/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/Problem02_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:24:38,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:24:38,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:24:38,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:24:38,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:24:38,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:24:38,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:24:38,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:24:38,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:24:38,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:24:38,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:24:38,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:24:38,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:24:38,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:24:38,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:24:38,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:24:38,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:24:38,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:24:38,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:24:38,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:24:38,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:24:38,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:24:38,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:24:38,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:24:38,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:24:38,406 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 11:24:38,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:24:38,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:24:38,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:24:38,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:24:38,432 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:24:38,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:24:38,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:24:38,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:24:38,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:24:38,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:24:38,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:24:38,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:24:38,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:24:38,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:24:38,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:24:38,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:24:38,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:24:38,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:24:38,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:24:38,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:24:38,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:24:38,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:24:38,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:24:38,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:24:38,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:24:38,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:24:38,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:24:38,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:24:38,723 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:24:38,724 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:24:38,725 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-07-07 11:24:38,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1082569/2a6c2f57bc4a4a9285090053e6788c03/FLAG09c7eadfe [2020-07-07 11:24:39,420 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:24:39,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-07-07 11:24:39,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1082569/2a6c2f57bc4a4a9285090053e6788c03/FLAG09c7eadfe [2020-07-07 11:24:39,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1082569/2a6c2f57bc4a4a9285090053e6788c03 [2020-07-07 11:24:39,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:24:39,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:24:39,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:24:39,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:24:39,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:24:39,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:24:39" (1/1) ... [2020-07-07 11:24:39,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbd870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:39, skipping insertion in model container [2020-07-07 11:24:39,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:24:39" (1/1) ... [2020-07-07 11:24:39,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:24:39,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:24:40,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:24:40,177 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:24:40,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:24:40,388 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:24:40,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40 WrapperNode [2020-07-07 11:24:40,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:24:40,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:24:40,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:24:40,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:24:40,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (1/1) ... [2020-07-07 11:24:40,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:24:40,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:24:40,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:24:40,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:24:40,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (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 11:24:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:24:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:24:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:24:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:24:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:24:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:24:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:24:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:24:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:24:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:24:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:24:41,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:24:41,676 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:24:41,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:24:41 BoogieIcfgContainer [2020-07-07 11:24:41,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:24:41,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:24:41,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:24:41,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:24:41,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:24:39" (1/3) ... [2020-07-07 11:24:41,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a73bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:24:41, skipping insertion in model container [2020-07-07 11:24:41,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:40" (2/3) ... [2020-07-07 11:24:41,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a73bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:24:41, skipping insertion in model container [2020-07-07 11:24:41,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:24:41" (3/3) ... [2020-07-07 11:24:41,692 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2020-07-07 11:24:41,703 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:24:41,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:24:41,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:24:41,752 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:24:41,752 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:24:41,752 