/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_FUNCTIONS --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/Problem10_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:28:59,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:28:59,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:28:59,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 23:28:59,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 23:28:59,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 23:28:59,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 23:28:59,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 23:28:59,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 23:28:59,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 23:28:59,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 23:28:59,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 23:28:59,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:28:59,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:28:59,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:28:59,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:28:59,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:28:59,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:28:59,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:28:59,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:28:59,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:28:59,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:28:59,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:28:59,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:28:59,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:28:59,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:28:59,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:28:59,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:28:59,179 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 [2020-07-19 23:28:59,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:28:59,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:28:59,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:28:59,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:28:59,197 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:28:59,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:28:59,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:28:59,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:28:59,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:28:59,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:28:59,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:28:59,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:28:59,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:28:59,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:28:59,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:28:59,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:28:59,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:28:59,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:28:59,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:28:59,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:28:59,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:28:59,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:28:59,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:28:59,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:28:59,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:28:59,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:28:59,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:28:59,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:28:59,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:28:59,202 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_FUNCTIONS 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 [2020-07-19 23:28:59,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:28:59,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:28:59,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:28:59,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:28:59,502 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:28:59,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-19 23:28:59,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2689e63/9aa989afe7d04007b63e23ee5fa67132/FLAG66539e5f4 [2020-07-19 23:29:00,117 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:29:00,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-19 23:29:00,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2689e63/9aa989afe7d04007b63e23ee5fa67132/FLAG66539e5f4 [2020-07-19 23:29:00,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2689e63/9aa989afe7d04007b63e23ee5fa67132 [2020-07-19 23:29:00,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:29:00,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:29:00,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:00,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:29:00,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:29:00,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:00" (1/1) ... [2020-07-19 23:29:00,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a5b008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:00, skipping insertion in model container [2020-07-19 23:29:00,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:00" (1/1) ... [2020-07-19 23:29:00,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:29:00,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:29:01,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:01,126 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:29:01,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:01,265 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:29:01,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01 WrapperNode [2020-07-19 23:29:01,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:01,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:29:01,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:29:01,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:29:01,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (1/1) ... [2020-07-19 23:29:01,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:29:01,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:29:01,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:29:01,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:29:01,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (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 [2020-07-19 23:29:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:29:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:29:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:29:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:29:02,916 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:29:02,917 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:29:02,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:02 BoogieIcfgContainer [2020-07-19 23:29:02,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:29:02,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:29:02,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:29:02,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:29:02,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:29:00" (1/3) ... [2020-07-19 23:29:02,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f55416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:02, skipping insertion in model container [2020-07-19 23:29:02,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:01" (2/3) ... [2020-07-19 23:29:02,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f55416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:02, skipping insertion in model container [2020-07-19 23:29:02,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:02" (3/3) ... [2020-07-19 23:29:02,934 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-07-19 23:29:02,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:29:02,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:29:02,971 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:29:03,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:29:03,004 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:29:03,004 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:29:03,004 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:29:03,004 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:29:03,005 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:29:03,005 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:29:03,005 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:29:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-19 23:29:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-19 23:29:03,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:03,045 