/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/Problem01_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:22:47,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:22:47,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:22:47,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:22:47,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:22:47,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:22:47,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:22:47,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:22:47,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:22:47,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:22:47,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:22:47,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:22:47,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:22:47,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:22:47,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:22:47,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:22:47,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:22:47,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:22:47,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:22:47,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:22:47,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:22:47,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:22:47,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:22:47,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:22:47,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:22:47,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:22:47,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:22:47,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:22:47,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 11:22:47,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:22:47,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:22:47,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:22:47,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:22:47,295 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:22:47,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:22:47,296 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:22:47,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:22:47,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:22:47,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:22:47,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:22:47,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:22:47,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:22:47,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:22:47,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:22:47,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:22:47,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:22:47,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:22:47,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:22:47,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:22:47,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:22:47,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:22:47,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:22:47,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:22:47,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:22:47,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:22:47,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:22:47,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:22:47,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:22:47,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:22:47,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:22:47,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:22:47,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:22:47,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:22:47,583 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:22:47,584 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-07 11:22:47,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9513cd2c7/08550b6d71e849f3b5a32b21ddeb0c5d/FLAGc867fabbd [2020-07-07 11:22:48,209 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:22:48,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-07 11:22:48,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9513cd2c7/08550b6d71e849f3b5a32b21ddeb0c5d/FLAGc867fabbd [2020-07-07 11:22:48,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9513cd2c7/08550b6d71e849f3b5a32b21ddeb0c5d [2020-07-07 11:22:48,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:22:48,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:22:48,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:48,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:22:48,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:22:48,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de36573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48, skipping insertion in model container [2020-07-07 11:22:48,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:22:48,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:22:49,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:49,091 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:22:49,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:49,200 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:22:49,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49 WrapperNode [2020-07-07 11:22:49,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:49,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:22:49,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:22:49,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:22:49,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:22:49,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:22:49,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:22:49,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:22:49,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:22:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:22:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:22:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:22:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:22:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:22:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:22:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:22:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:22:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:22:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:22:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:22:50,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:22:50,415 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:22:50,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:50 BoogieIcfgContainer [2020-07-07 11:22:50,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:22:50,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:22:50,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:22:50,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:22:50,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:22:48" (1/3) ... [2020-07-07 11:22:50,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c93c7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:50, skipping insertion in model container [2020-07-07 11:22:50,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (2/3) ... [2020-07-07 11:22:50,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c93c7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:50, skipping insertion in model container [2020-07-07 11:22:50,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:50" (3/3) ... [2020-07-07 11:22:50,428 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label34.c [2020-07-07 11:22:50,438 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:22:50,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:22:50,464 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:22:50,496 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:22:50,497 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:22:50,497 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:22:50,497 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:22:50,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:22:50,498 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:22:50,498 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:22:50,498 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:22:50,525 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-07 11:22:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-07 11:22:50,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:50,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:50,552 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:50,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:50,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2020-07-07 11:22:50,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:50,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99382088] [2020-07-07 11:22:50,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:51,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99382088] [2020-07-07 11:22:51,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:51,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:22:51,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118503792] [2020-07-07 11:22:51,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:22:51,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:51,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:22:51,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:22:51,292 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-07 11:22:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:52,667 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-07 11:22:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:22:52,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-07-07 11:22:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:52,697 INFO L225 Difference]: With dead ends: 557 [2020-07-07 11:22:52,698 INFO L226 Difference]: Without dead ends: 286 [2020-07-07 11:22:52,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-07 11:22:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-07 11:22:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 11:22:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 414 transitions. [2020-07-07 11:22:52,801 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 414 transitions. Word has length 111 [2020-07-07 11:22:52,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:52,802 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 414 transitions. [2020-07-07 11:22:52,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:22:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 414 transitions. [2020-07-07 11:22:52,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-07 11:22:52,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:52,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:52,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:22:52,807 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:52,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:52,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1625964328, now seen corresponding path program 1 times [2020-07-07 11:22:52,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:52,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103872798] [2020-07-07 11:22:52,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:53,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103872798] [2020-07-07 11:22:53,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:53,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:22:53,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200823245] [2020-07-07 