/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:54:02,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:54:02,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:54:02,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:54:02,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:54:02,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:54:02,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:54:02,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:54:02,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:54:02,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:54:02,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:54:02,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:54:02,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:54:02,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:54:02,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:54:02,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:54:02,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:54:02,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:54:02,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:54:02,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:54:02,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:54:02,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:54:02,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:54:02,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:54:02,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:54:02,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:54:02,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:54:02,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:54:02,244 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 [2020-08-22 16:54:02,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:54:02,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:54:02,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:54:02,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:54:02,278 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:54:02,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:54:02,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:54:02,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:54:02,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:54:02,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:54:02,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:54:02,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:54:02,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:54:02,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:54:02,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:54:02,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:54:02,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:54:02,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:54:02,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:54:02,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:54:02,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:54:02,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:54:02,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:54:02,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:54:02,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:54:02,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:54:02,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:54:02,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:54:02,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:54:02,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:54:02,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:54:02,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:54:02,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:54:02,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:54:02,601 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:54:02,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-08-22 16:54:02,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83905d994/2de361f4cc9e46e4aae42cb8efb9a7e7/FLAG06996ca2e [2020-08-22 16:54:03,243 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:54:03,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-08-22 16:54:03,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83905d994/2de361f4cc9e46e4aae42cb8efb9a7e7/FLAG06996ca2e [2020-08-22 16:54:03,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83905d994/2de361f4cc9e46e4aae42cb8efb9a7e7 [2020-08-22 16:54:03,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:54:03,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:54:03,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:03,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:54:03,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:54:03,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:03" (1/1) ... [2020-08-22 16:54:03,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dbbcc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:03, skipping insertion in model container [2020-08-22 16:54:03,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:03" (1/1) ... [2020-08-22 16:54:03,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:54:03,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:54:04,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:04,037 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:54:04,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:04,358 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:54:04,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04 WrapperNode [2020-08-22 16:54:04,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:04,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:54:04,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:54:04,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:54:04,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:54:04,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:54:04,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:54:04,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:54:04,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (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 [2020-08-22 16:54:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:54:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:54:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:54:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:54:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:54:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:54:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:54:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:54:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:54:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:54:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:54:06,142 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:54:06,142 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:54:06,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:06 BoogieIcfgContainer [2020-08-22 16:54:06,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:54:06,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:54:06,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:54:06,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:54:06,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:54:03" (1/3) ... [2020-08-22 16:54:06,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1d5131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:06, skipping insertion in model container [2020-08-22 16:54:06,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (2/3) ... [2020-08-22 16:54:06,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1d5131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:06, skipping insertion in model container [2020-08-22 16:54:06,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:06" (3/3) ... [2020-08-22 16:54:06,160 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-08-22 16:54:06,173 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:54:06,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:54:06,201 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:54:06,232 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:54:06,232 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:54:06,232 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:54:06,232 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:54:06,233 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:54:06,233 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:54:06,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:54:06,234 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:54:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-22 16:54:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 16:54:06,276 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:06,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:06,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2020-08-22 16:54:06,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:06,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875159528] [2020-08-22 16:54:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:06,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875159528] [2020-08-22 16:54:06,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:06,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:54:06,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629470504] [2020-08-22 16:54:06,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:54:06,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:06,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:54:06,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:54:06,752 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-22 16:54:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:09,510 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-08-22 