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] [2020-07-19 23:29:03,045 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:03,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:03,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-07-19 23:29:03,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:03,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150659857] [2020-07-19 23:29:03,064 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:03,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150659857] [2020-07-19 23:29:03,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:03,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:29:03,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480660993] [2020-07-19 23:29:03,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:29:03,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:29:03,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:29:03,441 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-19 23:29:05,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:05,676 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-19 23:29:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:29:05,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-19 23:29:05,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:05,698 INFO L225 Difference]: With dead ends: 730 [2020-07-19 23:29:05,699 INFO L226 Difference]: Without dead ends: 447 [2020-07-19 23:29:05,708 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 [2020-07-19 23:29:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-19 23:29:05,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-19 23:29:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-19 23:29:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-19 23:29:05,798 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-07-19 23:29:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:05,798 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-19 23:29:05,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:29:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-19 23:29:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-19 23:29:05,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:05,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:05,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:29:05,806 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:05,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:05,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-07-19 23:29:05,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:05,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567756052] [2020-07-19 23:29:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:06,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567756052] [2020-07-19 23:29:06,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:06,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:29:06,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266725415] [2020-07-19 23:29:06,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:29:06,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:06,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:29:06,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:06,166 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-19 23:29:08,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:08,315 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-07-19 23:29:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 23:29:08,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-07-19 23:29:08,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:08,327 INFO L225 Difference]: With dead ends: 1490 [2020-07-19 23:29:08,327 INFO L226 Difference]: Without dead ends: 1055 [2020-07-19 23:29:08,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:29:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-19 23:29:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-07-19 23:29:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-07-19 23:29:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-07-19 23:29:08,395 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-07-19 23:29:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:08,396 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-07-19 23:29:08,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:29:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-07-19 23:29:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-19 23:29:08,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:08,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:08,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:29:08,403 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:08,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:08,404 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-07-19 23:29:08,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:08,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756238416] [2020-07-19 23:29:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:08,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756238416] [2020-07-19 23:29:08,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:08,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:29:08,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443862497] [2020-07-19 23:29:08,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:29:08,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:29:08,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:08,765 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-07-19 23:29:10,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:10,334 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-07-19 23:29:10,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:29:10,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-19 23:29:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:10,354 INFO L225 Difference]: With dead ends: 1822 [2020-07-19 23:29:10,361 INFO L226 Difference]: Without dead ends: 1083 [2020-07-19 23:29:10,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:29:10,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-19 23:29:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-07-19 23:29:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-07-19 23:29:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-07-19 23:29:10,438 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-07-19 23:29:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:10,440 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-07-19 23:29:10,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:29:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-07-19 23:29:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-19 23:29:10,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:10,454 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:29:10,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 23:29:10,454 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:10,455 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-07-19 23:29:10,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:10,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208010361] [2020-07-19 23:29:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:29:10,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208010361] [2020-07-19 23:29:10,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836418437] [2020-07-19 23:29:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1b2f206c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:11,042 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1b2f206c issued 4 check-sat command(s) [2020-07-19 23:29:11,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:11,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:11,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:11,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:29:11,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 23:29:11,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674779951] [2020-07-19 23:29:11,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:29:11,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:11,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:29:11,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:29:11,327 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 10 states. [2020-07-19 23:29:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:13,784 INFO L93 Difference]: Finished difference Result 2871 states and 3866 transitions. [2020-07-19 23:29:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-19 23:29:13,785 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-07-19 23:29:13,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:13,800 INFO L225 Difference]: With dead ends: 2871 [2020-07-19 23:29:13,800 