/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:36:52,989 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 01:36:53,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:36:53,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:36:53,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:36:53,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:36:53,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:36:53,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:36:53,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:36:53,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:36:53,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:36:53,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:36:53,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:36:53,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:36:53,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:36:53,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:36:53,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:36:53,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:36:53,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:36:53,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:36:53,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:36:53,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:36:53,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:36:53,107 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:36:53,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:36:53,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:36:53,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:36:53,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:36:53,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:36:53,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:36:53,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:36:53,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:36:53,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:36:53,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:36:53,110 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:36:53,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:36:53,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:36:53,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:36:53,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:36:53,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:36:53,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:36:53,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:36:53,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:36:53,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:36:53,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:36:53,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:36:53,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:36:53,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:36:53,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:36:53,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:36:53,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:36:53,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:36:53,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:36:53,448 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:36:53,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-20 01:36:53,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d231722/f0f944b8ace4481c96eb7c34980c2db6/FLAG3a7001ea6 [2020-07-20 01:36:54,043 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:36:54,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-20 01:36:54,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d231722/f0f944b8ace4481c96eb7c34980c2db6/FLAG3a7001ea6 [2020-07-20 01:36:54,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d231722/f0f944b8ace4481c96eb7c34980c2db6 [2020-07-20 01:36:54,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:36:54,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:36:54,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:36:54,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:36:54,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:36:54,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:36:54" (1/1) ... [2020-07-20 01:36:54,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5138ac0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:54, skipping insertion in model container [2020-07-20 01:36:54,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:36:54" (1/1) ... [2020-07-20 01:36:54,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:36:54,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:36:54,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:36:54,954 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:36:55,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:36:55,062 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:36:55,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55 WrapperNode [2020-07-20 01:36:55,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:36:55,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:36:55,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:36:55,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:36:55,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... [2020-07-20 01:36:55,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:36:55,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:36:55,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:36:55,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:36:55,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:36:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:36:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:36:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:36:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:36:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:36:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:36:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:36:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:36:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:36:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:36:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:36:56,468 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:36:56,468 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:36:56,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:36:56 BoogieIcfgContainer [2020-07-20 01:36:56,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:36:56,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:36:56,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:36:56,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:36:56,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:36:54" (1/3) ... [2020-07-20 01:36:56,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1b667d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:36:56, skipping insertion in model container [2020-07-20 01:36:56,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:36:55" (2/3) ... [2020-07-20 01:36:56,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1b667d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:36:56, skipping insertion in model container [2020-07-20 01:36:56,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:36:56" (3/3) ... [2020-07-20 01:36:56,483 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2020-07-20 01:36:56,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:36:56,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:36:56,516 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:36:56,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:36:56,541 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:36:56,541 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:36:56,542 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:36:56,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:36:56,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:36:56,542 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:36:56,542 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:36:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 01:36:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 01:36:56,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:36:56,580 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] [2020-07-20 01:36:56,580 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:36:56,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:36:56,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2020-07-20 01:36:56,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:36:56,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869190624] [2020-07-20 01:36:56,597 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21731368 [2020-07-20 01:36:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:36:57,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869190624] [2020-07-20 01:36:57,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:36:57,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:36:57,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920476471] [2020-07-20 01:36:57,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:36:57,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:36:57,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:36:57,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:36:57,141 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 01:36:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:36:59,510 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-07-20 01:36:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:36:59,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 01:36:59,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:36:59,547 INFO L225 Difference]: With dead ends: 784 [2020-07-20 01:36:59,548 INFO L226 Difference]: Without dead ends: 480 [2020-07-20 01:36:59,562 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 [2020-07-20 01:36:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-20 01:36:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-07-20 01:36:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-20 01:36:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-07-20 01:36:59,654 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 107 [2020-07-20 01:36:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:36:59,655 