/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:32:24,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:32:24,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:32:24,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:32:24,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:32:24,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:32:24,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:32:24,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:32:24,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:32:24,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:32:24,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:32:24,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:32:24,578 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:32:24,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:32:24,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:32:24,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:32:24,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:32:24,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:32:24,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:32:24,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:32:24,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:32:24,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:32:24,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:32:24,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:32:24,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:32:24,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:32:24,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:32:24,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:32:24,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:32:24,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:32:24,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:32:24,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:32:24,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:32:24,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:32:24,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:32:24,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:32:24,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:32:24,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:32:25,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:32:25,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:32:25,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:32:25,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:32:25,176 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:32:25,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-10-23 18:32:25,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f0615fb/6347ad64e67f49f58aa8422b8a254a80/FLAG31f9f5591 [2020-10-23 18:32:26,285 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:32:26,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-10-23 18:32:26,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f0615fb/6347ad64e67f49f58aa8422b8a254a80/FLAG31f9f5591 [2020-10-23 18:32:26,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f0615fb/6347ad64e67f49f58aa8422b8a254a80 [2020-10-23 18:32:26,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:32:26,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:32:26,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:26,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:32:26,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:32:26,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:26" (1/1) ... [2020-10-23 18:32:26,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9832f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:26, skipping insertion in model container [2020-10-23 18:32:26,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:26" (1/1) ... [2020-10-23 18:32:26,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:32:26,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:32:27,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:27,125 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:32:27,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:27,415 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:32:27,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27 WrapperNode [2020-10-23 18:32:27,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:27,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:32:27,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:32:27,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:32:27,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (1/1) ... [2020-10-23 18:32:27,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:32:27,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:32:27,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:32:27,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:32:27,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (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 [2020-10-23 18:32:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:32:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:32:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:32:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:32:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:32:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:32:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:32:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:32:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:32:29,191 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:32:29,191 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:32:29,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:29 BoogieIcfgContainer [2020-10-23 18:32:29,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:32:29,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:32:29,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:32:29,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:32:29,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:32:26" (1/3) ... [2020-10-23 18:32:29,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bff6063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:29, skipping insertion in model container [2020-10-23 18:32:29,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:27" (2/3) ... [2020-10-23 18:32:29,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bff6063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:29, skipping insertion in model container [2020-10-23 18:32:29,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:29" (3/3) ... [2020-10-23 18:32:29,207 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-10-23 18:32:29,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:32:29,231 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:32:29,248 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:32:29,278 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:32:29,278 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:32:29,278 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:32:29,278 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:32:29,278 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:32:29,279 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:32:29,279 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:32:29,279 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:32:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:32:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-23 18:32:29,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:29,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:29,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:29,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1366350701, now seen corresponding path program 1 times [2020-10-23 18:32:29,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:29,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113400130] [2020-10-23 18:32:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:30,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113400130] [2020-10-23 18:32:30,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:30,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:32:30,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900876549] [2020-10-23 18:32:30,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:32:30,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:30,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:32:30,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:32:30,275 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:32:30,462 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:32,753 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-23 