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:24:41,753 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:24:41,753 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:24:41,753 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:24:41,753 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:24:41,754 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:24:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:24:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-07 11:24:41,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:41,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:41,794 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:41,801 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2020-07-07 11:24:41,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:41,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795058386] [2020-07-07 11:24:41,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:42,473 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 11:24:42,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795058386] [2020-07-07 11:24:42,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:24:42,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:24:42,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806342580] [2020-07-07 11:24:42,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:24:42,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:42,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:24:42,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:24:42,504 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:24:44,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:44,712 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-07-07 11:24:44,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:24:44,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-07-07 11:24:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:44,750 INFO L225 Difference]: With dead ends: 828 [2020-07-07 11:24:44,751 INFO L226 Difference]: Without dead ends: 494 [2020-07-07 11:24:44,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:24:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-07-07 11:24:44,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-07-07 11:24:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-07-07 11:24:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-07-07 11:24:44,856 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 127 [2020-07-07 11:24:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:44,857 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-07-07 11:24:44,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:24:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-07-07 11:24:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-07 11:24:44,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:44,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:44,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:24:44,866 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:44,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2020-07-07 11:24:44,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:44,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317540301] [2020-07-07 11:24:44,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:45,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317540301] [2020-07-07 11:24:45,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097913701] [2020-07-07 11:24:45,205 INFO L94 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 [2020-07-07 11:24:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:45,310 INFO L264 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:45,322 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:45,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:45,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:24:45,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055103991] [2020-07-07 11:24:45,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:24:45,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:45,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:24:45,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:24:45,431 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2020-07-07 11:24:46,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:46,078 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2020-07-07 11:24:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:24:46,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-07 11:24:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:46,092 INFO L225 Difference]: With dead ends: 1380 [2020-07-07 11:24:46,092 INFO L226 Difference]: Without dead ends: 911 [2020-07-07 11:24:46,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:24:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-07-07 11:24:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2020-07-07 11:24:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-07-07 11:24:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2020-07-07 11:24:46,177 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 135 [2020-07-07 11:24:46,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:46,179 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2020-07-07 11:24:46,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:24:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2020-07-07 11:24:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-07 11:24:46,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:46,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:46,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:24:46,395 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:46,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1706292572, now seen corresponding path program 1 times [2020-07-07 11:24:46,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:46,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907686068] [2020-07-07 11:24:46,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:46,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907686068] [2020-07-07 11:24:46,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:24:46,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:24:46,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683902980] [2020-07-07 11:24:46,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:24:46,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:46,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:24:46,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:24:46,625 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 9 states. [2020-07-07 11:24:47,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:47,511 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2020-07-07 11:24:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 11:24:47,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2020-07-07 11:24:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:47,517 INFO L225 Difference]: With dead ends: 1245 [2020-07-07 11:24:47,518 INFO L226 Difference]: Without dead ends: 630 [2020-07-07 11:24:47,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:24:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-07-07 11:24:47,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2020-07-07 11:24:47,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-07 11:24:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2020-07-07 11:24:47,559 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 142 [2020-07-07 11:24:47,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:47,561 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2020-07-07 11:24:47,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:24:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2020-07-07 11:24:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 