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:02,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash -469327528, now seen corresponding path program 1 times [2020-07-20 11:33:02,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:02,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867280222] [2020-07-20 11:33:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:33:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:02,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:02,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:02,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:02,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867280222] [2020-07-20 11:33:02,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:02,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:02,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385792207] [2020-07-20 11:33:02,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:02,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:02,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:02,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:02,806 INFO L87 Difference]: Start difference. First operand 3304 states and 4339 transitions. Second operand 3 states. [2020-07-20 11:33:03,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:03,504 INFO L93 Difference]: Finished difference Result 9463 states and 12663 transitions. [2020-07-20 11:33:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:03,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 11:33:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:03,540 INFO L225 Difference]: With dead ends: 9463 [2020-07-20 11:33:03,549 INFO L226 Difference]: Without dead ends: 6169 [2020-07-20 11:33:03,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 11:33:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6169 states. [2020-07-20 11:33:03,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6169 to 5629. [2020-07-20 11:33:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5629 states. [2020-07-20 11:33:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 5629 states and 7430 transitions. [2020-07-20 11:33:03,745 INFO L78 Accepts]: Start accepts. Automaton has 5629 states and 7430 transitions. Word has length 149 [2020-07-20 11:33:03,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:03,746 INFO L479 AbstractCegarLoop]: Abstraction has 5629 states and 7430 transitions. [2020-07-20 11:33:03,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 7430 transitions. [2020-07-20 11:33:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 11:33:03,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:03,773 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:03,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:03,987 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:03,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:03,987 INFO L82 PathProgramCache]: Analyzing trace with hash 974025645, now seen corresponding path program 1 times [2020-07-20 11:33:03,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:03,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406439207] [2020-07-20 11:33:03,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:33:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:04,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:04,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:33:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:04,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406439207] [2020-07-20 11:33:04,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:33:04,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 11:33:04,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005450006] [2020-07-20 11:33:04,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:33:04,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:04,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:33:04,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:33:04,213 INFO L87 Difference]: Start difference. First operand 5629 states and 7430 transitions. Second operand 6 states. [2020-07-20 11:33:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:05,061 INFO L93 Difference]: Finished difference Result 10095 states and 13389 transitions. [2020-07-20 11:33:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:33:05,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-20 11:33:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:05,091 INFO L225 Difference]: With dead ends: 10095 [2020-07-20 11:33:05,091 INFO L226 Difference]: Without dead ends: 5955 [2020-07-20 11:33:05,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:33:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2020-07-20 11:33:05,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5260. [2020-07-20 11:33:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5260 states. [2020-07-20 11:33:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 5260 states and 6833 transitions. [2020-07-20 11:33:05,258 INFO L78 Accepts]: Start accepts. Automaton has 5260 states and 6833 transitions. Word has length 165 [2020-07-20 11:33:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:05,259 INFO L479 AbstractCegarLoop]: Abstraction has 5260 states and 6833 transitions. [2020-07-20 11:33:05,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:33:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5260 states and 6833 transitions. [2020-07-20 11:33:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 11:33:05,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:05,276 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, 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] [2020-07-20 11:33:05,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:05,490 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1855551297, now seen corresponding path program 1 times [2020-07-20 11:33:05,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:05,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238958126] [2020-07-20 11:33:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:33:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:05,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:05,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:05,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:33:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:05,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238958126] [2020-07-20 11:33:05,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:33:05,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:33:05,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285671170] [2020-07-20 11:33:05,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:33:05,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:05,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:33:05,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:33:05,792 INFO L87 Difference]: Start difference. First operand 5260 states and 6833 transitions. Second operand 7 states. [2020-07-20 