INFO L226 Difference]: Without dead ends: 1822 [2020-07-19 23:29:13,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:29:13,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-07-19 23:29:13,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1504. [2020-07-19 23:29:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-07-19 23:29:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1887 transitions. [2020-07-19 23:29:13,882 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1887 transitions. Word has length 208 [2020-07-19 23:29:13,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:13,884 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1887 transitions. [2020-07-19 23:29:13,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:29:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1887 transitions. [2020-07-19 23:29:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-19 23:29:13,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:13,889 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:29:14,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:14,105 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:14,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:14,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-07-19 23:29:14,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:14,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462126236] [2020-07-19 23:29:14,107 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 23:29:14,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462126236] [2020-07-19 23:29:14,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534843816] [2020-07-19 23:29:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7167836a 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 [2020-07-19 23:29:14,643 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7167836a issued 4 check-sat command(s) [2020-07-19 23:29:14,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:14,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:14,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-19 23:29:14,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:29:14,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 23:29:14,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249918677] [2020-07-19 23:29:14,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:29:14,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:14,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:29:14,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:14,754 INFO L87 Difference]: Start difference. First operand 1504 states and 1887 transitions. Second operand 3 states. [2020-07-19 23:29:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:15,354 INFO L93 Difference]: Finished difference Result 3002 states and 3772 transitions. [2020-07-19 23:29:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:29:15,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-07-19 23:29:15,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:15,363 INFO L225 Difference]: With dead ends: 3002 [2020-07-19 23:29:15,363 INFO L226 Difference]: Without dead ends: 1504 [2020-07-19 23:29:15,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:15,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-07-19 23:29:15,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1361. [2020-07-19 23:29:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2020-07-19 23:29:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1663 transitions. [2020-07-19 23:29:15,407 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1663 transitions. Word has length 209 [2020-07-19 23:29:15,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:15,407 INFO L479 AbstractCegarLoop]: Abstraction has 1361 states and 1663 transitions. [2020-07-19 23:29:15,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:29:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2020-07-19 23:29:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-19 23:29:15,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:15,412 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:29:15,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:15,616 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:15,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:15,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1055956540, now seen corresponding path program 1 times [2020-07-19 23:29:15,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:15,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397987877] [2020-07-19 23:29:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 23:29:15,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397987877] [2020-07-19 23:29:15,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010387859] [2020-07-19 23:29:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2460303 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:15,951 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2460303 issued 4 check-sat command(s) [2020-07-19 23:29:15,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 23:29:15,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:16,027 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:29:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-19 23:29:16,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:29:16,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-19 23:29:16,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084757899] [2020-07-19 23:29:16,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:29:16,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:16,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:29:16,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:16,187 INFO L87 Difference]: Start difference. First operand 1361 states and 1663 transitions. Second operand 5 states. [2020-07-19 23:29:17,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:17,537 INFO L93 Difference]: Finished difference Result 2889 states and 3525 transitions. [2020-07-19 23:29:17,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:29:17,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-19 23:29:17,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:17,547 INFO L225 Difference]: With dead ends: 2889 [2020-07-19 23:29:17,548 INFO L226 Difference]: Without dead ends: 1534 [2020-07-19 23:29:17,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:29:17,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-07-19 23:29:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1363. [2020-07-19 23:29:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-07-19 23:29:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1637 transitions. [2020-07-19 23:29:17,599 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1637 transitions. Word has length 215 [2020-07-19 23:29:17,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:17,600 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1637 transitions. [2020-07-19 23:29:17,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:29:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1637 transitions. [2020-07-19 23:29:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-19 23:29:17,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:17,608 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:17,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:17,823 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:17,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:17,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2133941150, now seen corresponding path program 1 times [2020-07-19 23:29:17,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:17,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965374153] [2020-07-19 23:29:17,824 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 107 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 23:29:18,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965374153] [2020-07-19 23:29:18,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621979178] [2020-07-19 23:29:18,297 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15caa79 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 [2020-07-19 23:29:18,525 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15caa79 issued 4 check-sat command(s) [2020-07-19 23:29:18,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:18,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:18,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-19 23:29:18,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:29:18,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-19 23:29:18,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783451033] [2020-07-19 23:29:18,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 