/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_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:34:28,702 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 01:34:28,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:34:28,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:34:28,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:34:28,790 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 01:34:28,814 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:34:28,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:34:28,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:34:28,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:34:28,815 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:34:28,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:34:28,816 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:34:28,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:34:28,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:34:28,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:34:28,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:34:28,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:34:28,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:34:28,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:34:28,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:34:28,818 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:34:28,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:34:28,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:34:28,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:34:28,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:34:28,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:34:28,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:34:28,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:34:28,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:34:28,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:34:28,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:34:28,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:34:28,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:34:28,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:34:28,820 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 01:34:29,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:34:29,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:34:29,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:34:29,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:34:29,116 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:34:29,117 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-07-20 01:34:29,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83688ce/5531756cf2b04e5d95d87e70d2a56a03/FLAG0b293c9f3 [2020-07-20 01:34:29,769 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:34:29,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-07-20 01:34:29,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83688ce/5531756cf2b04e5d95d87e70d2a56a03/FLAG0b293c9f3 [2020-07-20 01:34:29,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83688ce/5531756cf2b04e5d95d87e70d2a56a03 [2020-07-20 01:34:30,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:34:30,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:34:30,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:34:30,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:34:30,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:34:30,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:34:29" (1/1) ... [2020-07-20 01:34:30,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccc7e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30, skipping insertion in model container [2020-07-20 01:34:30,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:34:29" (1/1) ... [2020-07-20 01:34:30,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:34:30,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:34:30,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:34:30,458 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:34:30,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:34:30,741 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:34:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30 WrapperNode [2020-07-20 01:34:30,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:34:30,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:34:30,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:34:30,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:34:30,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (1/1) ... [2020-07-20 01:34:30,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:34:30,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:34:30,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:34:30,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:34:30,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (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 01:34:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:34:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:34:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:34:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:34:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:34:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:34:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:34:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:34:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:34:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:34:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:34:32,011 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:34:32,012 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:34:32,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:34:32 BoogieIcfgContainer [2020-07-20 01:34:32,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:34:32,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:34:32,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:34:32,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:34:32,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:34:29" (1/3) ... [2020-07-20 01:34:32,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f0cfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:34:32, skipping insertion in model container [2020-07-20 01:34:32,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:34:30" (2/3) ... [2020-07-20 01:34:32,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f0cfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:34:32, skipping insertion in model container [2020-07-20 01:34:32,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:34:32" (3/3) ... [2020-07-20 01:34:32,026 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2020-07-20 01:34:32,036 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:34:32,044 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:34:32,057 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:34:32,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:34:32,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:34:32,083 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:34:32,083 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:34:32,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:34:32,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:34:32,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:34:32,084 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:34:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 01:34:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-20 01:34:32,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:32,122 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] [2020-07-20 01:34:32,122 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2020-07-20 01:34:32,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:32,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664553211] [2020-07-20 01:34:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:32,668 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 01:34:32,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664553211] [2020-07-20 01:34:32,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:34:32,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:34:32,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783556035] [2020-07-20 01:34:32,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:34:32,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:32,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:34:32,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:34:32,700 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 01:34:34,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:34,780 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-07-20 01:34:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:34:34,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-07-20 01:34:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:34,800 INFO L225 Difference]: With dead ends: 828 [2020-07-20 01:34:34,800 INFO L226 Difference]: Without dead ends: 494 [2020-07-20 