11:33:07,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:07,443 INFO L93 Difference]: Finished difference Result 14103 states and 18938 transitions. [2020-07-20 11:33:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:33:07,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-07-20 11:33:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:07,493 INFO L225 Difference]: With dead ends: 14103 [2020-07-20 11:33:07,493 INFO L226 Difference]: Without dead ends: 8853 [2020-07-20 11:33:07,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:33:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2020-07-20 11:33:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 7065. [2020-07-20 11:33:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7065 states. [2020-07-20 11:33:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 9028 transitions. [2020-07-20 11:33:07,720 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 9028 transitions. Word has length 175 [2020-07-20 11:33:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:07,720 INFO L479 AbstractCegarLoop]: Abstraction has 7065 states and 9028 transitions. [2020-07-20 11:33:07,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:33:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 9028 transitions. [2020-07-20 11:33:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 11:33:07,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:07,742 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-20 11:33:07,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:07,956 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:07,957 INFO L82 PathProgramCache]: Analyzing trace with hash 488984115, now seen corresponding path program 1 times [2020-07-20 11:33:07,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:07,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786206798] [2020-07-20 11:33:07,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:33:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:08,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:08,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 11:33:08,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:33:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 11:33:08,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786206798] [2020-07-20 11:33:08,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:33:08,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 11:33:08,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345912433] [2020-07-20 11:33:08,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:33:08,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:08,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:33:08,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:33:08,185 INFO L87 Difference]: Start difference. First operand 7065 states and 9028 transitions. Second operand 6 states. [2020-07-20 11:33:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:09,450 INFO L93 Difference]: Finished difference Result 15073 states and 20225 transitions. [2020-07-20 11:33:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:33:09,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2020-07-20 11:33:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:09,500 INFO L225 Difference]: With dead ends: 15073 [2020-07-20 11:33:09,501 INFO L226 Difference]: Without dead ends: 8558 [2020-07-20 11:33:09,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 386 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 11:33:09,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-07-20 11:33:09,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 7756. [2020-07-20 11:33:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-07-20 11:33:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 9748 transitions. [2020-07-20 11:33:09,794 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 9748 transitions. Word has length 195 [2020-07-20 11:33:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:09,795 INFO L479 AbstractCegarLoop]: Abstraction has 7756 states and 9748 transitions. [2020-07-20 11:33:09,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:33:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 9748 transitions. [2020-07-20 11:33:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 11:33:09,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:09,820 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 11:33:10,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:10,036 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:10,037 INFO L82 PathProgramCache]: Analyzing trace with hash -316968591, now seen corresponding path program 1 times [2020-07-20 11:33:10,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:10,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97895911] [2020-07-20 11:33:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:10,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:10,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-20 11:33:10,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:10,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97895911] [2020-07-20 11:33:10,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:10,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:10,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611669514] [2020-07-20 11:33:10,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:10,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:10,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:10,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:10,236 INFO L87 Difference]: Start difference. First operand 7756 states and 9748 transitions. Second operand 3 states. [2020-07-20 11:33:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:10,880 INFO L93 Difference]: Finished difference Result 13326 states and 16757 transitions. [2020-07-20 11:33:10,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:10,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-07-20 11:33:10,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:10,881 INFO L225 Difference]: With dead ends: 13326 [2020-07-20 11:33:10,882 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:33:10,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 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 11:33:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:33:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:33:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:33:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:33:10,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-20 11:33:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:10,906 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:33:10,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:33:10,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:33:11,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:11,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:33:12,161 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-20 11:33:12,692 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-20 