18:32:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:32:32,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-10-23 18:32:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:32,786 INFO L225 Difference]: With dead ends: 667 [2020-10-23 18:32:32,787 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:32:32,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:32:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:32:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-23 18:32:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-23 18:32:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-23 18:32:32,923 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 122 [2020-10-23 18:32:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:32,925 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-23 18:32:32,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:32:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-23 18:32:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-23 18:32:32,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:32,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:32,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:32:32,947 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:32,948 INFO L82 PathProgramCache]: Analyzing trace with hash -812606303, now seen corresponding path program 1 times [2020-10-23 18:32:32,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:32,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058571836] [2020-10-23 18:32:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:33,251 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:32:33,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:33,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058571836] [2020-10-23 18:32:33,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:33,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:32:33,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852236440] [2020-10-23 18:32:33,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:33,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:33,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:33,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:33,440 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-10-23 18:32:33,602 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:32:34,122 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:32:36,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:36,012 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-10-23 18:32:36,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:32:36,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2020-10-23 18:32:36,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:36,038 INFO L225 Difference]: With dead ends: 991 [2020-10-23 18:32:36,040 INFO L226 Difference]: Without dead ends: 659 [2020-10-23 18:32:36,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:32:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-10-23 18:32:36,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-10-23 18:32:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-23 18:32:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-10-23 18:32:36,175 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 130 [2020-10-23 18:32:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:36,176 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-10-23 18:32:36,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-10-23 18:32:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-23 18:32:36,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:36,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:36,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:32:36,200 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:36,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:36,201 INFO L82 PathProgramCache]: Analyzing trace with hash 356448053, now seen corresponding path program 1 times [2020-10-23 18:32:36,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:36,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527261757] [2020-10-23 18:32:36,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:36,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:36,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527261757] [2020-10-23 18:32:36,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:36,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:32:36,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092559142] [2020-10-23 18:32:36,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:36,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:36,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:36,521 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-10-23 18:32:36,678 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:38,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:38,915 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-10-23 18:32:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:32:38,919 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-10-23 18:32:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:38,937 INFO L225 Difference]: With dead ends: 1925 [2020-10-23 18:32:38,937 INFO L226 Difference]: Without dead ends: 1288 [2020-10-23 18:32:38,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:32:38,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-10-23 18:32:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-10-23 18:32:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-23 18:32:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1689 transitions. [2020-10-23 18:32:39,054 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1689 transitions. Word has length 136 [2020-10-23 18:32:39,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:39,056 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1689 transitions. [2020-10-23 18:32:39,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1689 transitions. [2020-10-23 18:32:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-23 18:32:39,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:39,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:39,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:32:39,066 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:39,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1392202414, now seen corresponding path program 1 times [2020-10-23 18:32:39,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:39,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552458258] [2020-10-23 18:32:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:39,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:39,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552458258] [2020-10-23 18:32:39,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:39,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:32:39,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029194660] [2020-10-23 18:32:39,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:32:39,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:39,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:32:39,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:32:39,455 INFO L87 Difference]: Start difference. First operand 1256 states and 1689 transitions. Second operand 8 states. [2020-10-23 18:32:39,625 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:39,898 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:32:41,481 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:42,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:42,651 INFO L93 Difference]: Finished difference Result 4330 states and 5975 transitions. [2020-10-23 18:32:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:32:42,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-10-23 18:32:42,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:42,675 INFO L225 Difference]: With dead ends: 4330 [2020-10-23 18:32:42,675 INFO L226 Difference]: Without dead ends: 3080 [2020-10-23 18:32:42,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:32:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-10-23 18:32:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-10-23 18:32:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-10-23 18:32:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3779 transitions. [2020-10-23 18:32:42,834 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3779 transitions. Word has length 150 [2020-10-23 18:32:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:42,835 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3779 transitions. [2020-10-23 