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-07-20 01:36:59,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:36:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-07-20 01:36:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 01:36:59,664 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:36:59,665 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-20 01:36:59,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:36:59,665 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:36:59,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:36:59,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1627373773, now seen corresponding path program 1 times [2020-07-20 01:36:59,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:36:59,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271649037] [2020-07-20 01:36:59,667 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21731368 [2020-07-20 01:36:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:36:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:36:59,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271649037] [2020-07-20 01:36:59,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385102026] [2020-07-20 01:36:59,909 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1691dfd8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:37:00,062 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1691dfd8 issued 4 check-sat command(s) [2020-07-20 01:37:00,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:37:00,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:37:00,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:37:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:37:00,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:37:00,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 01:37:00,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800321374] [2020-07-20 01:37:00,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:37:00,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:37:00,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:37:00,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:37:00,166 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 3 states. [2020-07-20 01:37:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:37:00,754 INFO L93 Difference]: Finished difference Result 1388 states and 1917 transitions. [2020-07-20 01:37:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:37:00,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-07-20 01:37:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:37:00,761 INFO L225 Difference]: With dead ends: 1388 [2020-07-20 01:37:00,761 INFO L226 Difference]: Without dead ends: 921 [2020-07-20 01:37:00,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:37:00,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-20 01:37:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 915. [2020-07-20 01:37:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-07-20 01:37:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1213 transitions. [2020-07-20 01:37:00,828 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1213 transitions. Word has length 124 [2020-07-20 01:37:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:37:00,829 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1213 transitions. [2020-07-20 01:37:00,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:37:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1213 transitions. [2020-07-20 01:37:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 01:37:00,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:37:00,844 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-07-20 01:37:01,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 01:37:01,048 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:37:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:37:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1081125021, now seen corresponding path program 1 times [2020-07-20 01:37:01,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:37:01,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953836105] [2020-07-20 01:37:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21731368 [2020-07-20 01:37:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 01:37:01,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953836105] [2020-07-20 01:37:01,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110129797] [2020-07-20 01:37:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f816fbe 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 [2020-07-20 01:37:01,462 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f816fbe issued 4 check-sat command(s) [2020-07-20 01:37:01,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:37:01,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:37:01,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:37:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:37:01,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:37:01,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 01:37:01,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029196948] [2020-07-20 01:37:01,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:37:01,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:37:01,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:37:01,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:37:01,556 INFO L87 Difference]: Start difference. First operand 915 states and 1213 transitions. Second operand 11 states. [2020-07-20 01:37:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:37:04,264 INFO L93 Difference]: Finished difference Result 2013 states and 2851 transitions. [2020-07-20 01:37:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:37:04,265 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2020-07-20 01:37:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:37:04,277 INFO L225 Difference]: With dead ends: 2013 [2020-07-20 01:37:04,277 INFO L226 Difference]: Without dead ends: 1104 [2020-07-20 01:37:04,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:37:04,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-07-20 01:37:04,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 920. [2020-07-20 01:37:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-20 01:37:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1122 transitions. [2020-07-20 01:37:04,322 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1122 transitions. Word has length 153 [2020-07-20 01:37:04,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:37:04,323 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1122 transitions. [2020-07-20 01:37:04,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:37:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1122 transitions. [2020-07-20 01:37:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 01:37:04,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:37:04,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:37:04,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:37:04,538 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:37:04,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:37:04,539 INFO L82 PathProgramCache]: Analyzing trace with hash 630016451, now seen corresponding path program 1 times [2020-07-20 01:37:04,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:37:04,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494945297] [2020-07-20 01:37:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21731368 [2020-07-20 01:37:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:37:04,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494945297] [2020-07-20 01:37:04,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093377186] [2020-07-20 01:37:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d16c4cf No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:37:04,998 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d16c4cf issued 4 check-sat command(s) [2020-07-20 01:37:04,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:37:05,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:37:05,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:37:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:37:05,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:37:05,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-20 01:37:05,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44105617] [2020-07-20 01:37:05,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:37:05,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:37:05,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:37:05,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:37:05,088 INFO L87 Difference]: Start difference. First operand 920 states and 1122 transitions. Second operand 7 states. [2020-07-20 01:37:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:37:07,231 INFO L93 Difference]: Finished difference Result 3930 states and 4898 transitions. [2020-07-20 01:37:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:37:07,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-07-20 01:37:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:37:07,244 INFO L225 Difference]: With dead ends: 3930 [2020-07-20 01:37:07,244 INFO L226 Difference]: Without dead ends: 2713 [2020-07-20 01:37:07,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:37:07,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2020-07-20 01:37:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2705. [2020-07-20 01:37:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2705 states. [2020-07-20 01:37:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3212 transitions. [2020-07-20 01:37:07,322 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3212 transitions. Word has length 158 [2020-07-20 01:37:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:37:07,323 INFO L479 AbstractCegarLoop]: Abstraction has 2705 states and 3212 transitions. [2020-07-20 01:37:07,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:37:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3212 transitions. [2020-07-20 01:37:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 01:37:07,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:37:07,332 