/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:13:41,057 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 20:13:41,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:13:41,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:13:41,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:13:41,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:13:41,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:13:41,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:13:41,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:13:41,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:13:41,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:13:41,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:13:41,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:13:41,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:13:41,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:13:41,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:13:41,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:13:41,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:13:41,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:13:41,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:13:41,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:13:41,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:13:41,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:13:41,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:13:41,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:13:41,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:13:41,157 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 [2020-07-21 20:13:41,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:13:41,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:13:41,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:13:41,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:13:41,182 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:13:41,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:13:41,183 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:13:41,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:13:41,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:13:41,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:13:41,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:13:41,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:13:41,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:13:41,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:13:41,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:13:41,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:13:41,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:13:41,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:13:41,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:13:41,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:13:41,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:13:41,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:13:41,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:13:41,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:13:41,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:13:41,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:13:41,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:13:41,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:13:41,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:13:41,541 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:13:41,542 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-21 20:13:41,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1db48f77/74a7603299544b3f821c96c559a01156/FLAGf999477ae [2020-07-21 20:13:42,263 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:13:42,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-21 20:13:42,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1db48f77/74a7603299544b3f821c96c559a01156/FLAGf999477ae [2020-07-21 20:13:42,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1db48f77/74a7603299544b3f821c96c559a01156 [2020-07-21 20:13:42,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:13:42,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:13:42,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:13:42,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:13:42,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:13:42,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:13:42" (1/1) ... [2020-07-21 20:13:42,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e0f48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:42, skipping insertion in model container [2020-07-21 20:13:42,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:13:42" (1/1) ... [2020-07-21 20:13:42,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:13:42,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:13:43,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:13:43,432 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:13:43,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:13:43,651 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:13:43,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43 WrapperNode [2020-07-21 20:13:43,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:13:43,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:13:43,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:13:43,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:13:43,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (1/1) ... [2020-07-21 20:13:43,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:13:43,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:13:43,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:13:43,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:13:43,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (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 [2020-07-21 20:13:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:13:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:13:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:13:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:13:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:13:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:13:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:13:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:13:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:13:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:13:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:13:45,911 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:13:45,911 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:13:45,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:13:45 BoogieIcfgContainer [2020-07-21 20:13:45,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:13:45,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:13:45,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:13:45,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:13:45,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:13:42" (1/3) ... [2020-07-21 20:13:45,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af56a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:13:45, skipping insertion in model container [2020-07-21 20:13:45,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:13:43" (2/3) ... [2020-07-21 20:13:45,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af56a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:13:45, skipping insertion in model container [2020-07-21 20:13:45,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:13:45" (3/3) ... [2020-07-21 20:13:45,929 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-07-21 20:13:45,942 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:13:45,951 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:13:45,965 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:13:45,995 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:13:45,995 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:13:45,996 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:13:45,996 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:13:45,996 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:13:45,996 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:13:45,996 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:13:45,997 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:13:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-21 20:13:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-21 20:13:46,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:46,035 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] [2020-07-21 20:13:46,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:46,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-07-21 20:13:46,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:46,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775865775] [2020-07-21 20:13:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:46,250 