11:33:13,914 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 202 DAG size of output: 75 [2020-07-20 11:33:14,563 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-20 11:33:15,158 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-20 11:33:15,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:33:15,163 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= |old(~a16~0)| ~a16~0)) [2020-07-20 11:33:15,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:33:15,163 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 11:33:15,163 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,164 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,165 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 11:33:15,166 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 11:33:15,167 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,168 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 11:33:15,169 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,170 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 11:33:15,171 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,172 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 11:33:15,173 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,174 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 11:33:15,175 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 11:33:15,176 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 11:33:15,177 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 11:33:15,178 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= 15 |old(~a8~0)|))) (.cse14 (not (<= |old(~a7~0)| 0))) (.cse13 (<= ~a7~0 0)) (.cse1 (<= ~a8~0 |old(~a8~0)|)) (.cse11 (not (<= |old(~a8~0)| 14))) (.cse12 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse9 (not (<= |old(~a8~0)| 13))) (.cse4 (not (<= |old(~a20~0)| 0))) (.cse15 (not (<= |old(~a16~0)| 4))) (.cse6 (<= ~a17~0 0)) (.cse8 (<= ~a8~0 14)) (.cse2 (<= ~a16~0 |old(~a16~0)|)) (.cse16 (<= ~a8~0 13)) (.cse3 (<= |old(~a16~0)| ~a16~0)) (.cse5 (<= ~a20~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (<= 15 ~a8~0))) (or .cse0 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (and .cse2 .cse6 (<= 5 ~a16~0) .cse8) (let ((.cse10 (not (<= 5 |old(~a16~0)|)))) (and (or .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse10 .cse7)))) (or .cse0 .cse13 .cse14) (or (and (or .cse14 .cse11 .cse15) (or .cse11 .cse14 .cse4 .cse7) (or .cse14 .cse9)) (and (or (and .cse2 .cse13 .cse8 (<= ~a16~0 4)) (and .cse2 .cse6 .cse13 .cse5 .cse8) (and .cse2 .cse16 .cse13)) .cse3)) (or .cse9 (and .cse1 .cse2 .cse3)) (or (and (or .cse11 .cse12 .cse4 .cse7) (or .cse9 .cse4 .cse15)) (and .cse2 .cse3 .cse6 .cse5 .cse8) (and .cse2 .cse16 .cse3 .cse5)))) [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,179 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 11:33:15,180 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 11:33:15,181 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 11:33:15,182 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 11:33:15,183 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 11:33:15,184 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 11:33:15,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:33:15,185 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-20 11:33:15,185 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:33:15,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:33:15,185 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0))) [2020-07-20 11:33:15,185 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:33:15,186 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-20 11:33:15,186 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 11:33:15,186 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 11:33:15,186 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-20 11:33:15,186 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:33:15,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:33:15 BoogieIcfgContainer [2020-07-20 11:33:15,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:33:15,213 INFO L168 Benchmark]: Toolchain (without parser) took 22163.34 ms. Allocated memory was 145.2 MB in the beginning and 551.6 MB in the end (delta: 406.3 MB). Free memory was 101.1 MB in the beginning and 350.4 MB in the end (delta: -249.3 MB). Peak memory consumption was 436.6 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,214 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.30 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 171.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,216 INFO L168 Benchmark]: Boogie Preprocessor took 107.05 ms. Allocated memory is still 205.0 MB. Free memory was 171.8 MB in the beginning and 166.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,217 INFO L168 Benchmark]: RCFGBuilder took 1286.49 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 180.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,218 INFO L168 Benchmark]: TraceAbstraction took 19990.27 ms. Allocated memory was 238.0 MB in the beginning and 551.6 MB in the end (delta: 313.5 MB). Free memory was 180.2 MB in the beginning and 350.4 MB in the end (delta: -170.2 MB). Peak memory consumption was 422.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:15,221 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 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.30 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 171.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.05 ms. Allocated memory is still 205.0 MB. Free memory was 171.8 MB in the beginning and 166.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.49 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 180.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19990.27 ms. Allocated memory was 238.0 MB in the beginning and 551.6 MB in the end (delta: 313.5 MB). Free memory was 180.2 MB in the beginning and 350.4 MB in the end (delta: -170.2 MB). Peak memory consumption was 422.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((a8 <= 13 || !(15 <= \old(a8))) || ((a17 <= 0 && a20 <= 0) && a16 <= 4)) || !(\old(a7) <= 0)) || 15 <= a8) || !(\old(a16) <= 5)) || ((a17 <= 0 && a16 <= 5) && 5 <= a16)) || ((a17 <= 0 && a7 <= 0) && a20 <= 0)) || !(5 <= \old(a16))) || (a7 <= 0 && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 893 SDtfs, 2717 SDslu, 317 SDs, 0 SdLazy, 6704 SolverSat, 1027 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2250 GetRequests, 2205 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7756occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 4173 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 272 PreInvPairs, 386 NumberOfFragments, 438 HoareAnnotationTreeSize, 272 FomulaSimplifications, 44345 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9121 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 646031 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4380 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 964/980 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...