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:37:07,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:37:07,546 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:37:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:37:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash 419487597, now seen corresponding path program 1 times [2020-07-20 01:37:07,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:37:07,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901554878] [2020-07-20 01:37:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21731368 [2020-07-20 01:37:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:37:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 65 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:37:07,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901554878] [2020-07-20 01:37:07,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69106680] [2020-07-20 01:37:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2037782e 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 [2020-07-20 01:37:07,915 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2037782e issued 4 check-sat command(s) [2020-07-20 01:37:07,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:37:07,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 01:37:07,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:37:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 01:37:07,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:37:07,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 01:37:07,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920724710] [2020-07-20 01:37:07,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:37:07,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:37:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:37:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:37:07,959 INFO L87 Difference]: Start difference. First operand 2705 states and 3212 transitions. Second operand 3 states. [2020-07-20 01:37:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:37:08,512 INFO L93 Difference]: Finished difference Result 4782 states and 5692 transitions. [2020-07-20 01:37:08,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:37:08,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-07-20 01:37:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:37:08,516 INFO L225 Difference]: With dead ends: 4782 [2020-07-20 01:37:08,516 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:37:08,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:37:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:37:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:37:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:37:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:37:08,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-20 01:37:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:37:08,526 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:37:08,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:37:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:37:08,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:37:08,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:37:08,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:37:09,015 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2020-07-20 01:37:09,574 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 41 [2020-07-20 01:37:09,764 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2020-07-20 01:37:09,922 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2020-07-20 01:37:09,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:37:09,927 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)|)) [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,928 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 01:37:09,929 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,930 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 01:37:09,931 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:37:09,932 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2020-07-20 01:37:09,933 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 01:37:09,934 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,935 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 01:37:09,936 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,937 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 01:37:09,938 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 01:37:09,939 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 01:37:09,940 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,941 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 01:37:09,942 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,943 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 01:37:09,944 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,945 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 01:37:09,946 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 01:37:09,947 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,948 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,948 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,948 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 (not (<= 10 |old(~a28~0)|)) .cse1) (or (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) .cse0 .cse1) (or (= 1 |old(~a11~0)|) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or (not (= 1 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5 (= 1 ~a25~0)) .cse1)))) [2020-07-20 01:37:09,948 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,948 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,948 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 01:37:09,949 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,950 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 01:37:09,951 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 01:37:09,952 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 01:37:09,953 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 01:37:09,954 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 01:37:09,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:37:09,956 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-20 01:37:09,956 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:37:09,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:37:09,956 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (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)) (not (<= |old(~a11~0)| 0))) [2020-07-20 01:37:09,956 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (and .cse0 (= 1 ~a25~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (and .cse0 (<= 10 ~a28~0)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))) (and (= 1 ~a19~0) .cse0 (not (= 8 ~a28~0))))) [2020-07-20 01:37:09,956 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:37:09,956 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:37:09,957 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (and .cse0 (= 1 ~a25~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (and .cse0 (<= 10 ~a28~0)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))) (and (= 1 ~a19~0) .cse0 (not (= 8 ~a28~0))))) [2020-07-20 01:37:09,957 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 01:37:09,957 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 01:37:09,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:37:09 BoogieIcfgContainer [2020-07-20 01:37:09,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:37:09,979 INFO L168 Benchmark]: Toolchain (without parser) took 15619.90 ms. Allocated memory was 141.0 MB in the beginning and 441.5 MB in the end (delta: 300.4 MB). Free memory was 103.7 MB in the beginning and 201.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,980 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.60 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 103.3 MB in the beginning and 173.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,982 INFO L168 Benchmark]: Boogie Preprocessor took 132.95 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,983 INFO L168 Benchmark]: RCFGBuilder took 1276.46 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 175.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,984 INFO L168 Benchmark]: TraceAbstraction took 13501.08 ms. Allocated memory was 236.5 MB in the beginning and 441.5 MB in the end (delta: 205.0 MB). Free memory was 175.6 MB in the beginning and 201.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 239.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:37:09,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.60 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 103.3 MB in the beginning and 173.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.95 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1276.46 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 175.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13501.08 ms. Allocated memory was 236.5 MB in the beginning and 441.5 MB in the end (delta: 205.0 MB). Free memory was 175.6 MB in the beginning and 201.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 239.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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 == \old(a25)) || (a17 <= 8 && 1 == a25)) || !(\old(a28) <= 7)) || (a17 <= 8 && a28 <= 7)) || (a17 <= 8 && 10 <= a28)) || !(\old(a17) <= 8)) || !(\old(a11) <= 0)) || (a17 <= 8 && !(1 == a11))) || ((1 == a19 && a17 <= 8) && !(8 == a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 3199 SDslu, 232 SDs, 0 SdLazy, 4242 SolverSat, 1159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 696 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2705occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 205 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 106 NumberOfFragments, 354 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4782 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2836 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1325 NumberOfCodeBlocks, 1325 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1316 ConstructedInterpolants, 0 QuantifiedInterpolants, 434772 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1649 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 358/428 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...