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:46,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:46,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:13:46,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:13:46,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:46,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775865775] [2020-07-21 20:13:46,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:46,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:13:46,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720692842] [2020-07-21 20:13:46,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:13:46,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:46,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:13:46,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:46,378 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2020-07-21 20:13:48,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:48,064 INFO L93 Difference]: Finished difference Result 788 states and 1383 transitions. [2020-07-21 20:13:48,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:13:48,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-21 20:13:48,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:48,086 INFO L225 Difference]: With dead ends: 788 [2020-07-21 20:13:48,086 INFO L226 Difference]: Without dead ends: 434 [2020-07-21 20:13:48,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:48,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-21 20:13:48,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-21 20:13:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-21 20:13:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 640 transitions. [2020-07-21 20:13:48,187 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 640 transitions. Word has length 40 [2020-07-21 20:13:48,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:48,187 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 640 transitions. [2020-07-21 20:13:48,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:13:48,188 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 640 transitions. [2020-07-21 20:13:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-21 20:13:48,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:48,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:13:48,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:48,398 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:48,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:48,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1781272370, now seen corresponding path program 1 times [2020-07-21 20:13:48,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:48,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214629471] [2020-07-21 20:13:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:48,501 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:48,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:48,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:13:48,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:13:48,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:48,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214629471] [2020-07-21 20:13:48,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:48,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:13:48,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795636202] [2020-07-21 20:13:48,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:13:48,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:48,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:13:48,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:13:48,559 INFO L87 Difference]: Start difference. First operand 424 states and 640 transitions. Second operand 5 states. [2020-07-21 20:13:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:50,581 INFO L93 Difference]: Finished difference Result 1253 states and 1925 transitions. [2020-07-21 20:13:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:13:50,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-07-21 20:13:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:50,591 INFO L225 Difference]: With dead ends: 1253 [2020-07-21 20:13:50,591 INFO L226 Difference]: Without dead ends: 835 [2020-07-21 20:13:50,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:13:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-07-21 20:13:50,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 823. [2020-07-21 20:13:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-07-21 20:13:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1135 transitions. [2020-07-21 20:13:50,656 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1135 transitions. Word has length 110 [2020-07-21 20:13:50,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:50,657 INFO L479 AbstractCegarLoop]: Abstraction has 823 states and 1135 transitions. [2020-07-21 20:13:50,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:13:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1135 transitions. [2020-07-21 20:13:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-21 20:13:50,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:50,666 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:13:50,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:50,867 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash 415326854, now seen corresponding path program 1 times [2020-07-21 20:13:50,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:50,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250304399] [2020-07-21 20:13:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:50,967 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:50,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:50,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:13:50,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:13:51,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:51,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250304399] [2020-07-21 20:13:51,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:51,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:13:51,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209513092] [2020-07-21 20:13:51,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:13:51,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:51,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:13:51,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:51,005 INFO L87 Difference]: Start difference. First operand 823 states and 1135 transitions. Second operand 3 states. [2020-07-21 20:13:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:52,147 INFO L93 Difference]: Finished difference Result 2033 states and 2873 transitions. [2020-07-21 20:13:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:13:52,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-07-21 20:13:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:52,156 INFO L225 Difference]: With dead ends: 2033 [2020-07-21 20:13:52,156 INFO L226 Difference]: Without dead ends: 1216 [2020-07-21 20:13:52,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-07-21 20:13:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1204. [2020-07-21 20:13:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-21 20:13:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1679 transitions. [2020-07-21 20:13:52,200 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1679 transitions. Word has length 114 [2020-07-21 20:13:52,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:52,201 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1679 transitions. [2020-07-21 20:13:52,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:13:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1679 transitions. [2020-07-21 20:13:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-21 20:13:52,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:52,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:13:52,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:52,419 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:52,420 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-07-21 20:13:52,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:52,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329920325] [2020-07-21 20:13:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:52,565 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:52,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:52,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:13:52,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:13:52,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:52,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329920325] [2020-07-21 20:13:52,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:52,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:13:52,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692696847] [2020-07-21 20:13:52,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:13:52,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:52,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:13:52,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:52,619 