/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 DAGSIZE --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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:46:06,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:46:06,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:46:07,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 03:46:07,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:46:07,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:46:07,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:46:07,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:46:07,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:46:07,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:46:07,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:46:07,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:46:07,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:46:07,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:46:07,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:46:07,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:46:07,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:46:07,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:46:07,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:46:07,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:46:07,085 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 03:46:07,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:46:07,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:46:07,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:46:07,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:46:07,121 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:46:07,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:46:07,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:46:07,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:46:07,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:46:07,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:46:07,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:46:07,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:46:07,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:46:07,126 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:46:07,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:46:07,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:46:07,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:46:07,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:46:07,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:46:07,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:46:07,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:46:07,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:46:07,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:46:07,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:46:07,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:46:07,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:46:07,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:46:07,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:46:07,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:46:07,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 03:46:07,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:46:07,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:46:07,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:46:07,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:46:07,473 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:46:07,474 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-07-20 03:46:07,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140f2a2/69c1f6664c524045853db96d1c961d33/FLAGf2735e730 [2020-07-20 03:46:08,126 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:46:08,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-07-20 03:46:08,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140f2a2/69c1f6664c524045853db96d1c961d33/FLAGf2735e730 [2020-07-20 03:46:08,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81140f2a2/69c1f6664c524045853db96d1c961d33 [2020-07-20 03:46:08,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:46:08,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:46:08,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:46:08,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:46:08,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:46:08,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:46:08" (1/1) ... [2020-07-20 03:46:08,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6230b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:08, skipping insertion in model container [2020-07-20 03:46:08,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:46:08" (1/1) ... [2020-07-20 03:46:08,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:46:08,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:46:09,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:46:09,046 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:46:09,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:46:09,178 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:46:09,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09 WrapperNode [2020-07-20 03:46:09,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:46:09,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:46:09,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:46:09,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:46:09,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (1/1) ... [2020-07-20 03:46:09,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:46:09,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:46:09,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:46:09,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:46:09,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (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 03:46:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:46:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:46:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:46:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:46:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:46:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:46:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:46:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:46:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:46:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:46:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:46:10,561 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:46:10,561 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:46:10,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:46:10 BoogieIcfgContainer [2020-07-20 03:46:10,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:46:10,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:46:10,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:46:10,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:46:10,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:46:08" (1/3) ... [2020-07-20 03:46:10,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38856bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:46:10, skipping insertion in model container [2020-07-20 03:46:10,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:09" (2/3) ... [2020-07-20 03:46:10,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38856bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:46:10, skipping insertion in model container [2020-07-20 03:46:10,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:46:10" (3/3) ... [2020-07-20 03:46:10,576 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-07-20 03:46:10,588 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:46:10,596 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:46:10,610 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:46:10,635 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:46:10,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:46:10,636 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:46:10,636 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:46:10,636 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:46:10,636 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:46:10,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:46:10,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:46:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 03:46:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-20 03:46:10,676 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:10,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:46:10,678 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:10,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2020-07-20 03:46:10,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:10,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115390321] [2020-07-20 03:46:10,696 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13feb2aa [2020-07-20 03:46:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:11,386 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 03:46:11,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115390321] [2020-07-20 03:46:11,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:46:11,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:46:11,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309979897] [2020-07-20 03:46:11,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:46:11,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:11,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:46:11,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:46:11,415 