/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/Problem10_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:35:49,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:35:49,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:35:49,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:35:49,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:35:49,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:35:49,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:35:49,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:35:49,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:35:49,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:35:49,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:35:49,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:35:49,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:35:49,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:35:49,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:35:49,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:35:49,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:35:49,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:35:49,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:35:49,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:35:49,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:35:49,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:35:49,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:35:49,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:35:49,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:35:49,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:35:49,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:35:49,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:35:49,593 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 18:35:49,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:35:49,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:35:49,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:35:49,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:35:49,633 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:35:49,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:35:49,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:35:49,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:35:49,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:35:49,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:35:49,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:35:49,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:35:49,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:35:49,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:35:49,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:35:49,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:35:49,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:35:49,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:35:49,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:35:49,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:35:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:35:49,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:35:49,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:35:49,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:35:49,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:35:49,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:35:49,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:35:49,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:35:49,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:35:49,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:35:50,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:35:50,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:35:50,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:35:50,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:35:50,160 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:35:50,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-10-23 18:35:50,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34501b697/b4f812df9c3545b1a0a2210e10529249/FLAG5a0c6b193 [2020-10-23 18:35:51,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:35:51,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-10-23 18:35:51,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34501b697/b4f812df9c3545b1a0a2210e10529249/FLAG5a0c6b193 [2020-10-23 18:35:51,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34501b697/b4f812df9c3545b1a0a2210e10529249 [2020-10-23 18:35:51,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:35:51,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:35:51,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:51,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:35:51,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:35:51,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:51" (1/1) ... [2020-10-23 18:35:51,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b78c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:51, skipping insertion in model container [2020-10-23 18:35:51,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:51" (1/1) ... [2020-10-23 18:35:51,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:35:51,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:35:51,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:52,012 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:35:52,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:52,255 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:35:52,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52 WrapperNode [2020-10-23 18:35:52,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:52,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:35:52,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:35:52,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:35:52,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (1/1) ... [2020-10-23 18:35:52,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:35:52,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:35:52,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:35:52,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:35:52,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (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 18:35:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:35:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:35:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:35:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:35:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:35:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:35:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:35:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:35:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:35:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:35:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:35:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:35:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:35:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:35:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:35:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:35:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:35:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:35:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:35:54,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:35:54,568 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:35:54,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:54 BoogieIcfgContainer [2020-10-23 18:35:54,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:35:54,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:35:54,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:35:54,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:35:54,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:35:51" (1/3) ... [2020-10-23 18:35:54,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:54, skipping insertion in model container [2020-10-23 18:35:54,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:52" (2/3) ... [2020-10-23 18:35:54,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:54, skipping insertion in model container [2020-10-23 18:35:54,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:54" (3/3) ... [2020-10-23 18:35:54,589 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label03.c [2020-10-23 18:35:54,603 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:35:54,609 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:35:54,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:35:54,671 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:35:54,672 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:35:54,672 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:35:54,672 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:35:54,672 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:35:54,672 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:35:54,672 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:35:54,673 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:35:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:35:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-23 18:35:54,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:54,710 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] [2020-10-23 18:35:54,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:54,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:54,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1031714486, now seen corresponding path program 1 times [2020-10-23 18:35:54,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:54,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949191118] [2020-10-23 18:35:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:55,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:55,247 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 18:35:55,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949191118] [2020-10-23 18:35:55,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:55,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:35:55,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832204172] [2020-10-23 18:35:55,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:35:55,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:55,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:35:55,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:35:55,292 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-23 18:35:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:57,782 INFO L93 Difference]: Finished difference Result 601 states and 1028 transitions. [2020-10-23 18:35:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:35:57,785 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-10-23 18:35:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:57,812 INFO L225 Difference]: With dead ends: 601 [2020-10-23 18:35:57,812 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 18:35:57,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:35:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 18:35:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-23 18:35:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-23 18:35:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-23 18:35:57,940 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 43 [2020-10-23 18:35:57,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:57,941 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-23 18:35:57,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:35:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-23 