11:24:47,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:47,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:47,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 11:24:47,565 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:47,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:47,565 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2020-07-07 11:24:47,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:47,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80908614] [2020-07-07 11:24:47,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:47,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80908614] [2020-07-07 11:24:47,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395078019] [2020-07-07 11:24:47,932 INFO L94 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 [2020-07-07 11:24:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:48,053 INFO L264 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 11:24:48,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:48,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:48,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-07 11:24:48,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883188312] [2020-07-07 11:24:48,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:24:48,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:48,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:24:48,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:24:48,170 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 5 states. [2020-07-07 11:24:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:49,142 INFO L93 Difference]: Finished difference Result 1833 states and 2633 transitions. [2020-07-07 11:24:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:24:49,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-07-07 11:24:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:49,157 INFO L225 Difference]: With dead ends: 1833 [2020-07-07 11:24:49,158 INFO L226 Difference]: Without dead ends: 1230 [2020-07-07 11:24:49,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:24:49,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-07-07 11:24:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1212. [2020-07-07 11:24:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-07-07 11:24:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1622 transitions. [2020-07-07 11:24:49,238 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1622 transitions. Word has length 153 [2020-07-07 11:24:49,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:49,239 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1622 transitions. [2020-07-07 11:24:49,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:24:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1622 transitions. [2020-07-07 11:24:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-07 11:24:49,251 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:49,252 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, 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] [2020-07-07 11:24:49,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:49,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:49,466 INFO L82 PathProgramCache]: Analyzing trace with hash 956150165, now seen corresponding path program 1 times [2020-07-07 11:24:49,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:49,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167183487] [2020-07-07 11:24:49,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:24:49,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167183487] [2020-07-07 11:24:49,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818761973] [2020-07-07 11:24:49,695 INFO L94 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 [2020-07-07 11:24:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:49,782 INFO L264 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 11:24:49,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-07 11:24:49,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:49,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2020-07-07 11:24:49,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675333737] [2020-07-07 11:24:49,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:24:49,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:49,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:24:49,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:24:49,843 INFO L87 Difference]: Start difference. First operand 1212 states and 1622 transitions. Second operand 5 states. [2020-07-07 11:24:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:50,707 INFO L93 Difference]: Finished difference Result 3181 states and 4370 transitions. [2020-07-07 11:24:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:24:50,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-07-07 11:24:50,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:50,721 INFO L225 Difference]: With dead ends: 3181 [2020-07-07 11:24:50,722 INFO L226 Difference]: Without dead ends: 1975 [2020-07-07 11:24:50,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:24:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2020-07-07 11:24:50,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1667. [2020-07-07 11:24:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2020-07-07 11:24:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2116 transitions. [2020-07-07 11:24:50,794 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2116 transitions. Word has length 185 [2020-07-07 11:24:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:50,795 INFO L479 AbstractCegarLoop]: Abstraction has 1667 states and 2116 transitions. [2020-07-07 11:24:50,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:24:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2116 transitions. [2020-07-07 11:24:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-07 11:24:50,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:50,804 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:51,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:51,019 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:51,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:51,020 INFO L82 PathProgramCache]: Analyzing trace with hash -957859136, now seen corresponding path program 1 times [2020-07-07 11:24:51,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:51,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098737594] [2020-07-07 11:24:51,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 11:24:51,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098737594] [2020-07-07 11:24:51,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815508558] [2020-07-07 11:24:51,210 INFO L94 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 [2020-07-07 11:24:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:51,323 INFO L264 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:51,328 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:24:51,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:24:51,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:24:51,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746774357] [2020-07-07 11:24:51,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:24:51,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:51,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:24:51,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:24:51,422 INFO L87 Difference]: Start difference. First operand 1667 states and 2116 transitions. Second operand 11 states. [2020-07-07 11:24:54,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:54,356 INFO L93 Difference]: Finished difference Result 4355 states and 5507 transitions. [2020-07-07 11:24:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:24:54,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2020-07-07 11:24:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:54,371 INFO L225 Difference]: With dead ends: 4355 [2020-07-07 11:24:54,371 