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 03:46:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:13,728 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-07-20 03:46:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:46:13,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-07-20 03:46:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:13,750 INFO L225 Difference]: With dead ends: 784 [2020-07-20 03:46:13,750 INFO L226 Difference]: Without dead ends: 480 [2020-07-20 03:46:13,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:46:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-20 03:46:13,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-07-20 03:46:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-20 03:46:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-07-20 03:46:13,849 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 144 [2020-07-20 03:46:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:13,850 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-07-20 03:46:13,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:46:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-07-20 03:46:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 03:46:13,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:13,858 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:13,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:46:13,859 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:13,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1820781058, now seen corresponding path program 1 times [2020-07-20 03:46:13,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:13,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890579271] [2020-07-20 03:46:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13feb2aa [2020-07-20 03:46:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:46:14,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890579271] [2020-07-20 03:46:14,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491396076] [2020-07-20 03:46:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19752283 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:14,271 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19752283 issued 4 check-sat command(s) [2020-07-20 03:46:14,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:14,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:46:14,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:46:14,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:46:14,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 03:46:14,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927904273] [2020-07-20 03:46:14,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:46:14,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:14,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:46:14,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:46:14,393 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 3 states. [2020-07-20 03:46:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:15,036 INFO L93 Difference]: Finished difference Result 1380 states and 1905 transitions. [2020-07-20 03:46:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:46:15,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-07-20 03:46:15,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:15,049 INFO L225 Difference]: With dead ends: 1380 [2020-07-20 03:46:15,049 INFO L226 Difference]: Without dead ends: 913 [2020-07-20 03:46:15,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:46:15,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-07-20 03:46:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2020-07-20 03:46:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-07-20 03:46:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1205 transitions. [2020-07-20 03:46:15,124 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1205 transitions. Word has length 161 [2020-07-20 03:46:15,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:15,125 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1205 transitions. [2020-07-20 03:46:15,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:46:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1205 transitions. [2020-07-20 03:46:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-20 03:46:15,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:15,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:15,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:46:15,347 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1623301025, now seen corresponding path program 1 times [2020-07-20 03:46:15,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:15,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804508205] [2020-07-20 03:46:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13feb2aa [2020-07-20 03:46:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:46:15,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804508205] [2020-07-20 03:46:15,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083535883] [2020-07-20 03:46:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5cd5923 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 03:46:15,715 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5cd5923 issued 4 check-sat command(s) [2020-07-20 03:46:15,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:15,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:15,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:15,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:46:15,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:46:15,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911229638] [2020-07-20 03:46:15,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:46:15,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:15,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:46:15,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:46:15,907 INFO L87 Difference]: Start difference. First operand 913 states and 1205 transitions. Second operand 10 states. [2020-07-20 03:46:17,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:17,739 INFO L93 Difference]: Finished difference Result 2762 states and 4015 transitions. [2020-07-20 03:46:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 03:46:17,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2020-07-20 03:46:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:17,759 INFO L225 Difference]: With dead ends: 2762 [2020-07-20 03:46:17,759 INFO L226 Difference]: Without dead ends: 1855 [2020-07-20 03:46:17,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-07-20 03:46:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2020-07-20 03:46:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1489. [2020-07-20 03:46:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1489 states. [2020-07-20 03:46:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 1954 transitions. [2020-07-20 03:46:17,836 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 1954 transitions. Word has length 186 [2020-07-20 03:46:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:17,837 INFO L479 AbstractCegarLoop]: Abstraction has 1489 states and 1954 transitions. [2020-07-20 03:46:17,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:46:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1954 transitions. [2020-07-20 03:46:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-07-20 03:46:17,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:17,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:46:18,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:18,058 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:18,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1336637823, now seen corresponding path program 1 times [2020-07-20 03:46:18,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:18,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026982302] [2020-07-20 03:46:18,061 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13feb2aa [2020-07-20 03:46:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:18,427 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 03:46:18,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026982302] [2020-07-20 03:46:18,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684980158] [2020-07-20 03:46:18,428 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@200da0f7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:18,577 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@200da0f7 issued 4 check-sat command(s) [2020-07-20 03:46:18,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:18,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:18,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:18,666 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 03:46:18,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:46:18,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 03:46:18,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352438402] [2020-07-20 03:46:18,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:46:18,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:46:18,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:46:18,669 INFO L87 Difference]: Start difference. First operand 1489 states and 1954 transitions. Second operand 3 states. [2020-07-20 03:46:19,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:19,237 INFO L93 Difference]: Finished difference Result 3260 states and 4244 transitions. [2020-07-20 03:46:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:46:19,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-07-20 