18:32:42,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:32:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3779 transitions. [2020-10-23 18:32:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-23 18:32:42,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:42,848 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:42,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:32:42,849 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:42,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:42,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1401729372, now seen corresponding path program 1 times [2020-10-23 18:32:42,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:42,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812241726] [2020-10-23 18:32:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:32:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-23 18:32:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:32:43,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812241726] [2020-10-23 18:32:43,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099984387] [2020-10-23 18:32:43,170 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 [2020-10-23 18:32:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:43,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:32:43,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:32:43,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:32:43,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:32:43,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696139529] [2020-10-23 18:32:43,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:32:43,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:43,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:32:43,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:32:43,765 INFO L87 Difference]: Start difference. First operand 3054 states and 3779 transitions. Second operand 10 states. [2020-10-23 18:32:43,937 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:45,496 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-23 18:32:46,759 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:32:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:48,924 INFO L93 Difference]: Finished difference Result 7613 states and 9776 transitions. [2020-10-23 18:32:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 18:32:48,925 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-10-23 18:32:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:48,959 INFO L225 Difference]: With dead ends: 7613 [2020-10-23 18:32:48,960 INFO L226 Difference]: Without dead ends: 4565 [2020-10-23 18:32:48,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:32:48,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2020-10-23 18:32:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 4545. [2020-10-23 18:32:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4545 states. [2020-10-23 18:32:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 5617 transitions. [2020-10-23 18:32:49,245 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 5617 transitions. Word has length 155 [2020-10-23 18:32:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:49,246 INFO L481 AbstractCegarLoop]: Abstraction has 4545 states and 5617 transitions. [2020-10-23 18:32:49,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:32:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 5617 transitions. [2020-10-23 18:32:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-23 18:32:49,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:49,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:49,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:49,487 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash -692000235, now seen corresponding path program 1 times [2020-10-23 18:32:49,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:49,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149601071] [2020-10-23 18:32:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:32:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:32:50,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149601071] [2020-10-23 18:32:50,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095056289] [2020-10-23 18:32:50,039 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 [2020-10-23 18:32:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:50,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:32:50,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:32:50,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:32:50,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:32:50,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158233636] [2020-10-23 18:32:50,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:32:50,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:50,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:32:50,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:50,323 INFO L87 Difference]: Start difference. First operand 4545 states and 5617 transitions. Second operand 3 states. [2020-10-23 18:32:51,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:51,284 INFO L93 Difference]: Finished difference Result 8936 states and 11048 transitions. [2020-10-23 18:32:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:32:51,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-10-23 18:32:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:51,320 INFO L225 Difference]: With dead ends: 8936 [2020-10-23 18:32:51,320 INFO L226 Difference]: Without dead ends: 4397 [2020-10-23 18:32:51,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:51,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2020-10-23 18:32:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4109. [2020-10-23 18:32:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2020-10-23 18:32:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 4783 transitions. [2020-10-23 18:32:51,508 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 4783 transitions. Word has length 157 [2020-10-23 18:32:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:51,511 INFO L481 AbstractCegarLoop]: Abstraction has 4109 states and 4783 transitions. [2020-10-23 18:32:51,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:32:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 4783 transitions. [2020-10-23 18:32:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-23 18:32:51,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:51,524 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:51,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:51,740 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:51,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:51,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1550625542, now seen corresponding path program 1 times [2020-10-23 18:32:51,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:51,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739087343] [2020-10-23 18:32:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:32:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:32:52,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739087343] [2020-10-23 18:32:52,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8125344] [2020-10-23 18:32:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:52,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:32:52,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:52,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:32:52,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-10-23 18:32:52,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764639438] [2020-10-23 18:32:52,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:52,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:52,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:52,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:52,301 INFO L87 Difference]: Start difference. First operand 4109 states and 4783 transitions. Second operand 7 states. [2020-10-23 18:32:55,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:55,291 INFO L93 Difference]: Finished difference Result 10202 states and 12028 transitions. [2020-10-23 18:32:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:32:55,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-10-23 18:32:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:55,321 INFO L225 Difference]: With dead ends: 10202 [2020-10-23 18:32:55,321 INFO L226 Difference]: Without dead ends: 5631 [2020-10-23 18:32:55,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:32:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2020-10-23 18:32:55,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5470. [2020-10-23 