INFO L87 Difference]: Start difference. First operand 1204 states and 1679 transitions. Second operand 3 states. [2020-07-21 20:13:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:53,821 INFO L93 Difference]: Finished difference Result 3542 states and 5057 transitions. [2020-07-21 20:13:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:13:53,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-21 20:13:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:53,842 INFO L225 Difference]: With dead ends: 3542 [2020-07-21 20:13:53,842 INFO L226 Difference]: Without dead ends: 2344 [2020-07-21 20:13:53,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2020-07-21 20:13:53,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2342. [2020-07-21 20:13:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-07-21 20:13:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3225 transitions. [2020-07-21 20:13:53,935 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3225 transitions. Word has length 120 [2020-07-21 20:13:53,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:53,937 INFO L479 AbstractCegarLoop]: Abstraction has 2342 states and 3225 transitions. [2020-07-21 20:13:53,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:13:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3225 transitions. [2020-07-21 20:13:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-21 20:13:53,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:53,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:13:54,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:54,158 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:54,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:54,159 INFO L82 PathProgramCache]: Analyzing trace with hash 914687114, now seen corresponding path program 1 times [2020-07-21 20:13:54,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:54,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813761] [2020-07-21 20:13:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:54,260 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:54,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:54,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:13:54,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:13:54,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:54,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813761] [2020-07-21 20:13:54,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:54,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:13:54,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635588119] [2020-07-21 20:13:54,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:13:54,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:54,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:13:54,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:54,314 INFO L87 Difference]: Start difference. First operand 2342 states and 3225 transitions. Second operand 3 states. [2020-07-21 20:13:55,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:55,605 INFO L93 Difference]: Finished difference Result 5440 states and 7612 transitions. [2020-07-21 20:13:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:13:55,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-07-21 20:13:55,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:55,631 INFO L225 Difference]: With dead ends: 5440 [2020-07-21 20:13:55,631 INFO L226 Difference]: Without dead ends: 3104 [2020-07-21 20:13:55,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:55,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2020-07-21 20:13:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2909. [2020-07-21 20:13:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2909 states. [2020-07-21 20:13:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4076 transitions. [2020-07-21 20:13:55,724 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4076 transitions. Word has length 128 [2020-07-21 20:13:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:55,724 INFO L479 AbstractCegarLoop]: Abstraction has 2909 states and 4076 transitions. [2020-07-21 20:13:55,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:13:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4076 transitions. [2020-07-21 20:13:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-21 20:13:55,731 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:55,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 20:13:55,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:55,946 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:55,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1007038762, now seen corresponding path program 1 times [2020-07-21 20:13:55,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:55,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286166221] [2020-07-21 20:13:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:56,100 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:56,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:56,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 20:13:56,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:56,149 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:13:56,153 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:13:56,223 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:13:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-21 20:13:56,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:56,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286166221] [2020-07-21 20:13:56,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:56,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:13:56,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428552908] [2020-07-21 20:13:56,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:13:56,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:56,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:13:56,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:13:56,311 INFO L87 Difference]: Start difference. First operand 2909 states and 4076 transitions. Second operand 5 states. [2020-07-21 20:13:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:13:58,088 INFO L93 Difference]: Finished difference Result 6654 states and 9369 transitions. [2020-07-21 20:13:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:13:58,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-21 20:13:58,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:13:58,113 INFO L225 Difference]: With dead ends: 6654 [2020-07-21 20:13:58,113 INFO L226 Difference]: Without dead ends: 3751 [2020-07-21 20:13:58,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:13:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2020-07-21 20:13:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3154. [2020-07-21 20:13:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3154 states. [2020-07-21 20:13:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4388 transitions. [2020-07-21 20:13:58,247 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4388 transitions. Word has length 215 [2020-07-21 20:13:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:13:58,247 INFO L479 AbstractCegarLoop]: Abstraction has 3154 states and 4388 transitions. [2020-07-21 20:13:58,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:13:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4388 transitions. [2020-07-21 20:13:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-21 20:13:58,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:13:58,254 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 20:13:58,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:58,468 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:13:58,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:13:58,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-07-21 20:13:58,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:13:58,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558248950] [2020-07-21 20:13:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:13:58,617 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:13:58,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:13:58,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:13:58,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:13:58,634 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:13:58,636 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 20:13:58,636 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 20:13:58,639 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:13:58,640 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:13:58,642 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:13:58,644 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:13:58,645 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 20:13:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-21 