03:46:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:19,239 INFO L225 Difference]: With dead ends: 3260 [2020-07-20 03:46:19,239 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:46:19,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 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 03:46:19,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:46:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:46:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:46:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:46:19,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-07-20 03:46:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:19,248 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:46:19,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:46:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:46:19,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:46:19,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:19,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:46:19,980 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-07-20 03:46:20,124 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:20,124 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 03:46:20,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:20,125 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,125 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,125 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,125 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,125 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 03:46:20,126 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 03:46:20,127 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 03:46:20,127 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 03:46:20,127 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:46:20,127 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:46:20,130 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 03:46:20,130 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,130 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,131 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,131 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,131 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 03:46:20,131 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,131 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 03:46:20,132 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 03:46:20,132 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 03:46:20,132 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 03:46:20,132 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 03:46:20,136 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 03:46:20,136 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 03:46:20,137 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:46:20,137 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:46:20,137 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 03:46:20,137 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 03:46:20,137 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,142 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 03:46:20,143 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 03:46:20,144 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,145 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 03:46:20,146 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,147 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,148 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,148 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,148 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 03:46:20,148 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 03:46:20,148 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 03:46:20,149 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,150 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:46:20,151 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 03:46:20,152 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,153 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 03:46:20,154 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,155 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 03:46:20,156 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,157 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,158 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (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)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (= 1 |old(~a11~0)|) .cse0 .cse1 (= 9 |old(~a28~0)|)) (or .cse0 (not (<= |old(~a17~0)| 7))) (or (not (= 1 |old(~a19~0)|)) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1))) [2020-07-20 03:46:20,158 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,158 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,158 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,158 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 03:46:20,159 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,160 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 03:46:20,161 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 03:46:20,162 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,163 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 03:46:20,164 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 03:46:20,165 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:20,166 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (not (= 1 ~a11~0)) (<= ~a28~0 7)) [2020-07-20 03:46:20,166 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:46:20,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:20,167 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)) (= 1 |old(~a11~0)|) (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 03:46:20,167 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (not (= 9 ~a28~0)) (not (= 1 ~a11~0))) (not (<= |old(~a28~0)| 7)) (= 1 |old(~a11~0)|) (and .cse0 (<= ~a28~0 7)) (<= ~a17~0 7) (not (<= |old(~a17~0)| 8)) (and (= 1 ~a19~0) .cse0))) [2020-07-20 03:46:20,167 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:46:20,167 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:46:20,167 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (not (= 9 ~a28~0)) (not (= 1 ~a11~0))) (not (<= |old(~a28~0)| 7)) (= 1 |old(~a11~0)|) (and .cse0 (<= ~a28~0 7)) (<= ~a17~0 7) (not (<= |old(~a17~0)| 8)) (and (= 1 ~a19~0) .cse0))) [2020-07-20 03:46:20,168 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 03:46:20,168 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 03:46:20,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:46:20 BoogieIcfgContainer [2020-07-20 03:46:20,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:46:20,189 INFO L168 Benchmark]: Toolchain (without parser) took 11746.55 ms. Allocated memory was 143.1 MB in the beginning and 401.6 MB in the end (delta: 258.5 MB). Free memory was 99.2 MB in the beginning and 272.9 MB in the end (delta: -173.7 MB). Peak memory consumption was 276.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,190 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.09 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 98.8 MB in the beginning and 167.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,192 INFO L168 Benchmark]: Boogie Preprocessor took 106.26 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,193 INFO L168 Benchmark]: RCFGBuilder took 1282.11 ms. Allocated memory was 203.4 MB in the beginning and 232.3 MB in the end (delta: 28.8 MB). Free memory was 162.6 MB in the beginning and 178.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,194 INFO L168 Benchmark]: TraceAbstraction took 9617.64 ms. Allocated memory was 232.3 MB in the beginning and 401.6 MB in the end (delta: 169.3 MB). Free memory was 178.2 MB in the beginning and 272.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:20,199 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.09 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 98.8 MB in the beginning and 167.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.26 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1282.11 ms. Allocated memory was 203.4 MB in the beginning and 232.3 MB in the end (delta: 28.8 MB). Free memory was 162.6 MB in the beginning and 178.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9617.64 ms. Allocated memory was 232.3 MB in the beginning and 401.6 MB in the end (delta: 169.3 MB). Free memory was 178.2 MB in the beginning and 272.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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)) || ((a17 <= 8 && !(9 == a28)) && !(1 == a11))) || !(\old(a28) <= 7)) || 1 == \old(a11)) || (a17 <= 8 && a28 <= 7)) || a17 <= 7) || !(\old(a17) <= 8)) || (1 == a19 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 2001 SDslu, 140 SDs, 0 SdLazy, 2661 SolverSat, 857 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 625 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1489occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 373 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 38 PreInvPairs, 62 NumberOfFragments, 288 HoareAnnotationTreeSize, 38 FomulaSimplifications, 3298 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 897 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1288 NumberOfCodeBlocks, 1288 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1281 ConstructedInterpolants, 0 QuantifiedInterpolants, 604164 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1328 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 282/296 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...