18:32:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5470 states. [2020-10-23 18:32:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5470 states to 5470 states and 6255 transitions. [2020-10-23 18:32:55,486 INFO L78 Accepts]: Start accepts. Automaton has 5470 states and 6255 transitions. Word has length 170 [2020-10-23 18:32:55,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:55,487 INFO L481 AbstractCegarLoop]: Abstraction has 5470 states and 6255 transitions. [2020-10-23 18:32:55,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5470 states and 6255 transitions. [2020-10-23 18:32:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 18:32:55,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:55,504 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:55,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:55,718 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:55,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:55,719 INFO L82 PathProgramCache]: Analyzing trace with hash 414854661, now seen corresponding path program 1 times [2020-10-23 18:32:55,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:55,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948600047] [2020-10-23 18:32:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:55,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:32:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:32:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 77 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:32:56,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948600047] [2020-10-23 18:32:56,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143581411] [2020-10-23 18:32:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:32:56,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:32:56,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:32:56,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-10-23 18:32:56,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280909126] [2020-10-23 18:32:56,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:32:56,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:32:56,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:32:56,419 INFO L87 Difference]: Start difference. First operand 5470 states and 6255 transitions. Second operand 12 states. [2020-10-23 18:32:56,804 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-23 18:32:57,602 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-23 18:32:58,850 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:32:59,503 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:33:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:02,841 INFO L93 Difference]: Finished difference Result 9373 states and 10692 transitions. [2020-10-23 18:33:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-23 18:33:02,841 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-10-23 18:33:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:02,842 INFO L225 Difference]: With dead ends: 9373 [2020-10-23 18:33:02,842 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:33:02,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2020-10-23 18:33:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:33:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:33:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:33:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:33:02,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-10-23 18:33:02,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:02,862 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:33:02,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:33:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:33:02,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:33:03,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:03,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:33:03,649 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2020-10-23 18:33:03,772 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2020-10-23 18:33:03,997 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2020-10-23 18:33:06,126 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 172 DAG size of output: 73 [2020-10-23 18:33:06,857 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2020-10-23 18:33:07,550 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2020-10-23 18:33:08,040 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2020-10-23 18:33:08,047 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:33:08,047 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:33:08,047 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:33:08,048 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:33:08,048 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:08,048 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:33:08,049 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:08,049 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:33:08,049 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:33:08,049 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:33:08,049 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:08,050 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,051 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:33:08,052 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,053 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:33:08,054 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:33:08,055 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,056 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:33:08,057 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,058 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:33:08,059 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,060 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,061 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,061 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:33:08,061 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:33:08,061 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:33:08,061 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:33:08,063 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:33:08,064 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:33:08,064 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:33:08,064 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:33:08,064 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:33:08,064 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:08,065 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:33:08,066 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:08,066 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,069 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,070 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:33:08,071 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:33:08,072 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:33:08,072 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:33:08,072 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:33:08,073 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:33:08,073 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,073 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,073 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:33:08,074 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:33:08,076 INFO L270 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse8 (not (= 9 |old(~a28~0)|))) (.cse9 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse4 (not (<= |old(~a28~0)| 7))) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse0 (not (= |old(~a19~0)| 1))) (.cse3 (not (<= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a25~0)| 1))) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse1 (= 11 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse11 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse8 .cse9 .cse10) (or .cse5 .cse8 .cse11 .cse9 .cse10) (or .cse0 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse11) (or .cse4 .cse0 .cse6 .cse9 .cse10) (or .cse7 (not (<= |old(~a28~0)| 9)) .cse11) (or .cse4 .cse5 .cse0 .cse7) (or .cse4 .cse5 .cse0 .cse2) (or .cse0 .cse1 .cse7 .cse3) (or .cse5 .cse6 .cse1 .cse7 .cse11))) [2020-10-23 18:33:08,076 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:33:08,076 INFO L274 CegarLoopResult]: For program point L519-1(line 519) no Hoare annotation was computed. [2020-10-23 18:33:08,076 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,077 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:33:08,078 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:33:08,079 