20:13:59,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:13:59,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558248950] [2020-07-21 20:13:59,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:13:59,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:13:59,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488761769] [2020-07-21 20:13:59,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:13:59,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:13:59,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:13:59,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:13:59,104 INFO L87 Difference]: Start difference. First operand 3154 states and 4388 transitions. Second operand 3 states. [2020-07-21 20:14:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:14:01,154 INFO L93 Difference]: Finished difference Result 7634 states and 11076 transitions. [2020-07-21 20:14:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:14:01,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-07-21 20:14:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:14:01,176 INFO L225 Difference]: With dead ends: 7634 [2020-07-21 20:14:01,177 INFO L226 Difference]: Without dead ends: 4486 [2020-07-21 20:14:01,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:14:01,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2020-07-21 20:14:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4296. [2020-07-21 20:14:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4296 states. [2020-07-21 20:14:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 5879 transitions. [2020-07-21 20:14:01,312 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 5879 transitions. Word has length 267 [2020-07-21 20:14:01,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:14:01,313 INFO L479 AbstractCegarLoop]: Abstraction has 4296 states and 5879 transitions. [2020-07-21 20:14:01,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:14:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 5879 transitions. [2020-07-21 20:14:01,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-07-21 20:14:01,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:14:01,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:14:01,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:14:01,536 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:14:01,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:14:01,537 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-07-21 20:14:01,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:14:01,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015204366] [2020-07-21 20:14:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:14:01,762 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:14:01,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:14:01,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:14:01,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:14:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 20:14:01,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:14:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 20:14:02,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015204366] [2020-07-21 20:14:02,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:14:02,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-07-21 20:14:02,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844799522] [2020-07-21 20:14:02,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:14:02,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:14:02,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:14:02,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:14:02,033 INFO L87 Difference]: Start difference. First operand 4296 states and 5879 transitions. Second operand 5 states. [2020-07-21 20:14:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:14:03,994 INFO L93 Difference]: Finished difference Result 10101 states and 15390 transitions. [2020-07-21 20:14:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 20:14:03,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-07-21 20:14:03,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:14:04,045 INFO L225 Difference]: With dead ends: 10101 [2020-07-21 20:14:04,046 INFO L226 Difference]: Without dead ends: 5811 [2020-07-21 20:14:04,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 550 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:14:04,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5811 states. [2020-07-21 20:14:04,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5811 to 5680. [2020-07-21 20:14:04,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5680 states. [2020-07-21 20:14:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5680 states to 5680 states and 7976 transitions. [2020-07-21 20:14:04,349 INFO L78 Accepts]: Start accepts. Automaton has 5680 states and 7976 transitions. Word has length 278 [2020-07-21 20:14:04,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:14:04,354 INFO L479 AbstractCegarLoop]: Abstraction has 5680 states and 7976 transitions. [2020-07-21 20:14:04,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:14:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 5680 states and 7976 transitions. [2020-07-21 20:14:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-21 20:14:04,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:14:04,374 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:14:04,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:14:04,589 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:14:04,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:14:04,590 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-07-21 20:14:04,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:14:04,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700779771] [2020-07-21 20:14:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:14:04,867 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:14:04,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:14:04,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:14:04,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:14:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-21 20:14:04,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:14:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-21 20:14:05,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700779771] [2020-07-21 20:14:05,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:14:05,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:14:05,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091864072] [2020-07-21 20:14:05,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:14:05,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:14:05,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:14:05,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:14:05,176 INFO L87 Difference]: Start difference. First operand 5680 states and 7976 transitions. Second operand 7 states. [2020-07-21 20:14:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:14:07,102 INFO L93 Difference]: Finished difference Result 11222 states and 16209 transitions. [2020-07-21 20:14:07,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:14:07,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-07-21 20:14:07,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:14:07,104 INFO L225 Difference]: With dead ends: 11222 [2020-07-21 20:14:07,104 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:14:07,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:14:07,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:14:07,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:14:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:14:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:14:07,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2020-07-21 20:14:07,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:14:07,150 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:14:07,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:14:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:14:07,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:14:07,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:14:07,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:14:08,843 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 68 [2020-07-21 20:14:08,960 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-07-21 20:14:09,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:14:09,052 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a23~0)| ~a23~0) (<= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) [2020-07-21 20:14:09,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:14:09,053 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-21 20:14:09,053 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-21 20:14:09,053 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-07-21 20:14:09,053 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,053 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,054 