16:54:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:54:09,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-08-22 16:54:09,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:09,533 INFO L225 Difference]: With dead ends: 886 [2020-08-22 16:54:09,534 INFO L226 Difference]: Without dead ends: 564 [2020-08-22 16:54:09,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-22 16:54:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-08-22 16:54:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-08-22 16:54:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-08-22 16:54:09,656 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 54 [2020-08-22 16:54:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:09,657 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-08-22 16:54:09,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:54:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-08-22 16:54:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-08-22 16:54:09,670 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:09,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:09,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:54:09,672 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:09,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:09,672 INFO L82 PathProgramCache]: Analyzing trace with hash -724645666, now seen corresponding path program 1 times [2020-08-22 16:54:09,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:09,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301336217] [2020-08-22 16:54:09,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:10,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301336217] [2020-08-22 16:54:10,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:10,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:54:10,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715092260] [2020-08-22 16:54:10,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:54:10,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:10,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:54:10,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:10,028 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 7 states. [2020-08-22 16:54:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:12,042 INFO L93 Difference]: Finished difference Result 1518 states and 2374 transitions. [2020-08-22 16:54:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:54:12,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-08-22 16:54:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:12,051 INFO L225 Difference]: With dead ends: 1518 [2020-08-22 16:54:12,052 INFO L226 Difference]: Without dead ends: 964 [2020-08-22 16:54:12,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-08-22 16:54:12,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 944. [2020-08-22 16:54:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-08-22 16:54:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1336 transitions. [2020-08-22 16:54:12,112 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1336 transitions. Word has length 148 [2020-08-22 16:54:12,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:12,113 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1336 transitions. [2020-08-22 16:54:12,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:54:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1336 transitions. [2020-08-22 16:54:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-22 16:54:12,126 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:12,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:12,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:54:12,127 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:12,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:12,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2026240930, now seen corresponding path program 1 times [2020-08-22 16:54:12,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:12,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954529481] [2020-08-22 16:54:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:12,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954529481] [2020-08-22 16:54:12,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:12,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:54:12,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449106578] [2020-08-22 16:54:12,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:54:12,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:12,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:54:12,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:12,471 INFO L87 Difference]: Start difference. First operand 944 states and 1336 transitions. Second operand 8 states. [2020-08-22 16:54:14,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:14,493 INFO L93 Difference]: Finished difference Result 2490 states and 3798 transitions. [2020-08-22 16:54:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:54:14,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-08-22 16:54:14,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:14,516 INFO L225 Difference]: With dead ends: 2490 [2020-08-22 16:54:14,516 INFO L226 Difference]: Without dead ends: 1552 [2020-08-22 16:54:14,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:54:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-08-22 16:54:14,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1518. [2020-08-22 16:54:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-08-22 16:54:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2119 transitions. [2020-08-22 16:54:14,617 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2119 transitions. Word has length 194 [2020-08-22 16:54:14,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:14,619 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 2119 transitions. [2020-08-22 16:54:14,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:54:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2119 transitions. [2020-08-22 16:54:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-22 16:54:14,627 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:14,627 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-08-22 16:54:14,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:54:14,628 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:14,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:14,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1200176176, now seen corresponding path program 1 times [2020-08-22 16:54:14,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:14,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142602275] [2020-08-22 16:54:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 16:54:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 94 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:54:14,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142602275] [2020-08-22 16:54:14,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065678603] [2020-08-22 16:54:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:15,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:15,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:15,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:15,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-08-22 16:54:15,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160652107] [2020-08-22 16:54:15,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:54:15,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:15,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:54:15,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:54:15,332 INFO L87 Difference]: Start difference. First operand 1518 states and 2119 transitions. Second operand 11 states. [2020-08-22 16:54:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:19,030 INFO L93 Difference]: Finished difference Result 4356 states and 6077 transitions. [2020-08-22 16:54:19,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 16:54:19,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 213 [2020-08-22 16:54:19,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:19,049 INFO L225 Difference]: With dead ends: 4356 [2020-08-22 16:54:19,049 INFO L226 Difference]: Without dead ends: 2844 [2020-08-22 16:54:19,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2020-08-22 16:54:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-08-22 16:54:19,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2834. [2020-08-22 16:54:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2834 states. [2020-08-22 16:54:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3628 transitions. [2020-08-22 16:54:19,153 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3628 transitions. Word has length 213 [2020-08-22 16:54:19,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:19,154 INFO L479 AbstractCegarLoop]: Abstraction has 2834 states and 3628 transitions. [2020-08-22 16:54:19,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:54:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3628 transitions. [2020-08-22 16:54:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-08-22 16:54:19,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:19,162 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-08-22 16:54:19,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:19,378 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:19,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:19,379 INFO L82 PathProgramCache]: Analyzing trace with hash -327478088, now seen corresponding path program 1 times [2020-08-22 16:54:19,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:19,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927795594] [2020-08-22 16:54:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 16:54:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 175 proven. 