INFO L226 Difference]: Without dead ends: 1657 [2020-07-07 11:24:54,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2020-07-07 11:24:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-07-07 11:24:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1652. [2020-07-07 11:24:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-07-07 11:24:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1929 transitions. [2020-07-07 11:24:54,431 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1929 transitions. Word has length 192 [2020-07-07 11:24:54,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:54,432 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 1929 transitions. [2020-07-07 11:24:54,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:24:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1929 transitions. [2020-07-07 11:24:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-07 11:24:54,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:54,439 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-07 11:24:54,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:54,655 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1227275172, now seen corresponding path program 1 times [2020-07-07 11:24:54,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:54,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132272525] [2020-07-07 11:24:54,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 81 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 11:24:54,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132272525] [2020-07-07 11:24:54,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138886440] [2020-07-07 11:24:54,872 INFO L94 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 [2020-07-07 11:24:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:54,979 INFO L264 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:54,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-07 11:24:55,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:24:55,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-07 11:24:55,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658832662] [2020-07-07 11:24:55,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:24:55,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:55,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:24:55,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:24:55,103 INFO L87 Difference]: Start difference. First operand 1652 states and 1929 transitions. Second operand 12 states. [2020-07-07 11:24:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:57,586 INFO L93 Difference]: Finished difference Result 3939 states and 4854 transitions. [2020-07-07 11:24:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 11:24:57,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-07-07 11:24:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:57,599 INFO L225 Difference]: With dead ends: 3939 [2020-07-07 11:24:57,599 INFO L226 Difference]: Without dead ends: 2437 [2020-07-07 11:24:57,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870 [2020-07-07 11:24:57,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2020-07-07 11:24:57,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2396. [2020-07-07 11:24:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2020-07-07 11:24:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2794 transitions. [2020-07-07 11:24:57,672 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2794 transitions. Word has length 206 [2020-07-07 11:24:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:57,673 INFO L479 AbstractCegarLoop]: Abstraction has 2396 states and 2794 transitions. [2020-07-07 11:24:57,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:24:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2794 transitions. [2020-07-07 11:24:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-07 11:24:57,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:57,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:57,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 11:24:57,896 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:57,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:57,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1308530112, now seen corresponding path program 1 times [2020-07-07 11:24:57,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:57,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947383200] [2020-07-07 11:24:57,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:24:58,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947383200] [2020-07-07 11:24:58,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958412034] [2020-07-07 11:24:58,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:58,324 INFO L264 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:58,328 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:24:58,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:58,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-07-07 11:24:58,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302509203] [2020-07-07 11:24:58,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:24:58,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:58,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:24:58,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:24:58,384 INFO L87 Difference]: Start difference. First operand 2396 states and 2794 transitions. Second operand 3 states. [2020-07-07 11:24:58,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:58,912 INFO L93 Difference]: Finished difference Result 4641 states and 5429 transitions. [2020-07-07 11:24:58,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:24:58,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-07-07 11:24:58,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:58,914 INFO L225 Difference]: With dead ends: 4641 [2020-07-07 11:24:58,914 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:24:58,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:24:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:24:58,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:24:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:24:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:24:58,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2020-07-07 11:24:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:58,924 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:24:58,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:24:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:24:58,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:24:59,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:59,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:25:00,483 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 55 [2020-07-07 11:25:00,996 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-07 11:25:01,415 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-07 11:25:01,420 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:01,420 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:25:01,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:01,421 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,421 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,421 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:25:01,422 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,423 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:25:01,424 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:25:01,425 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,426 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:25:01,427 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,428 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:25:01,429 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,430 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:25:01,431 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,432 