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,055 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,056 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-21 20:14:09,057 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,058 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-21 20:14:09,059 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-07-21 20:14:09,060 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,061 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,062 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,063 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-07-21 20:14:09,064 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,065 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,066 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse6 (<= |old(~a23~0)| ~a23~0)) (.cse7 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 1 ~a4~0))) (let ((.cse3 (and .cse6 .cse7 .cse11)) (.cse8 (not (<= |old(~a25~0)| 10))) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a25~0 12)) (.cse0 (not (<= |old(~a4~0)| 0))) (.cse12 (not (<= |old(~a25~0)| 12))) (.cse1 (not (<= |old(~a25~0)| 11))) (.cse2 (<= ~a25~0 11)) (.cse4 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (forall ((v_~a23~0_480 Int)) (let ((.cse5 (div v_~a23~0_480 5))) (or (not (< 306 v_~a23~0_480)) (not (= 0 (mod v_~a23~0_480 5))) (not (<= 0 (* 4 .cse5))) (not (<= (+ (mod (* .cse5 4) 83) 180) |old(~a23~0)|)))))) (or .cse0 (and .cse6 .cse7 (= ~a4~0 |old(~a4~0)|))) (or .cse3 (not (<= |old(~a29~0)| 245)) .cse4) (or .cse8 .cse9 .cse4) (or .cse8 .cse9 .cse0) (or (and .cse6 .cse10 .cse7 .cse11) .cse12 .cse4) (or .cse10 .cse0 .cse12) (or .cse1 .cse2 .cse4)))) [2020-07-21 20:14:09,066 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,066 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 20:14:09,066 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-21 20:14:09,066 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-07-21 20:14:09,066 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-21 20:14:09,067 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,068 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,069 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-21 20:14:09,070 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-21 20:14:09,071 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-07-21 20:14:09,072 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-07-21 20:14:09,073 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,074 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,075 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-21 20:14:09,076 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-21 20:14:09,077 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-21 20:14:09,078 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-07-21 20:14:09,079 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-07-21 20:14:09,080 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-21 20:14:09,081 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,082 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-21 20:14:09,083 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,084 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-07-21 20:14:09,085 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-07-21 20:14:09,086 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,086 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,086 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-07-21 20:14:09,109 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,110 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,110 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-07-21 20:14:09,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:14:09,110 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= ~a29~0 130) (<= 312 ~a23~0) (= 1 ~a4~0)) [2020-07-21 20:14:09,110 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:14:09,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:14:09,111 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= |old(~a23~0)| ~a23~0) (<= ~a25~0 10) (<= ~a29~0 |old(~a29~0)|) (= 1 ~a4~0)) (not (= 1 |old(~a4~0)|))) [2020-07-21 20:14:09,111 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-07-21 20:14:09,111 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and (exists ((v_~a23~0_480 Int)) (let ((.cse1 (div v_~a23~0_480 5))) (and (<= (+ (mod (* .cse1 4) 83) 180) ~a23~0) (< 306 v_~a23~0_480) (<= 0 (* 4 .cse1)) (= 0 (mod v_~a23~0_480 5))))) .cse0) (<= ~a4~0 0) (and (<= ~a25~0 12) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-21 20:14:09,111 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-07-21 20:14:09,111 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-07-21 20:14:09,112 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and (exists ((v_~a23~0_480 Int)) (let ((.cse1 (div v_~a23~0_480 5))) (and (<= (+ (mod (* .cse1 4) 83) 180) ~a23~0) (< 306 v_~a23~0_480) (<= 0 (* 4 .cse1)) (= 0 (mod v_~a23~0_480 5))))) .cse0) (<= ~a4~0 0) (and (<= ~a25~0 12) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-21 20:14:09,112 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-07-21 20:14:09,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:14:09 BoogieIcfgContainer [2020-07-21 20:14:09,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:14:09,145 INFO L168 Benchmark]: Toolchain (without parser) took 26651.44 ms. Allocated memory was 146.3 MB in the beginning and 546.3 MB in the end (delta: 400.0 MB). Free memory was 99.9 MB in the beginning and 481.6 MB in the end (delta: -381.6 MB). Peak memory consumption was 368.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,146 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1156.74 ms. Allocated memory was 146.3 MB in the beginning and 211.8 MB in the end (delta: 65.5 MB). Free memory was 99.5 MB in the beginning and 165.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,148 INFO L168 Benchmark]: Boogie Preprocessor took 164.09 ms. Allocated memory is still 211.8 MB. Free memory was 165.3 MB in the beginning and 157.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,149 INFO L168 Benchmark]: RCFGBuilder took 2101.73 ms. Allocated memory was 211.8 MB in the beginning and 242.7 MB in the end (delta: 30.9 MB). Free memory was 157.3 MB in the beginning and 100.4 MB in the end (delta: 56.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,150 INFO L168 Benchmark]: TraceAbstraction took 23222.70 ms. Allocated memory was 242.7 MB in the beginning and 546.3 MB in the end (delta: 303.6 MB). Free memory was 100.4 MB in the beginning and 481.6 MB in the end (delta: -381.2 MB). Peak memory consumption was 272.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:14:09,154 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1156.74 ms. Allocated memory was 146.3 MB in the beginning and 211.8 MB in the end (delta: 65.5 MB). Free memory was 99.5 MB in the beginning and 165.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.09 ms. Allocated memory is still 211.8 MB. Free memory was 165.3 MB in the beginning and 157.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2101.73 ms. Allocated memory was 211.8 MB in the beginning and 242.7 MB in the end (delta: 30.9 MB). Free memory was 157.3 MB in the beginning and 100.4 MB in the end (delta: 56.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23222.70 ms. Allocated memory was 242.7 MB in the beginning and 546.3 MB in the end (delta: 303.6 MB). Free memory was 100.4 MB in the beginning and 481.6 MB in the end (delta: -381.2 MB). Peak memory consumption was 272.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant [2020-07-21 20:14:09,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-21 20:14:09,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] Derived loop invariant: ((((((!(\old(a25) <= 10) || !(312 <= \old(a23))) || !(\old(a29) <= 130)) || (a29 <= 245 && 1 == a4)) || ((\exists v_~a23~0_480 : int :: ((v_~a23~0_480 / 5 * 4 % 83 + 180 <= a23 && 306 < v_~a23~0_480) && 0 <= 4 * (v_~a23~0_480 / 5)) && 0 == v_~a23~0_480 % 5) && 1 == a4)) || a4 <= 0) || (a25 <= 12 && 1 == a4)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 844 SDtfs, 3207 SDslu, 445 SDs, 0 SdLazy, 6439 SolverSat, 1509 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2225 GetRequests, 2194 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5680occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 1149 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 160 PreInvPairs, 254 NumberOfFragments, 350 HoareAnnotationTreeSize, 160 FomulaSimplifications, 7738 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2073 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1608 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2211 ConstructedInterpolants, 36 QuantifiedInterpolants, 1547212 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3241 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1451/1489 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...