11:22:53,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:22:53,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:53,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:22:53,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:53,026 INFO L87 Difference]: Start difference. First operand 280 states and 414 transitions. Second operand 9 states. [2020-07-07 11:22:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:54,455 INFO L93 Difference]: Finished difference Result 711 states and 1085 transitions. [2020-07-07 11:22:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:22:54,457 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-07-07 11:22:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:54,458 INFO L225 Difference]: With dead ends: 711 [2020-07-07 11:22:54,458 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:22:54,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:22:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:22:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:22:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:22:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:22:54,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2020-07-07 11:22:54,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:54,462 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:22:54,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:22:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:22:54,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:22:54,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:22:54,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:22:54,726 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-07-07 11:22:54,776 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:22:54,777 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:22:54,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:22:54,777 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-07 11:22:54,777 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-07 11:22:54,778 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,778 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,778 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,778 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,779 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,779 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,779 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-07 11:22:54,779 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 11:22:54,780 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-07 11:22:54,781 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-07 11:22:54,781 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-07 11:22:54,782 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,782 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,782 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,783 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,783 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,783 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,783 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-07 11:22:54,786 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-07 11:22:54,787 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 11:22:54,787 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 11:22:54,787 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 11:22:54,787 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 11:22:54,787 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2020-07-07 11:22:54,788 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-07 11:22:54,789 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-07 11:22:54,789 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-07 11:22:54,789 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-07 11:22:54,789 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,789 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,790 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,790 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,790 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,790 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 11:22:54,791 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 11:22:54,792 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-07 11:22:54,792 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,792 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,792 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,793 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,793 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,793 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-07 11:22:54,794 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-07 11:22:54,795 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,796 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 11:22:54,797 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 11:22:54,798 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 11:22:54,798 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-07 11:22:54,799 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,799 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,799 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,800 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-07 11:22:54,801 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-07 11:22:54,802 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-07 11:22:54,803 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-07 11:22:54,803 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-07 11:22:54,803 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-07 11:22:54,803 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,803 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,804 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,804 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,804 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,805 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-07 11:22:54,805 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-07 11:22:54,805 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 11:22:54,805 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,806 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,807 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,807 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,808 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-07 11:22:54,808 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-07 11:22:54,808 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-07 11:22:54,808 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-07 11:22:54,809 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-07 11:22:54,809 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 11:22:54,810 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-07 11:22:54,810 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 11:22:54,810 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-07 11:22:54,810 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-07 11:22:54,811 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)))) (and (or (not (<= |old(~a16~0)| 5)) .cse0) (or (= |old(~a7~0)| |old(~a21~0)|) .cse0))) [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-07 11:22:54,812 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,813 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,814 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-07 11:22:54,816 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-07 11:22:54,818 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-07 11:22:54,818 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 11:22:54,818 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-07 11:22:54,819 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 11:22:54,826 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-07 11:22:54,826 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 11:22:54,826 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-07 11:22:54,826 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,827 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-07 11:22:54,828 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,828 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-07 11:22:54,828 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-07 11:22:54,828 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 11:22:54,829 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-07 11:22:54,830 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-07 11:22:54,831 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-07 11:22:54,831 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-07 11:22:54,831 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-07 11:22:54,831 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,831 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-07 11:22:54,832 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-07 11:22:54,833 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-07 11:22:54,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:22:54,834 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-07 11:22:54,834 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:22:54,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:22:54,834 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-07 11:22:54,834 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:22:54,834 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-07 11:22:54,835 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-07 11:22:54,835 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:22:54,835 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-07 11:22:54,835 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:22:54,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:22:54 BoogieIcfgContainer [2020-07-07 11:22:54,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:22:54,863 INFO L168 Benchmark]: Toolchain (without parser) took 6366.30 ms. Allocated memory was 138.9 MB in the beginning and 294.1 MB in the end (delta: 155.2 MB). Free memory was 101.7 MB in the beginning and 162.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,866 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.34 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,870 INFO L168 Benchmark]: Boogie Preprocessor took 98.70 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,873 INFO L168 Benchmark]: RCFGBuilder took 1121.05 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 166.3 MB in the beginning and 180.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,875 INFO L168 Benchmark]: TraceAbstraction took 4438.06 ms. Allocated memory was 239.1 MB in the beginning and 294.1 MB in the end (delta: 55.1 MB). Free memory was 179.1 MB in the beginning and 162.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:54,886 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.34 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.70 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.05 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 166.3 MB in the beginning and 180.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4438.06 ms. Allocated memory was 239.1 MB in the beginning and 294.1 MB in the end (delta: 55.1 MB). Free memory was 179.1 MB in the beginning and 162.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((\old(a7) == \old(a21) || !(\old(a16) <= 5)) || a16 <= 5) || !(a21 == a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 966 SDslu, 70 SDs, 0 SdLazy, 1613 SolverSat, 307 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 15 PreInvPairs, 27 NumberOfFragments, 172 HoareAnnotationTreeSize, 15 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 136540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 7/7 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...