195 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:20,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927795594] [2020-08-22 16:54:20,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48187602] [2020-08-22 16:54:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:20,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 294 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-08-22 16:54:20,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:20,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-08-22 16:54:20,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988526052] [2020-08-22 16:54:20,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:54:20,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:20,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:54:20,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:20,731 INFO L87 Difference]: Start difference. First operand 2834 states and 3628 transitions. Second operand 12 states. [2020-08-22 16:54:26,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:26,636 INFO L93 Difference]: Finished difference Result 7076 states and 9213 transitions. [2020-08-22 16:54:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 16:54:26,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 326 [2020-08-22 16:54:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:26,661 INFO L225 Difference]: With dead ends: 7076 [2020-08-22 16:54:26,661 INFO L226 Difference]: Without dead ends: 4346 [2020-08-22 16:54:26,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=840, Unknown=0, NotChecked=0, Total=1056 [2020-08-22 16:54:26,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2020-08-22 16:54:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 4290. [2020-08-22 16:54:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4290 states. [2020-08-22 16:54:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4290 states to 4290 states and 4921 transitions. [2020-08-22 16:54:26,842 INFO L78 Accepts]: Start accepts. Automaton has 4290 states and 4921 transitions. Word has length 326 [2020-08-22 16:54:26,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:26,842 INFO L479 AbstractCegarLoop]: Abstraction has 4290 states and 4921 transitions. [2020-08-22 16:54:26,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:54:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 4921 transitions. [2020-08-22 16:54:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2020-08-22 16:54:26,860 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:26,861 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:27,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:27,074 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:27,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:27,075 INFO L82 PathProgramCache]: Analyzing trace with hash -456292219, now seen corresponding path program 1 times [2020-08-22 16:54:27,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:27,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131301549] [2020-08-22 16:54:27,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:54:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 417 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-08-22 16:54:27,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131301549] [2020-08-22 16:54:27,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767256045] [2020-08-22 16:54:27,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:27,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 420 proven. 2 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-08-22 16:54:28,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:28,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-08-22 16:54:28,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677381157] [2020-08-22 16:54:28,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:54:28,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:28,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:54:28,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:28,083 INFO L87 Difference]: Start difference. First operand 4290 states and 4921 transitions. Second operand 8 states. [2020-08-22 16:54:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:29,738 INFO L93 Difference]: Finished difference Result 9876 states and 11543 transitions. [2020-08-22 16:54:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:54:29,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 466 [2020-08-22 16:54:29,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:29,763 INFO L225 Difference]: With dead ends: 9876 [2020-08-22 16:54:29,763 INFO L226 Difference]: Without dead ends: 5774 [2020-08-22 16:54:29,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:54:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5774 states. [2020-08-22 16:54:29,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5774 to 5768. [2020-08-22 16:54:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5768 states. [2020-08-22 16:54:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 6700 transitions. [2020-08-22 16:54:29,905 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 6700 transitions. Word has length 466 [2020-08-22 16:54:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:29,906 INFO L479 AbstractCegarLoop]: Abstraction has 5768 states and 6700 transitions. [2020-08-22 16:54:29,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:54:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 6700 transitions. [2020-08-22 16:54:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-08-22 16:54:29,922 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:29,922 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:30,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:30,136 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1731849804, now seen corresponding path program 1 times [2020-08-22 16:54:30,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:30,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720258723] [2020-08-22 16:54:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-08-22 16:54:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 193 proven. 4 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-08-22 16:54:30,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720258723] [2020-08-22 16:54:30,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32828151] [2020-08-22 16:54:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:30,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:30,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-08-22 16:54:30,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:30,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-08-22 16:54:30,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836878936] [2020-08-22 16:54:30,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:30,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:30,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:30,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:54:30,921 INFO L87 Difference]: Start difference. First operand 5768 states and 6700 transitions. Second operand 3 states. [2020-08-22 16:54:31,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:31,848 INFO L93 Difference]: Finished difference Result 10444 states and 12309 transitions. [2020-08-22 16:54:31,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:31,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 479 [2020-08-22 16:54:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:31,879 INFO L225 Difference]: With dead ends: 10444 [2020-08-22 16:54:31,880 INFO L226 Difference]: Without dead ends: 6868 [2020-08-22 16:54:31,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:54:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6868 states. [2020-08-22 16:54:32,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6868 to 6502. [2020-08-22 16:54:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6502 states. [2020-08-22 16:54:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6502 states to 6502 states and 7610 transitions. [2020-08-22 16:54:32,042 INFO L78 Accepts]: Start accepts. Automaton has 6502 states and 7610 transitions. Word has length 479 [2020-08-22 16:54:32,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:32,043 INFO L479 AbstractCegarLoop]: Abstraction has 6502 states and 7610 transitions. [2020-08-22 16:54:32,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 6502 states and 7610 transitions. [2020-08-22 16:54:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2020-08-22 16:54:32,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:32,059 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:32,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:32,273 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:32,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1786598807, now seen corresponding path program 1 times [2020-08-22 16:54:32,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:32,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3080037] [2020-08-22 16:54:32,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-08-22 16:54:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 190 proven. 