18:35:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-23 18:35:57,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:57,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:57,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:35:57,948 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:57,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:57,949 INFO L82 PathProgramCache]: Analyzing trace with hash -457003641, now seen corresponding path program 1 times [2020-10-23 18:35:57,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:57,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466693535] [2020-10-23 18:35:57,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:58,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:35:58,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466693535] [2020-10-23 18:35:58,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156617517] [2020-10-23 18:35:58,507 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 18:35:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:58,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:58,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:58,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:58,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-10-23 18:35:58,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648129754] [2020-10-23 18:35:58,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:58,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:58,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:58,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:58,793 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 3 states. [2020-10-23 18:35:59,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:59,899 INFO L93 Difference]: Finished difference Result 588 states and 901 transitions. [2020-10-23 18:35:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:59,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-10-23 18:35:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:59,905 INFO L225 Difference]: With dead ends: 588 [2020-10-23 18:35:59,906 INFO L226 Difference]: Without dead ends: 585 [2020-10-23 18:35:59,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:59,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-10-23 18:35:59,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 297. [2020-10-23 18:35:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-23 18:35:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-23 18:35:59,940 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 113 [2020-10-23 18:35:59,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:59,941 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-23 18:35:59,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-23 18:35:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-23 18:35:59,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:59,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:00,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-23 18:36:00,159 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:00,161 INFO L82 PathProgramCache]: Analyzing trace with hash -297505575, now seen corresponding path program 1 times [2020-10-23 18:36:00,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:00,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065977703] [2020-10-23 18:36:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:00,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:00,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065977703] [2020-10-23 18:36:00,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:36:00,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:36:00,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584204251] [2020-10-23 18:36:00,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:36:00,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:00,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:36:00,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:36:00,555 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 8 states. [2020-10-23 18:36:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:03,028 INFO L93 Difference]: Finished difference Result 753 states and 1158 transitions. [2020-10-23 18:36:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:36:03,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-10-23 18:36:03,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:03,035 INFO L225 Difference]: With dead ends: 753 [2020-10-23 18:36:03,036 INFO L226 Difference]: Without dead ends: 462 [2020-10-23 18:36:03,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:36:03,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-10-23 18:36:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 446. [2020-10-23 18:36:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-23 18:36:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 627 transitions. [2020-10-23 18:36:03,068 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 627 transitions. Word has length 116 [2020-10-23 18:36:03,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:03,069 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 627 transitions. [2020-10-23 18:36:03,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:36:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 627 transitions. [2020-10-23 18:36:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-23 18:36:03,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:03,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:03,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:36:03,073 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:03,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1485864929, now seen corresponding path program 1 times [2020-10-23 18:36:03,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:03,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027935755] [2020-10-23 18:36:03,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:03,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027935755] [2020-10-23 18:36:03,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:36:03,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:36:03,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164269445] [2020-10-23 18:36:03,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:36:03,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:03,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:36:03,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:36:03,349 INFO L87 Difference]: Start difference. First operand 446 states and 627 transitions. Second operand 7 states. [2020-10-23 18:36:05,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:05,644 INFO L93 Difference]: Finished difference Result 1351 states and 1940 transitions. [2020-10-23 18:36:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:36:05,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2020-10-23 18:36:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:05,652 INFO L225 Difference]: With dead ends: 1351 [2020-10-23 18:36:05,652 INFO L226 Difference]: Without dead ends: 911 [2020-10-23 18:36:05,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:36:05,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-10-23 18:36:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 748. [2020-10-23 18:36:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-23 18:36:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 974 transitions. [2020-10-23 18:36:05,698 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 974 transitions. Word has length 125 [2020-10-23 18:36:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:05,699 INFO L481 AbstractCegarLoop]: Abstraction has 748 states and 974 transitions. [2020-10-23 18:36:05,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:36:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 974 transitions. [2020-10-23 18:36:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-23 18:36:05,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:05,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:36:05,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:36:05,705 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:05,706 INFO L82 PathProgramCache]: Analyzing trace with hash -587020516, now seen corresponding path program 1 times [2020-10-23 18:36:05,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:05,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769895326] [2020-10-23 18:36:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:05,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:05,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:36:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:36:06,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769895326] [2020-10-23 18:36:06,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872127004] [2020-10-23 18:36:06,089 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 18:36:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:06,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:06,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:06,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:36:06,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:36:06,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608968427] [2020-10-23 18:36:06,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:36:06,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:06,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:36:06,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:36:06,390 INFO L87 Difference]: Start difference. First operand 748 states and 974 transitions. Second operand 10 states. [2020-10-23 18:36:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:09,831 INFO L93 Difference]: Finished difference Result 2114 states and 2877 transitions. [2020-10-23 18:36:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 18:36:09,832 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-23 18:36:09,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:09,848 INFO L225 Difference]: With dead ends: 2114 [2020-10-23 18:36:09,848 INFO L226 Difference]: Without dead ends: 1372 [2020-10-23 18:36:09,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:36:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-10-23 18:36:09,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1352. [2020-10-23 18:36:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-10-23 18:36:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1767 transitions. [2020-10-23 18:36:09,944 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1767 transitions. Word has length 195 [2020-10-23 18:36:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:09,948 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 1767 transitions. [2020-10-23 18:36:09,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:36:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1767 transitions. [2020-10-23 18:36:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-23 18:36:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:09,955 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:36:10,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:10,170 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:10,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1590146486, now seen corresponding path program 1 times [2020-10-23 18:36:10,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:10,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410393543] [2020-10-23 18:36:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 