23:29:18,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:18,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 23:29:18,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:29:18,651 INFO L87 Difference]: Start difference. First operand 1363 states and 1637 transitions. Second operand 13 states. [2020-07-19 23:29:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:23,994 INFO L93 Difference]: Finished difference Result 5357 states and 6700 transitions. [2020-07-19 23:29:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 23:29:23,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-07-19 23:29:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:24,008 INFO L225 Difference]: With dead ends: 5357 [2020-07-19 23:29:24,009 INFO L226 Difference]: Without dead ends: 2797 [2020-07-19 23:29:24,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 23:29:24,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2020-07-19 23:29:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1347. [2020-07-19 23:29:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-07-19 23:29:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1564 transitions. [2020-07-19 23:29:24,072 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1564 transitions. Word has length 294 [2020-07-19 23:29:24,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:24,073 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1564 transitions. [2020-07-19 23:29:24,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 23:29:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1564 transitions. [2020-07-19 23:29:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-19 23:29:24,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:24,080 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-07-19 23:29:24,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:24,293 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:24,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-07-19 23:29:24,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:24,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136314788] [2020-07-19 23:29:24,295 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:29:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 174 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 23:29:24,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136314788] [2020-07-19 23:29:24,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410626632] [2020-07-19 23:29:24,868 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ed12ee8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:25,128 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ed12ee8 issued 4 check-sat command(s) [2020-07-19 23:29:25,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:25,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 23:29:25,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:25,235 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:29:25,238 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:29:25,240 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,242 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,243 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,248 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,255 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,258 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:29:25,261 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:29:25,262 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,263 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,269 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,273 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,277 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,279 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:29:25,285 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,287 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,291 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,293 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:29:25,294 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,299 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,300 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,301 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:29:25,303 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:29:25,308 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:29:43,075 WARN L193 SmtUtils]: Spent 14.89 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-19 23:29:43,155 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:29:43,295 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:29:43,295 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:29:43,297 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:29:43,329 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:29:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 315 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-19 23:29:43,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:29:43,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-19 23:29:43,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736127591] [2020-07-19 23:29:43,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 23:29:43,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:43,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 23:29:43,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2020-07-19 23:29:43,474 INFO L87 Difference]: Start difference. First operand 1347 states and 1564 transitions. Second operand 17 states. [2020-07-19 23:29:45,155 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-07-19 23:30:12,817 WARN L193 SmtUtils]: Spent 24.69 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-19 23:30:18,612 WARN L193 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-07-19 23:30:20,164 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-19 23:30:21,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:21,886 INFO L93 Difference]: Finished difference Result 4021 states and 4868 transitions. [2020-07-19 23:30:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 23:30:21,887 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 330 [2020-07-19 23:30:21,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:21,901 INFO L225 Difference]: With dead ends: 4021 [2020-07-19 23:30:21,901 INFO L226 Difference]: Without dead ends: 2823 [2020-07-19 23:30:21,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 50.6s TimeCoverageRelationStatistics Valid=305, Invalid=1254, Unknown=1, NotChecked=0, Total=1560 [2020-07-19 23:30:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-07-19 23:30:21,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2664. [2020-07-19 23:30:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2664 states. [2020-07-19 23:30:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3132 transitions. [2020-07-19 23:30:21,994 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3132 transitions. Word has length 330 [2020-07-19 23:30:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:21,994 INFO L479 AbstractCegarLoop]: Abstraction has 2664 states and 3132 transitions. [2020-07-19 23:30:21,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 23:30:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3132 transitions. [2020-07-19 23:30:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-07-19 23:30:22,007 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:22,008 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-07-19 23:30:22,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:22,224 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:22,225 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-07-19 23:30:22,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:22,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016914781] [2020-07-19 23:30:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34e34ac5 [2020-07-19 23:30:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-19 23:30:22,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016914781] [2020-07-19 23:30:22,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140443809] [2020-07-19 23:30:22,713 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb970b3 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 [2020-07-19 23:30:22,900 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cb970b3 issued 4 check-sat command(s) [2020-07-19 23:30:22,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:22,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-19 23:30:22,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:22,919 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:22,920 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,921 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,923 