16 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2020-08-22 16:54:32,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3080037] [2020-08-22 16:54:32,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783664956] [2020-08-22 16:54:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:33,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:33,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-08-22 16:54:33,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:33,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:54:33,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705590379] [2020-08-22 16:54:33,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:33,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:33,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:33,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:33,193 INFO L87 Difference]: Start difference. First operand 6502 states and 7610 transitions. Second operand 3 states. [2020-08-22 16:54:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:34,104 INFO L93 Difference]: Finished difference Result 8326 states and 9821 transitions. [2020-08-22 16:54:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:34,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 490 [2020-08-22 16:54:34,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:34,107 INFO L225 Difference]: With dead ends: 8326 [2020-08-22 16:54:34,107 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:54:34,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:54:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:54:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:54:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:54:34,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 490 [2020-08-22 16:54:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:34,131 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:54:34,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:54:34,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:54:34,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:34,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:54:34,799 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 94 [2020-08-22 16:54:34,944 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 94 [2020-08-22 16:54:35,056 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2020-08-22 16:54:35,410 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 16:54:35,572 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 27 [2020-08-22 16:54:35,727 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 27 [2020-08-22 16:54:35,731 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:35,732 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-22 16:54:35,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:54:35,734 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,735 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-22 16:54:35,736 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-22 16:54:35,737 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,739 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,739 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,740 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-22 16:54:35,740 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:54:35,740 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:54:35,740 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:54:35,740 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-22 16:54:35,741 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-22 16:54:35,741 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-22 16:54:35,741 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:54:35,742 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:54:35,743 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:54:35,744 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:54:35,748 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,749 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-22 16:54:35,750 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,751 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,754 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,754 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:54:35,754 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:54:35,754 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:54:35,754 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,755 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-22 16:54:35,756 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (= 8 |old(~a21~0)|) .cse0) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 (not (<= |old(~a12~0)| 80))))) [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,758 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-22 16:54:35,759 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:54:35,760 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:54:35,761 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,762 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,763 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-22 16:54:35,763 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:54:35,763 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:54:35,764 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:54:35,764 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-22 16:54:35,764 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-22 16:54:35,764 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-22 16:54:35,764 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-22 16:54:35,765 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:54:35,766 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:54:35,767 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-22 16:54:35,768 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,769 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:54:35,770 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-22 16:54:35,771 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:54:35,772 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,773 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,774 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-22 16:54:35,775 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:54:35,776 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:54:35,777 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-22 16:54:35,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:35,777 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (<= ~a15~0 8)) [2020-08-22 16:54:35,778 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:54:35,779 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:35,780 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a15~0)| 8)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|))) [2020-08-22 16:54:35,782 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:54:35,782 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (<= ~a12~0 80) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (= ~a21~0 8))) [2020-08-22 16:54:35,782 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-22 16:54:35,783 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-22 16:54:35,783 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (<= ~a12~0 80) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (= ~a21~0 8))) [2020-08-22 16:54:35,783 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:54:35,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:54:35 BoogieIcfgContainer [2020-08-22 16:54:35,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:54:35,811 INFO L168 Benchmark]: Toolchain (without parser) took 32313.03 ms. Allocated memory was 142.1 MB in the beginning and 752.4 MB in the end (delta: 610.3 MB). Free memory was 100.9 MB in the beginning and 535.3 MB in the end (delta: -434.4 MB). Peak memory consumption was 642.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,812 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 142.1 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.65 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 169.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,819 INFO L168 Benchmark]: Boogie Preprocessor took 177.86 ms. Allocated memory is still 206.6 MB. Free memory was 169.4 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,820 INFO L168 Benchmark]: RCFGBuilder took 1611.31 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 158.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,822 INFO L168 Benchmark]: TraceAbstraction took 29657.08 ms. Allocated memory was 239.6 MB in the beginning and 752.4 MB in the end (delta: 512.8 MB). Free memory was 158.0 MB in the beginning and 535.3 MB in the end (delta: -377.3 MB). Peak memory consumption was 601.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:35,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 142.1 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 861.65 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 169.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.86 ms. Allocated memory is still 206.6 MB. Free memory was 169.4 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1611.31 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 158.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29657.08 ms. Allocated memory was 239.6 MB in the beginning and 752.4 MB in the end (delta: 512.8 MB). Free memory was 158.0 MB in the beginning and 535.3 MB in the end (delta: -377.3 MB). Peak memory consumption was 601.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 880]: Loop Invariant Derived loop invariant: ((((((7 <= a15 || !(\old(a15) <= 8)) || a12 <= 80) || !(7 <= \old(a21))) || !(\old(a21) <= 7)) || !(\old(a12) + 49 <= 0)) || !(7 <= \old(a15))) || !(a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 6448 SDslu, 334 SDs, 0 SdLazy, 11805 SolverSat, 2542 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2151 GetRequests, 2051 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6502occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 126 PreInvPairs, 220 NumberOfFragments, 209 HoareAnnotationTreeSize, 126 FomulaSimplifications, 14160 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3465 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 4344 NumberOfCodeBlocks, 4344 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4331 ConstructedInterpolants, 0 QuantifiedInterpolants, 3192300 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3148 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 5640/5934 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...