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a19~0 1)) (.cse4 (= ~a25~0 1))) (let ((.cse11 (= ~a25~0 ~a11~0)) (.cse15 (= |old(~a17~0)| |old(~a28~0)|)) (.cse16 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 9 |old(~a28~0)|))) (.cse13 (= ~a28~0 9)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse1 .cse2 .cse3 .cse12 .cse4)) (.cse22 (and .cse1 .cse2 .cse3 .cse18 .cse5)) (.cse9 (not (<= |old(~a19~0)| 0))) (.cse10 (not (= |old(~a19~0)| 1))) (.cse7 (= 11 |old(~a28~0)|)) (.cse23 (not (<= |old(~a17~0)| 7))) (.cse20 (not (<= 10 |old(~a28~0)|))) (.cse21 (and .cse1 .cse2 .cse3 .cse12 .cse18))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 (and .cse11 .cse2 .cse12 .cse4 .cse13) .cse14 .cse15 .cse16) (or .cse0 .cse14 .cse9 .cse15 (and .cse11 .cse2 .cse4 .cse13 .cse5) .cse16) (or .cse17 .cse10 .cse6 (and .cse1 .cse11 .cse2 .cse12 .cse18) .cse15 .cse16) (or .cse17 .cse0 .cse10 .cse6 .cse19) (or .cse10 .cse7 .cse8 .cse20 .cse21) (or .cse17 .cse0 .cse10 .cse8 .cse19) (or .cse0 .cse10 .cse6 .cse8 .cse19) (or .cse10 .cse8 .cse14 (and .cse2 .cse3 .cse12 .cse18 .cse13)) (or .cse22 .cse8 (not (<= |old(~a28~0)| 9)) .cse9) (or .cse17 .cse0 .cse10 .cse23 .cse19) (or .cse22 .cse7 .cse23 .cse20 .cse9) (or .cse10 .cse7 .cse23 .cse20 .cse21)))) [2020-10-23 18:33:08,079 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:33:08,079 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:33:08,079 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:33:08,079 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,080 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:33:08,081 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:33:08,082 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:33:08,083 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,084 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:33:08,085 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:33:08,086 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:33:08,086 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:33:08,086 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:08,086 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:08,087 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,088 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:08,090 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:33:08,090 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:33:08,090 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:33:08,091 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:33:08,091 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:08,091 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7)) [2020-10-23 18:33:08,091 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:33:08,091 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:08,092 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse7 (not (= ~a28~0 ~a17~0))) (.cse8 (= ~a25~0 ~a11~0)) (.cse2 (= ~a28~0 9)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= 8 |old(~a17~0)|)) (.cse1 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse12 (= ~a11~0 0)) (.cse5 (<= ~a28~0 7))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse4 .cse2) (and .cse9 .cse10 .cse6 .cse3 .cse11) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse9 (<= ~a28~0 9) .cse3) (and .cse0 .cse10 .cse1 .cse3 .cse11) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse9 .cse4 .cse12 .cse3 .cse11) (and .cse10 .cse1 .cse6 .cse3 .cse11) (and .cse7 .cse8 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse12 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse1 .cse4 .cse12 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:08,092 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:33:08,092 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:08,092 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:08,093 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse7 (not (= ~a28~0 ~a17~0))) (.cse8 (= ~a25~0 ~a11~0)) (.cse2 (= ~a28~0 9)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= 8 |old(~a17~0)|)) (.cse1 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse12 (= ~a11~0 0)) (.cse5 (<= ~a28~0 7))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse4 .cse2) (and .cse9 .cse10 .cse6 .cse3 .cse11) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse9 (<= ~a28~0 9) .cse3) (and .cse0 .cse10 .cse1 .cse3 .cse11) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse9 .cse4 .cse12 .cse3 .cse11) (and .cse10 .cse1 .cse6 .cse3 .cse11) (and .cse7 .cse8 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse12 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse1 .cse4 .cse12 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:08,093 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:33:08,093 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:33:08,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:33:08 BoogieIcfgContainer [2020-10-23 18:33:08,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:33:08,166 INFO L168 Benchmark]: Toolchain (without parser) took 41699.08 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 125.1 MB in the beginning and 454.1 MB in the end (delta: -329.0 MB). Peak memory consumption was 347.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:08,166 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:33:08,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 976.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 132.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:08,172 INFO L168 Benchmark]: Boogie Preprocessor took 171.77 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 127.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:08,172 INFO L168 Benchmark]: RCFGBuilder took 1571.84 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 106.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:08,181 INFO L168 Benchmark]: TraceAbstraction took 38966.39 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 106.4 MB in the beginning and 454.1 MB in the end (delta: -347.7 MB). Peak memory consumption was 327.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:08,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 976.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 132.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 171.77 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 127.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1571.84 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 106.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38966.39 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 106.4 MB in the beginning and 454.1 MB in the end (delta: -347.7 MB). Peak memory consumption was 327.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(a19) == 1) || (((a17 == \old(a17) && a19 == 1) && a28 == 9) && 8 == \old(a17))) || ((((a17 == \old(a17) && a19 == 1) && a25 == 1) && a28 <= 7) && 8 == \old(a17))) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 7) && 8 == \old(a17))) || ((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a25 == 1) && a28 == 9)) || ((((a19 <= 0 && 10 <= a28) && a17 <= 7) && 8 == \old(a17)) && !(a28 == 11))) || !(\old(a28) <= 7)) || (((a17 == \old(a17) && a19 <= 0) && a28 <= 9) && 8 == \old(a17))) || ((((a17 == \old(a17) && 10 <= a28) && a19 == 1) && 8 == \old(a17)) && !(a28 == 11))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || !(0 == \old(a11))) || (((((a17 == \old(a17) && a19 <= 0) && a25 == 1) && a11 == 0) && 8 == \old(a17)) && !(a28 == 11))) || ((((10 <= a28 && a19 == 1) && a17 <= 7) && 8 == \old(a17)) && !(a28 == 11))) || ((((!(a28 == a17) && a25 == a11) && a19 == 1) && a25 == 1) && a28 == 9)) || ((((a17 == \old(a17) && a19 == 1) && a25 == 1) && a11 == 0) && 8 == \old(a17))) || \old(a17) == \old(a28)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a28 <= 7)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 6829 SDslu, 569 SDs, 0 SdLazy, 10100 SolverSat, 1716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 827 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5470occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 547 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 332 PreInvPairs, 394 NumberOfFragments, 1247 HoareAnnotationTreeSize, 332 FomulaSimplifications, 18989 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4722 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1858 NumberOfCodeBlocks, 1858 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1846 ConstructedInterpolants, 0 QuantifiedInterpolants, 844565 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2038 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 501/527 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...