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,923 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-19 23:30:23,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:30:23,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-19 23:30:23,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068892610] [2020-07-19 23:30:23,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:30:23,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:23,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:30:23,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:30:23,036 INFO L87 Difference]: Start difference. First operand 2664 states and 3132 transitions. Second operand 3 states. [2020-07-19 23:30:24,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:24,098 INFO L93 Difference]: Finished difference Result 6041 states and 7282 transitions. [2020-07-19 23:30:24,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:30:24,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-07-19 23:30:24,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:24,101 INFO L225 Difference]: With dead ends: 6041 [2020-07-19 23:30:24,101 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:30:24,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:30:24,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:30:24,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:30:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:30:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:30:24,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-07-19 23:30:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:24,114 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:30:24,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:30:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:30:24,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:30:24,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:24,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:30:24,904 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-19 23:30:25,096 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-19 23:30:26,547 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-07-19 23:30:27,399 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-19 23:30:28,182 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-19 23:30:28,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:30:28,188 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-19 23:30:28,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:30:28,188 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-19 23:30:28,189 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-19 23:30:28,190 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-19 23:30:28,191 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 23:30:28,192 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,193 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 23:30:28,194 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-19 23:30:28,195 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-19 23:30:28,196 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 23:30:28,197 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,198 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 23:30:28,199 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-19 23:30:28,200 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,201 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-19 23:30:28,202 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-19 23:30:28,203 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-19 23:30:28,204 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,205 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 23:30:28,206 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or (= 7 |old(~a19~0)|) .cse1 .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= |old(~a1~0)| 206)) .cse1 (not (= 2 |old(~a10~0)|)) .cse0))) [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-19 23:30:28,207 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 23:30:28,208 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,209 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-19 23:30:28,210 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-19 23:30:28,211 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:28,212 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 23:30:28,213 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 23:30:28,214 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-19 23:30:28,214 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-19 23:30:28,214 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-19 23:30:28,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:30:28,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-19 23:30:28,214 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:30:28,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:30:28,215 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-19 23:30:28,215 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:30:28,215 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-19 23:30:28,215 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-19 23:30:28,215 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 23:30:28,216 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-19 23:30:28,216 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:30:28,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:30:28 BoogieIcfgContainer [2020-07-19 23:30:28,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:30:28,245 INFO L168 Benchmark]: Toolchain (without parser) took 87771.34 ms. Allocated memory was 136.8 MB in the beginning and 703.1 MB in the end (delta: 566.2 MB). Free memory was 100.1 MB in the beginning and 88.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 577.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,246 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.71 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.9 MB in the beginning and 167.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,248 INFO L168 Benchmark]: Boogie Preprocessor took 165.04 ms. Allocated memory is still 203.9 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,249 INFO L168 Benchmark]: RCFGBuilder took 1491.71 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 163.5 MB in the beginning and 179.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,250 INFO L168 Benchmark]: TraceAbstraction took 85317.30 ms. Allocated memory was 233.8 MB in the beginning and 703.1 MB in the end (delta: 469.2 MB). Free memory was 177.7 MB in the beginning and 88.5 MB in the end (delta: 89.2 MB). Peak memory consumption was 558.5 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:28,254 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.71 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.9 MB in the beginning and 167.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.04 ms. Allocated memory is still 203.9 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1491.71 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 163.5 MB in the beginning and 179.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85317.30 ms. Allocated memory was 233.8 MB in the beginning and 703.1 MB in the end (delta: 469.2 MB). Free memory was 177.7 MB in the beginning and 88.5 MB in the end (delta: 89.2 MB). Peak memory consumption was 558.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((a10 <= 1 && a19 <= 8) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a19 <= 8 && !(7 == a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || !(0 == a12)) || ((0 == \old(a10) || \old(a1) + 13 <= 0) && a19 == \old(a19))) || (((2 == a10 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && a19 <= 8) && a1 <= 206)) || (a10 <= 1 && (0 == \old(a10) || \old(a1) + 13 <= 0))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 55.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 5869 SDslu, 526 SDs, 0 SdLazy, 13309 SolverSat, 2220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1816 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 52.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2664occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2585 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 179 NumberOfFragments, 363 HoareAnnotationTreeSize, 109 FomulaSimplifications, 53876 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17543 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 3534 NumberOfCodeBlocks, 3534 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3519 ConstructedInterpolants, 6 QuantifiedInterpolants, 2126224 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2756 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2440/2988 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...