18:36:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 70 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:36:10,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410393543] [2020-10-23 18:36:10,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038811799] [2020-10-23 18:36:10,757 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 18:36:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:10,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:10,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-23 18:36:11,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:11,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:36:11,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893908290] [2020-10-23 18:36:11,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:11,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:11,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:11,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:11,109 INFO L87 Difference]: Start difference. First operand 1352 states and 1767 transitions. Second operand 3 states. [2020-10-23 18:36:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:12,019 INFO L93 Difference]: Finished difference Result 1641 states and 2138 transitions. [2020-10-23 18:36:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:12,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-23 18:36:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:12,031 INFO L225 Difference]: With dead ends: 1641 [2020-10-23 18:36:12,032 INFO L226 Difference]: Without dead ends: 1638 [2020-10-23 18:36:12,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2020-10-23 18:36:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1352. [2020-10-23 18:36:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-10-23 18:36:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1766 transitions. [2020-10-23 18:36:12,102 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1766 transitions. Word has length 212 [2020-10-23 18:36:12,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:12,103 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 1766 transitions. [2020-10-23 18:36:12,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1766 transitions. [2020-10-23 18:36:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-23 18:36:12,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:12,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:36:12,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:12,325 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:12,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash -396984962, now seen corresponding path program 1 times [2020-10-23 18:36:12,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:12,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508663706] [2020-10-23 18:36:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:12,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:12,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 18:36:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 70 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:36:12,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508663706] [2020-10-23 18:36:12,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943955682] [2020-10-23 18:36:12,901 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 18:36:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:13,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:13,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-23 18:36:13,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:13,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:36:13,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736834172] [2020-10-23 18:36:13,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:13,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:13,174 INFO L87 Difference]: Start difference. First operand 1352 states and 1766 transitions. Second operand 3 states. [2020-10-23 18:36:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:14,013 INFO L93 Difference]: Finished difference Result 2695 states and 3532 transitions. [2020-10-23 18:36:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:14,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-23 18:36:14,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:14,016 INFO L225 Difference]: With dead ends: 2695 [2020-10-23 18:36:14,016 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:36:14,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:36:14,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:36:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:36:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:36:14,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2020-10-23 18:36:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:14,025 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:36:14,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:36:14,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:36:14,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:14,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:36:14,722 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-10-23 18:36:15,344 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2020-10-23 18:36:15,486 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:36:15,486 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:36:15,486 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:36:15,487 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:36:15,487 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:15,489 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-23 18:36:15,489 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:15,489 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:36:15,490 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:36:15,490 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:36:15,490 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:36:15,490 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:36:15,492 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:36:15,492 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:36:15,492 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:36:15,492 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:36:15,492 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:36:15,493 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:36:15,493 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:36:15,493 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,497 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,498 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:36:15,498 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:36:15,499 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:36:15,500 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:36:15,500 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:36:15,500 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,500 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,502 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,502 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,502 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:36:15,503 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,504 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,505 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,505 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,505 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:36:15,505 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:36:15,506 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:36:15,506 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:36:15,506 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:36:15,506 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:36:15,506 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:36:15,507 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L270 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (not (= 0 |old(~a10~0)|)) (or (not (<= |old(~a19~0)| 9)) (not (<= 3 |old(~a10~0)|))) (or (not (<= 7 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2)))) [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:36:15,508 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,509 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,510 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,511 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:36:15,512 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,513 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:36:15,514 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,515 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (<= 7 |old(~a19~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse0 (not (<= |old(~a19~0)| 9)) (not (<= 3 |old(~a10~0)|))))) [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:36:15,516 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:36:15,517 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:36:15,518 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:36:15,519 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,520 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:36:15,521 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,522 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:15,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:15,523 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9)) [2020-10-23 18:36:15,523 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:36:15,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:15,523 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:15,523 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:36:15,523 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 3 ~a10~0) (<= ~a19~0 9)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 0) (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:15,524 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:36:15,524 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:36:15,524 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 3 ~a10~0) (<= ~a19~0 9)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 0) (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:15,524 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:36:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:36:15 BoogieIcfgContainer [2020-10-23 18:36:15,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:36:15,547 INFO L168 Benchmark]: Toolchain (without parser) took 24161.43 ms. Allocated memory was 155.2 MB in the beginning and 362.8 MB in the end (delta: 207.6 MB). Free memory was 129.0 MB in the beginning and 211.4 MB in the end (delta: -82.3 MB). Peak memory consumption was 215.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:15,548 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 155.2 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:36:15,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.81 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 133.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:15,550 INFO L168 Benchmark]: Boogie Preprocessor took 190.59 ms. Allocated memory is still 155.2 MB. Free memory was 133.0 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:15,551 INFO L168 Benchmark]: RCFGBuilder took 2120.39 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 109.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:15,552 INFO L168 Benchmark]: TraceAbstraction took 20967.19 ms. Allocated memory was 155.2 MB in the beginning and 362.8 MB in the end (delta: 207.6 MB). