/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:51:27,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:51:27,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:51:27,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 01:51:27,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 01:51:27,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 01:51:27,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 01:51:27,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 01:51:27,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 01:51:27,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 01:51:27,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 01:51:27,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 01:51:27,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:51:27,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:51:27,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:51:27,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:51:27,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:51:27,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:51:27,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:51:27,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:51:27,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:51:27,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:51:27,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:51:27,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:51:27,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 01:51:27,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:51:27,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:51:27,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:51:27,555 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:51:27,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:51:27,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:51:27,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:51:27,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:51:27,609 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:51:27,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:51:27,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:51:27,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:51:27,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:51:27,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:51:27,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:51:27,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:51:27,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:51:27,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:51:27,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:51:27,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:51:27,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:51:27,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:51:27,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:51:27,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:51:27,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:51:27,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:51:27,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:51:27,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:51:27,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:51:27,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:51:28,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:51:28,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:51:28,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:51:28,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:51:28,051 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:51:28,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2020-12-22 01:51:28,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abaebab/3a76dce80c2d4f1f80d6275a1f2a7b7d/FLAG880d4cbce [2020-12-22 01:51:28,977 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:51:28,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2020-12-22 01:51:29,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abaebab/3a76dce80c2d4f1f80d6275a1f2a7b7d/FLAG880d4cbce [2020-12-22 01:51:29,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abaebab/3a76dce80c2d4f1f80d6275a1f2a7b7d [2020-12-22 01:51:29,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:51:29,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:51:29,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:51:29,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:51:29,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:51:29,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:51:29" (1/1) ... [2020-12-22 01:51:29,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5249315a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:29, skipping insertion in model container [2020-12-22 01:51:29,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:51:29" (1/1) ... [2020-12-22 01:51:29,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:51:29,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:51:29,591 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2020-12-22 01:51:29,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:51:29,892 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:51:29,958 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2020-12-22 01:51:30,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:51:30,203 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:51:30,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30 WrapperNode [2020-12-22 01:51:30,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:51:30,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:51:30,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:51:30,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:51:30,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:51:30,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:51:30,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:51:30,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:51:30,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... [2020-12-22 01:51:30,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:51:30,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:51:30,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:51:30,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:51:30,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:51:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:51:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:51:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:51:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:51:32,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:51:32,168 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:51:32,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:51:32 BoogieIcfgContainer [2020-12-22 01:51:32,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:51:32,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:51:32,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:51:32,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:51:32,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:51:29" (1/3) ... [2020-12-22 01:51:32,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a298ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:51:32, skipping insertion in model container [2020-12-22 01:51:32,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:51:30" (2/3) ... [2020-12-22 01:51:32,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a298ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:51:32, skipping insertion in model container [2020-12-22 01:51:32,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:51:32" (3/3) ... [2020-12-22 01:51:32,181 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-12-22 01:51:32,189 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:51:32,194 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:51:32,215 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:51:32,246 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:51:32,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:51:32,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:51:32,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:51:32,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:51:32,248 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:51:32,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:51:32,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:51:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-22 01:51:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 01:51:32,281 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:32,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:51:32,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:32,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:32,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2020-12-22 01:51:32,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:32,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014263349] [2020-12-22 01:51:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:51:32,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014263349] [2020-12-22 01:51:32,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:32,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:51:32,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825592963] [2020-12-22 01:51:32,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:32,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:32,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:32,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:32,789 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-22 01:51:34,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:34,082 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-22 01:51:34,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:34,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 01:51:34,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:34,131 INFO L225 Difference]: With dead ends: 669 [2020-12-22 01:51:34,131 INFO L226 Difference]: Without dead ends: 360 [2020-12-22 01:51:34,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:34,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-22 01:51:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-22 01:51:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-22 01:51:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-12-22 01:51:34,259 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 54 [2020-12-22 01:51:34,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:34,260 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-12-22 01:51:34,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-12-22 01:51:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-22 01:51:34,267 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:34,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:51:34,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:51:34,268 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:34,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:34,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1192266937, now seen corresponding path program 1 times [2020-12-22 01:51:34,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:34,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493662558] [2020-12-22 01:51:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:51:34,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493662558] [2020-12-22 01:51:34,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:34,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:51:34,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564384993] [2020-12-22 01:51:34,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:34,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:34,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:34,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:34,473 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-12-22 01:51:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:35,520 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions. [2020-12-22 01:51:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:35,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-12-22 01:51:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:35,527 INFO L225 Difference]: With dead ends: 1074 [2020-12-22 01:51:35,527 INFO L226 Difference]: Without dead ends: 716 [2020-12-22 01:51:35,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-22 01:51:35,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-22 01:51:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-22 01:51:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1011 transitions. [2020-12-22 01:51:35,586 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1011 transitions. Word has length 129 [2020-12-22 01:51:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:35,587 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1011 transitions. [2020-12-22 01:51:35,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1011 transitions. [2020-12-22 01:51:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-22 01:51:35,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:35,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:51:35,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:51:35,601 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:35,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2048276547, now seen corresponding path program 1 times [2020-12-22 01:51:35,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:35,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605737745] [2020-12-22 01:51:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:51:35,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605737745] [2020-12-22 01:51:35,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:35,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:35,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746192562] [2020-12-22 01:51:35,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:51:35,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:35,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:51:35,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:51:35,839 INFO L87 Difference]: Start difference. First operand 716 states and 1011 transitions. Second operand 4 states. [2020-12-22 01:51:37,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:37,506 INFO L93 Difference]: Finished difference Result 1966 states and 2731 transitions. [2020-12-22 01:51:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:51:37,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-22 01:51:37,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:37,518 INFO L225 Difference]: With dead ends: 1966 [2020-12-22 01:51:37,518 INFO L226 Difference]: Without dead ends: 1252 [2020-12-22 01:51:37,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:51:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-12-22 01:51:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-12-22 01:51:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-22 01:51:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1576 transitions. [2020-12-22 01:51:37,564 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1576 transitions. Word has length 133 [2020-12-22 01:51:37,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:37,574 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1576 transitions. [2020-12-22 01:51:37,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:51:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1576 transitions. [2020-12-22 01:51:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-22 01:51:37,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:37,583 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:51:37,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:51:37,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:37,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:37,585 INFO L82 PathProgramCache]: Analyzing trace with hash -898968111, now seen corresponding path program 1 times [2020-12-22 01:51:37,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:37,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666515184] [2020-12-22 01:51:37,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-22 01:51:37,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666515184] [2020-12-22 01:51:37,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:37,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:37,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993035424] [2020-12-22 01:51:37,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:51:37,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:37,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:51:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:51:37,995 INFO L87 Difference]: Start difference. First operand 1250 states and 1576 transitions. Second operand 4 states. [2020-12-22 01:51:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:39,180 INFO L93 Difference]: Finished difference Result 2707 states and 3461 transitions. [2020-12-22 01:51:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:51:39,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 213 [2020-12-22 01:51:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:39,195 INFO L225 Difference]: With dead ends: 2707 [2020-12-22 01:51:39,195 INFO L226 Difference]: Without dead ends: 1608 [2020-12-22 01:51:39,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:51:39,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-22 01:51:39,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-12-22 01:51:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-22 01:51:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1802 transitions. [2020-12-22 01:51:39,238 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1802 transitions. Word has length 213 [2020-12-22 01:51:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:39,239 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1802 transitions. [2020-12-22 01:51:39,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:51:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1802 transitions. [2020-12-22 01:51:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-12-22 01:51:39,260 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:39,260 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, 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, 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] [2020-12-22 01:51:39,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:51:39,261 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash -792864170, now seen corresponding path program 1 times [2020-12-22 01:51:39,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:39,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978566593] [2020-12-22 01:51:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-22 01:51:39,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978566593] [2020-12-22 01:51:39,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:39,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:39,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761127837] [2020-12-22 01:51:39,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:39,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:39,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:39,726 INFO L87 Difference]: Start difference. First operand 1606 states and 1802 transitions. Second operand 3 states. [2020-12-22 01:51:40,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:40,729 INFO L93 Difference]: Finished difference Result 3388 states and 3850 transitions. [2020-12-22 01:51:40,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:40,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2020-12-22 01:51:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:40,759 INFO L225 Difference]: With dead ends: 3388 [2020-12-22 01:51:40,760 INFO L226 Difference]: Without dead ends: 1962 [2020-12-22 01:51:40,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-12-22 01:51:40,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-12-22 01:51:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-12-22 01:51:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2197 transitions. [2020-12-22 01:51:40,818 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2197 transitions. Word has length 344 [2020-12-22 01:51:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:40,819 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2197 transitions. [2020-12-22 01:51:40,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2197 transitions. [2020-12-22 01:51:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-12-22 01:51:40,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:40,828 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2020-12-22 01:51:40,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:51:40,829 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:40,830 INFO L82 PathProgramCache]: Analyzing trace with hash 688075356, now seen corresponding path program 1 times [2020-12-22 01:51:40,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:40,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176128588] [2020-12-22 01:51:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-22 01:51:41,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176128588] [2020-12-22 01:51:41,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:41,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:41,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375451011] [2020-12-22 01:51:41,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:41,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:41,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:41,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:41,159 INFO L87 Difference]: Start difference. First operand 1962 states and 2197 transitions. Second operand 3 states. [2020-12-22 01:51:42,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:42,086 INFO L93 Difference]: Finished difference Result 4100 states and 4683 transitions. [2020-12-22 01:51:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:42,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-12-22 01:51:42,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:42,099 INFO L225 Difference]: With dead ends: 4100 [2020-12-22 01:51:42,100 INFO L226 Difference]: Without dead ends: 2318 [2020-12-22 01:51:42,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-22 01:51:42,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-12-22 01:51:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-22 01:51:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2605 transitions. [2020-12-22 01:51:42,174 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2605 transitions. Word has length 371 [2020-12-22 01:51:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:42,175 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2605 transitions. [2020-12-22 01:51:42,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2605 transitions. [2020-12-22 01:51:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-12-22 01:51:42,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:42,182 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:51:42,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:51:42,183 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:42,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:42,189 INFO L82 PathProgramCache]: Analyzing trace with hash -277940223, now seen corresponding path program 1 times [2020-12-22 01:51:42,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:42,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065031991] [2020-12-22 01:51:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-22 01:51:42,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065031991] [2020-12-22 01:51:42,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:42,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:42,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699970377] [2020-12-22 01:51:42,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:42,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:42,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:42,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:42,537 INFO L87 Difference]: Start difference. First operand 2318 states and 2605 transitions. Second operand 3 states. [2020-12-22 01:51:43,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:43,421 INFO L93 Difference]: Finished difference Result 5524 states and 6299 transitions. [2020-12-22 01:51:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:43,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2020-12-22 01:51:43,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:43,439 INFO L225 Difference]: With dead ends: 5524 [2020-12-22 01:51:43,439 INFO L226 Difference]: Without dead ends: 3386 [2020-12-22 01:51:43,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:43,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-12-22 01:51:43,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2020-12-22 01:51:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-22 01:51:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3795 transitions. [2020-12-22 01:51:43,533 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3795 transitions. Word has length 378 [2020-12-22 01:51:43,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:43,534 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3795 transitions. [2020-12-22 01:51:43,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3795 transitions. [2020-12-22 01:51:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2020-12-22 01:51:43,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:43,549 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-12-22 01:51:43,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:51:43,550 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:43,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1203839641, now seen corresponding path program 1 times [2020-12-22 01:51:43,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:43,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787662671] [2020-12-22 01:51:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 326 proven. 195 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2020-12-22 01:51:44,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787662671] [2020-12-22 01:51:44,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557800451] [2020-12-22 01:51:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:51:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:44,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:51:44,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:51:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-12-22 01:51:45,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:51:45,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:51:45,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897515761] [2020-12-22 01:51:45,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:45,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:45,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:45,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:51:45,962 INFO L87 Difference]: Start difference. First operand 3386 states and 3795 transitions. Second operand 3 states. [2020-12-22 01:51:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:46,834 INFO L93 Difference]: Finished difference Result 7126 states and 8063 transitions. [2020-12-22 01:51:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:46,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 539 [2020-12-22 01:51:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:46,859 INFO L225 Difference]: With dead ends: 7126 [2020-12-22 01:51:46,860 INFO L226 Difference]: Without dead ends: 3920 [2020-12-22 01:51:46,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:51:46,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-12-22 01:51:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2020-12-22 01:51:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-12-22 01:51:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4242 transitions. [2020-12-22 01:51:46,965 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4242 transitions. Word has length 539 [2020-12-22 01:51:46,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:46,966 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4242 transitions. [2020-12-22 01:51:46,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4242 transitions. [2020-12-22 01:51:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-12-22 01:51:46,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:46,987 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-12-22 01:51:47,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-22 01:51:47,203 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:47,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:47,204 INFO L82 PathProgramCache]: Analyzing trace with hash -119379850, now seen corresponding path program 1 times [2020-12-22 01:51:47,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:47,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652132225] [2020-12-22 01:51:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-22 01:51:47,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652132225] [2020-12-22 01:51:47,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:47,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:47,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288952927] [2020-12-22 01:51:47,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:47,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:47,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:47,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:47,678 INFO L87 Difference]: Start difference. First operand 3742 states and 4242 transitions. Second operand 3 states. [2020-12-22 01:51:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:48,600 INFO L93 Difference]: Finished difference Result 8728 states and 9915 transitions. [2020-12-22 01:51:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:48,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 553 [2020-12-22 01:51:48,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:48,628 INFO L225 Difference]: With dead ends: 8728 [2020-12-22 01:51:48,629 INFO L226 Difference]: Without dead ends: 5166 [2020-12-22 01:51:48,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2020-12-22 01:51:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166. [2020-12-22 01:51:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-22 01:51:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5776 transitions. [2020-12-22 01:51:48,810 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5776 transitions. Word has length 553 [2020-12-22 01:51:48,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:48,811 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5776 transitions. [2020-12-22 01:51:48,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5776 transitions. [2020-12-22 01:51:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-12-22 01:51:48,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:48,822 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:51:48,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:51:48,822 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:48,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:48,823 INFO L82 PathProgramCache]: Analyzing trace with hash 851994121, now seen corresponding path program 1 times [2020-12-22 01:51:48,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:48,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151593774] [2020-12-22 01:51:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 928 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-12-22 01:51:49,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151593774] [2020-12-22 01:51:49,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:51:49,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:51:49,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575811905] [2020-12-22 01:51:49,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:49,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:49,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:49,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:49,577 INFO L87 Difference]: Start difference. First operand 5166 states and 5776 transitions. Second operand 3 states. [2020-12-22 01:51:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:50,466 INFO L93 Difference]: Finished difference Result 10330 states and 11550 transitions. [2020-12-22 01:51:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:50,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 587 [2020-12-22 01:51:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:50,497 INFO L225 Difference]: With dead ends: 10330 [2020-12-22 01:51:50,497 INFO L226 Difference]: Without dead ends: 5344 [2020-12-22 01:51:50,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:51:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-12-22 01:51:50,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5166. [2020-12-22 01:51:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-22 01:51:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5719 transitions. [2020-12-22 01:51:50,641 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5719 transitions. Word has length 587 [2020-12-22 01:51:50,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:50,642 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5719 transitions. [2020-12-22 01:51:50,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5719 transitions. [2020-12-22 01:51:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2020-12-22 01:51:50,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:51:50,655 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:51:50,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:51:50,656 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:51:50,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:51:50,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2033732575, now seen corresponding path program 1 times [2020-12-22 01:51:50,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:51:50,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119696311] [2020-12-22 01:51:50,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:51:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 1260 proven. 104 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-12-22 01:51:52,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119696311] [2020-12-22 01:51:52,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365024058] [2020-12-22 01:51:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:51:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:51:52,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:51:52,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:51:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2020-12-22 01:51:53,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:51:53,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:51:53,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268519184] [2020-12-22 01:51:53,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:51:53,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:51:53,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:51:53,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:51:53,132 INFO L87 Difference]: Start difference. First operand 5166 states and 5719 transitions. Second operand 3 states. [2020-12-22 01:51:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:51:54,018 INFO L93 Difference]: Finished difference Result 6412 states and 7046 transitions. [2020-12-22 01:51:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:51:54,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 664 [2020-12-22 01:51:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:51:54,020 INFO L225 Difference]: With dead ends: 6412 [2020-12-22 01:51:54,020 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:51:54,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:51:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:51:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:51:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:51:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:51:54,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 664 [2020-12-22 01:51:54,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:51:54,029 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:51:54,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:51:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:51:54,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:51:54,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:51:54,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:51:54,470 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-22 01:51:54,470 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-22 01:51:54,470 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-22 01:51:54,470 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-22 01:51:54,471 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-22 01:51:54,471 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,476 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-22 01:51:54,477 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-22 01:51:54,478 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-22 01:51:54,479 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-22 01:51:54,479 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-22 01:51:54,479 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,479 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,479 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-22 01:51:54,480 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-22 01:51:54,481 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,481 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,481 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,481 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-22 01:51:54,481 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:51:54,483 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:51:54,483 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:51:54,483 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:51:54,484 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:51:54,485 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,486 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,487 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-22 01:51:54,488 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:51:54,489 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,489 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,489 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,489 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-22 01:51:54,489 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-22 01:51:54,490 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-22 01:51:54,491 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-22 01:51:54,492 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,492 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2020-12-22 01:51:54,493 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,494 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-22 01:51:54,496 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-22 01:51:54,496 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:51:54,496 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:51:54,497 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-22 01:51:54,498 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,499 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,500 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,501 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,502 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,503 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,505 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= 9 ~a21~0))) (or (<= ~a21~0 7) (and .cse0 (<= ~a21~0 9)) (< 0 (+ ~a12~0 43)) (<= 7 ~a15~0) (and .cse0 (<= (+ ~a12~0 49) 0) (= ~a24~0 1)))) [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-22 01:51:54,506 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-22 01:51:54,507 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-22 01:51:54,508 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,509 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,509 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:51:54,509 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,509 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-22 01:51:54,510 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= 9 ~a21~0))) (or (<= ~a21~0 7) (and .cse0 (<= ~a21~0 9)) (< 0 (+ ~a12~0 43)) (<= 7 ~a15~0) (and .cse0 (<= (+ ~a12~0 49) 0) (= ~a24~0 1)))) [2020-12-22 01:51:54,510 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-22 01:51:54,510 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-22 01:51:54,510 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:51:54,510 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:51:54,510 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-22 01:51:54,511 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:51:54,512 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:51:54,512 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:51:54,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:51:54 BoogieIcfgContainer [2020-12-22 01:51:54,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:51:54,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:51:54,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:51:54,545 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:51:54,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:51:32" (3/4) ... [2020-12-22 01:51:54,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:51:54,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:51:54,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:51:54,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:51:54,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:51:54,820 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label01.c-witness.graphml [2020-12-22 01:51:54,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:51:54,823 INFO L168 Benchmark]: Toolchain (without parser) took 25611.93 ms. Allocated memory was 158.3 MB in the beginning and 1.1 GB in the end (delta: 920.6 MB). Free memory was 131.8 MB in the beginning and 759.1 MB in the end (delta: -627.4 MB). Peak memory consumption was 294.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,823 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:51:54,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 992.34 ms. Allocated memory is still 158.3 MB. Free memory was 131.6 MB in the beginning and 132.0 MB in the end (delta: -362.1 kB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.69 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 122.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,824 INFO L168 Benchmark]: Boogie Preprocessor took 89.97 ms. Allocated memory is still 158.3 MB. Free memory was 122.6 MB in the beginning and 116.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,825 INFO L168 Benchmark]: RCFGBuilder took 1746.17 ms. Allocated memory is still 158.3 MB. Free memory was 116.2 MB in the beginning and 74.5 MB in the end (delta: 41.7 MB). Peak memory consumption was 74.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,825 INFO L168 Benchmark]: TraceAbstraction took 22371.24 ms. Allocated memory was 158.3 MB in the beginning and 1.1 GB in the end (delta: 920.6 MB). Free memory was 74.5 MB in the beginning and 778.0 MB in the end (delta: -703.5 MB). Peak memory consumption was 217.1 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,826 INFO L168 Benchmark]: Witness Printer took 276.06 ms. Allocated memory is still 1.1 GB. Free memory was 778.0 MB in the beginning and 759.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-12-22 01:51:54,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 992.34 ms. Allocated memory is still 158.3 MB. Free memory was 131.6 MB in the beginning and 132.0 MB in the end (delta: -362.1 kB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 127.69 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 122.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.97 ms. Allocated memory is still 158.3 MB. Free memory was 122.6 MB in the beginning and 116.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1746.17 ms. Allocated memory is still 158.3 MB. Free memory was 116.2 MB in the beginning and 74.5 MB in the end (delta: 41.7 MB). Peak memory consumption was 74.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22371.24 ms. Allocated memory was 158.3 MB in the beginning and 1.1 GB in the end (delta: 920.6 MB). Free memory was 74.5 MB in the beginning and 778.0 MB in the end (delta: -703.5 MB). Peak memory consumption was 217.1 MB. Max. memory is 8.0 GB. * Witness Printer took 276.06 ms. Allocated memory is still 1.1 GB. Free memory was 778.0 MB in the beginning and 759.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((a21 <= 7 || (9 <= a21 && a21 <= 9)) || 0 < a12 + 43) || 7 <= a15) || ((9 <= a21 && a12 + 49 <= 0) && a24 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a21 <= 7 || (9 <= a21 && a21 <= 9)) || 0 < a12 + 43) || 7 <= a15) || ((9 <= a21 && a12 + 49 <= 0) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.0s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1410 SDtfs, 1545 SDslu, 61 SDs, 0 SdLazy, 5739 SolverSat, 1037 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1237 GetRequests, 1215 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 360 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 79 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1386 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 5168 NumberOfCodeBlocks, 5168 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 5155 ConstructedInterpolants, 0 QuantifiedInterpolants, 9141851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1558 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 8624/8923 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...