01:34:34,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:34:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-07-20 01:34:34,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-07-20 01:34:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-07-20 01:34:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-07-20 01:34:34,902 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 127 [2020-07-20 01:34:34,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:34,904 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-07-20 01:34:34,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:34:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-07-20 01:34:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-20 01:34:34,911 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:34,911 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] [2020-07-20 01:34:34,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:34:34,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:34,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:34,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2020-07-20 01:34:34,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:34,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488684656] [2020-07-20 01:34:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:34:35,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488684656] [2020-07-20 01:34:35,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628663938] [2020-07-20 01:34:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a48ce56 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:35,434 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a48ce56 issued 4 check-sat command(s) [2020-07-20 01:34:35,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:35,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:34:35,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:34:35,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:34:35,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 01:34:35,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976739702] [2020-07-20 01:34:35,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:34:35,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:35,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:34:35,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:34:35,530 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2020-07-20 01:34:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:36,164 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2020-07-20 01:34:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:34:36,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-20 01:34:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:36,177 INFO L225 Difference]: With dead ends: 1380 [2020-07-20 01:34:36,177 INFO L226 Difference]: Without dead ends: 911 [2020-07-20 01:34:36,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:34:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-07-20 01:34:36,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2020-07-20 01:34:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-07-20 01:34:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2020-07-20 01:34:36,252 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 135 [2020-07-20 01:34:36,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:36,253 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2020-07-20 01:34:36,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:34:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2020-07-20 01:34:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 01:34:36,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:36,258 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] [2020-07-20 01:34:36,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 01:34:36,468 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:36,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:36,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1706292572, now seen corresponding path program 1 times [2020-07-20 01:34:36,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:36,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424153357] [2020-07-20 01:34:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:34:36,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424153357] [2020-07-20 01:34:36,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:34:36,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:34:36,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194042458] [2020-07-20 01:34:36,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:34:36,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:36,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:34:36,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:34:36,694 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 8 states. [2020-07-20 01:34:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:37,480 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2020-07-20 01:34:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:34:37,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-07-20 01:34:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:37,486 INFO L225 Difference]: With dead ends: 1245 [2020-07-20 01:34:37,486 INFO L226 Difference]: Without dead ends: 630 [2020-07-20 01:34:37,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:34:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-07-20 01:34:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2020-07-20 01:34:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 01:34:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2020-07-20 01:34:37,516 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 142 [2020-07-20 01:34:37,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:37,516 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2020-07-20 01:34:37,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:34:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2020-07-20 01:34:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 01:34:37,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:37,520 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] [2020-07-20 01:34:37,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:34:37,521 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:37,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:37,521 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2020-07-20 01:34:37,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:37,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969259398] [2020-07-20 01:34:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:34:37,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969259398] [2020-07-20 01:34:37,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945527419] [2020-07-20 01:34:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@131c3aa7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:38,053 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@131c3aa7 issued 4 check-sat command(s) [2020-07-20 01:34:38,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:38,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:34:38,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:34:38,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:34:38,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-20 01:34:38,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622861384] [2020-07-20 01:34:38,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:34:38,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:38,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:34:38,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:34:38,146 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 5 states. [2020-07-20 01:34:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:38,822 INFO L93 Difference]: Finished difference Result 1833 states and 2633 transitions. [2020-07-20 01:34:38,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:34:38,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-07-20 01:34:38,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:38,830 INFO L225 Difference]: With dead ends: 1833 [2020-07-20 01:34:38,830 INFO L226 Difference]: Without dead ends: 1230 [2020-07-20 01:34:38,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:34:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-07-20 01:34:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1212. [2020-07-20 01:34:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-07-20 01:34:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1622 transitions. [2020-07-20 01:34:38,876 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1622 transitions. Word has length 153 [2020-07-20 01:34:38,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:38,876 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1622 transitions. [2020-07-20 01:34:38,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:34:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1622 transitions. [2020-07-20 01:34:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 01:34:38,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:38,882 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] [2020-07-20 01:34:39,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:39,096 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:39,097 INFO L82 PathProgramCache]: Analyzing trace with hash 956150165, now seen corresponding path program 1 times [2020-07-20 01:34:39,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:39,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864663515] [2020-07-20 01:34:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:34:39,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864663515] [2020-07-20 01:34:39,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831113719] [2020-07-20 01:34:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@398808ba 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 01:34:39,413 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@398808ba issued 4 check-sat command(s) [2020-07-20 01:34:39,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:39,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:34:39,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 01:34:39,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:34:39,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-20 01:34:39,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315957195] [2020-07-20 01:34:39,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:34:39,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:39,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:34:39,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:34:39,542 INFO L87 Difference]: Start difference. First operand 1212 states and 1622 transitions. Second operand 5 states. [2020-07-20 01:34:40,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:40,364 INFO L93 Difference]: Finished difference Result 3181 states and 4370 transitions. [2020-07-20 01:34:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:34:40,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-07-20 01:34:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:40,380 INFO L225 Difference]: With dead ends: 3181 [2020-07-20 01:34:40,381 INFO L226 Difference]: Without dead ends: 1975 [2020-07-20 01:34:40,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:34:40,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2020-07-20 01:34:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1667. [2020-07-20 01:34:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2020-07-20 01:34:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2116 transitions. [2020-07-20 01:34:40,475 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2116 transitions. Word has length 185 [2020-07-20 01:34:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:40,476 INFO L479 AbstractCegarLoop]: Abstraction has 1667 states and 2116 transitions. [2020-07-20 01:34:40,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:34:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2116 transitions. [2020-07-20 01:34:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-20 01:34:40,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:40,491 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] [2020-07-20 01:34:40,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:40,704 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:40,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:40,704 INFO L82 PathProgramCache]: Analyzing trace with hash -957859136, now seen corresponding path program 1 times [2020-07-20 01:34:40,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:40,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314924399] [2020-07-20 01:34:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:34:40,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314924399] [2020-07-20 01:34:40,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464727286] [2020-07-20 01:34:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@584ec32e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:41,026 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@584ec32e issued 4 check-sat command(s) [2020-07-20 01:34:41,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:41,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:34:41,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:34:41,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:34:41,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:34:41,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873075838] [2020-07-20 01:34:41,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:34:41,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:41,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:34:41,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:34:41,095 INFO L87 Difference]: Start difference. First operand 1667 states and 2116 transitions. Second operand 10 states. [2020-07-20 01:34:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:43,780 INFO L93 Difference]: Finished difference Result 4355 states and 5507 transitions. [2020-07-20 01:34:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:34:43,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 192 [2020-07-20 01:34:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:43,790 INFO L225 Difference]: With dead ends: 4355 [2020-07-20 01:34:43,790 INFO L226 Difference]: Without dead ends: 1657 [2020-07-20 01:34:43,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:34:43,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-07-20 01:34:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1652. [2020-07-20 01:34:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-07-20 01:34:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1929 transitions. [2020-07-20 01:34:43,844 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1929 transitions. Word has length 192 [2020-07-20 01:34:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:43,844 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 1929 transitions. [2020-07-20 01:34:43,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:34:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1929 transitions. [2020-07-20 01:34:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-20 01:34:43,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:43,851 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] [2020-07-20 01:34:44,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:44,066 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:44,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:44,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1227275172, now seen corresponding path program 1 times [2020-07-20 01:34:44,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:44,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148410401] [2020-07-20 01:34:44,069 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 81 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:34:44,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148410401] [2020-07-20 01:34:44,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166738145] [2020-07-20 01:34:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21325ceb 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 [2020-07-20 01:34:44,390 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21325ceb issued 4 check-sat command(s) [2020-07-20 01:34:44,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:44,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:34:44,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 01:34:44,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:34:44,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 01:34:44,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730476973] [2020-07-20 01:34:44,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:34:44,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:44,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:34:44,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:34:44,443 INFO L87 Difference]: Start difference. First operand 1652 states and 1929 transitions. Second operand 11 states. [2020-07-20 01:34:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:46,749 INFO L93 Difference]: Finished difference Result 3939 states and 4854 transitions. [2020-07-20 01:34:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 01:34:46,750 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-07-20 01:34:46,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:46,762 INFO L225 Difference]: With dead ends: 3939 [2020-07-20 01:34:46,763 INFO L226 Difference]: Without dead ends: 2437 [2020-07-20 01:34:46,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2020-07-20 01:34:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2020-07-20 01:34:46,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2396. [2020-07-20 01:34:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2020-07-20 01:34:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2794 transitions. [2020-07-20 01:34:46,833 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2794 transitions. Word has length 206 [2020-07-20 01:34:46,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:46,833 INFO L479 AbstractCegarLoop]: Abstraction has 2396 states and 2794 transitions. [2020-07-20 01:34:46,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:34:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2794 transitions. [2020-07-20 01:34:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 01:34:46,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:34:46,840 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] [2020-07-20 01:34:47,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 01:34:47,056 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:34:47,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:34:47,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1308530112, now seen corresponding path program 1 times [2020-07-20 01:34:47,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:34:47,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907969793] [2020-07-20 01:34:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31de6c05 [2020-07-20 01:34:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:34:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:34:47,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907969793] [2020-07-20 01:34:47,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747579344] [2020-07-20 01:34:47,339 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@569b0087 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:47,471 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@569b0087 issued 4 check-sat command(s) [2020-07-20 01:34:47,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:34:47,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:34:47,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:34:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:34:47,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:34:47,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 01:34:47,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175041213] [2020-07-20 01:34:47,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:34:47,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:34:47,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:34:47,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:34:47,567 INFO L87 Difference]: Start difference. First operand 2396 states and 2794 transitions. Second operand 3 states. [2020-07-20 01:34:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:34:48,009 INFO L93 Difference]: Finished difference Result 4641 states and 5429 transitions. [2020-07-20 01:34:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:34:48,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-07-20 01:34:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:34:48,010 INFO L225 Difference]: With dead ends: 4641 [2020-07-20 01:34:48,010 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:34:48,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:34:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:34:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:34:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:34:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:34:48,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2020-07-20 01:34:48,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:34:48,020 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:34:48,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:34:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:34:48,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:34:48,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:34:48,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:34:49,672 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 55 [2020-07-20 01:34:50,145 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-20 01:34:50,565 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-20 01:34:50,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:34:50,569 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 01:34:50,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:34:50,570 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,570 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,570 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,570 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,570 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 01:34:50,571 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,572 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 01:34:50,573 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,574 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 01:34:50,575 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 01:34:50,576 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 01:34:50,577 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 01:34:50,578 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 01:34:50,579 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 01:34:50,580 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,581 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,582 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 01:34:50,583 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 01:34:50,584 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 01:34:50,585 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 01:34:50,586 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 01:34:50,587 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,588 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)))) [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,588 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 01:34:50,589 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,590 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:34:50,591 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 01:34:50,592 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:34:50,593 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 01:34:50,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:34:50,594 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)) [2020-07-20 01:34:50,595 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:34:50,595 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:34:50,595 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))) [2020-07-20 01:34:50,595 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)))) [2020-07-20 01:34:50,595 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:34:50,595 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:34:50,596 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)))) [2020-07-20 01:34:50,596 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 01:34:50,596 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 01:34:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:34:50 BoogieIcfgContainer [2020-07-20 01:34:50,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:34:50,622 INFO L168 Benchmark]: Toolchain (without parser) took 20614.30 ms. Allocated memory was 146.8 MB in the beginning and 532.7 MB in the end (delta: 385.9 MB). Free memory was 102.1 MB in the beginning and 441.4 MB in the end (delta: -339.3 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,623 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.77 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,625 INFO L168 Benchmark]: Boogie Preprocessor took 153.17 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,626 INFO L168 Benchmark]: RCFGBuilder took 1120.53 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 168.1 MB in the beginning and 178.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,627 INFO L168 Benchmark]: TraceAbstraction took 18601.02 ms. Allocated memory was 237.0 MB in the beginning and 532.7 MB in the end (delta: 295.7 MB). Free memory was 178.5 MB in the beginning and 441.4 MB in the end (delta: -262.9 MB). Peak memory consumption was 351.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:34:50,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.77 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.17 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1120.53 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 168.1 MB in the beginning and 178.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18601.02 ms. Allocated memory was 237.0 MB in the beginning and 532.7 MB in the end (delta: 295.7 MB). Free memory was 178.5 MB in the beginning and 441.4 MB in the end (delta: -262.9 MB). Peak memory consumption was 351.3 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: 16.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 4079 SDslu, 345 SDs, 0 SdLazy, 7237 SolverSat, 1388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1212 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.5s 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, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3001 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2427 NumberOfCodeBlocks, 2427 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2413 ConstructedInterpolants, 0 QuantifiedInterpolants, 1304753 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...