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:01,433 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:25:01,434 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,435 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:25:01,436 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,437 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:25:01,438 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,439 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,440 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,440 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= 1 |old(~a11~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (not (= 1 |old(~a19~0)|))) (.cse9 (not (<= |old(~a28~0)| 7))) (.cse5 (not (<= |old(~a17~0)| 7))) (.cse6 (and (= 1 ~a11~0) .cse12 .cse13 .cse14 .cse15)) (.cse7 (not .cse11)) (.cse4 (not (<= |old(~a25~0)| 0))) (.cse8 (= 1 |old(~a25~0)|)) (.cse10 (not (<= 9 |old(~a28~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse2 (and (= ~a11~0 |old(~a11~0)|) .cse12 .cse13 .cse14 .cse15)) (.cse3 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or (and (or .cse8 .cse9 .cse3) (or .cse9 .cse1 .cse3)) .cse2) (or .cse0 .cse9 .cse2 .cse3) (or .cse10 .cse5 .cse6 .cse7) (or .cse11 .cse4 .cse2 .cse3) (or .cse8 .cse10 .cse11 .cse2 .cse3) (or .cse10 .cse11 .cse1 .cse2 .cse3)))) [2020-07-07 11:25:01,440 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,440 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,440 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:25:01,441 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,442 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:25:01,443 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:25:01,444 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:25:01,445 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:01,446 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:01,447 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-07 11:25:01,448 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:25:01,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:01,448 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-07 11:25:01,448 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse9 (not (= 1 ~a25~0))) (.cse8 (<= ~a28~0 7))) (let ((.cse10 (or (and .cse2 .cse3 .cse8) (and .cse2 .cse9 .cse8))) (.cse6 (= 1 ~a11~0)) (.cse7 (<= ~a17~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse11 (<= ~a25~0 0)) (.cse0 (= 1 ~a19~0)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse4 (not (= 1 |old(~a11~0)|)))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse4) (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse5 .cse9 .cse4) (and .cse6 .cse10 .cse4) (and .cse1 .cse10 .cse4) (and .cse6 .cse11 .cse7 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 .cse7 .cse5 .cse4) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse2 .cse11 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse4)))) [2020-07-07 11:25:01,448 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:01,448 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:01,449 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse9 (not (= 1 ~a25~0))) (.cse8 (<= ~a28~0 7))) (let ((.cse10 (or (and .cse2 .cse3 .cse8) (and .cse2 .cse9 .cse8))) (.cse6 (= 1 ~a11~0)) (.cse7 (<= ~a17~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse11 (<= ~a25~0 0)) (.cse0 (= 1 ~a19~0)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse4 (not (= 1 |old(~a11~0)|)))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse4) (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse5 .cse9 .cse4) (and .cse6 .cse10 .cse4) (and .cse1 .cse10 .cse4) (and .cse6 .cse11 .cse7 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 .cse7 .cse5 .cse4) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse2 .cse11 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse4)))) [2020-07-07 11:25:01,449 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:25:01,449 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:25:01,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:25:01 BoogieIcfgContainer [2020-07-07 11:25:01,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:25:01,483 INFO L168 Benchmark]: Toolchain (without parser) took 21810.17 ms. Allocated memory was 145.8 MB in the beginning and 537.4 MB in the end (delta: 391.6 MB). Free memory was 100.9 MB in the beginning and 396.0 MB in the end (delta: -295.1 MB). Peak memory consumption was 404.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,484 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.54 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 171.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,486 INFO L168 Benchmark]: Boogie Preprocessor took 104.99 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 166.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,487 INFO L168 Benchmark]: RCFGBuilder took 1187.85 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 166.8 MB in the beginning and 181.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,488 INFO L168 Benchmark]: TraceAbstraction took 19797.38 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.6 MB in the beginning and 396.0 MB in the end (delta: -214.4 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:01,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.54 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 171.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.99 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 166.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1187.85 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 166.8 MB in the beginning and 181.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19797.38 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.6 MB in the beginning and 396.0 MB in the end (delta: -214.4 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || ((((1 == a19 && a11 == \old(a11)) && a17 <= 8) && 8 <= a17) && !(1 == \old(a11)))) || !(\old(a28) <= 7)) || ((((a11 == \old(a11) && a17 <= 8) && 8 <= a17) && 9 <= a28) && !(1 == \old(a11)))) || ((((1 == a19 && 1 == a11) && a17 <= 8) && 8 <= a17) && !(1 == \old(a11)))) || ((((1 == a19 && 1 == a11) && a17 <= 7) && a28 <= 7) && !(1 == \old(a11)))) || !(8 <= \old(a17))) || ((((a11 == \old(a11) && a17 <= 8) && 9 <= a28) && !(1 == a25)) && !(1 == \old(a11)))) || ((1 == a11 && (((a17 <= 8 && 8 <= a17) && a28 <= 7) || ((a17 <= 8 && !(1 == a25)) && a28 <= 7))) && !(1 == \old(a11)))) || ((a11 == \old(a11) && (((a17 <= 8 && 8 <= a17) && a28 <= 7) || ((a17 <= 8 && !(1 == a25)) && a28 <= 7))) && !(1 == \old(a11)))) || (((1 == a11 && a25 <= 0) && a17 <= 7) && !(1 == \old(a11)))) || !(\old(a25) <= 0)) || ((((a11 == \old(a11) && a17 == \old(a17)) && a19 == \old(a19)) && a28 == \old(a28)) && a25 == \old(a25))) || (((1 == a11 && a17 <= 7) && 9 <= a28) && !(1 == \old(a11)))) || !(\old(a17) <= 8)) || (((a11 == \old(a11) && a17 <= 8) && a25 <= 0) && !(1 == \old(a11)))) || ((((1 == a19 && a11 == \old(a11)) && a17 <= 8) && a28 <= 7) && !(1 == \old(a11))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 4070 SDslu, 360 SDs, 0 SdLazy, 7556 SolverSat, 1422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1220 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2396occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 702 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 133 NumberOfFragments, 841 HoareAnnotationTreeSize, 85 FomulaSimplifications, 21300 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3001 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2427 NumberOfCodeBlocks, 2427 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2413 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493626 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2603 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 788/856 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...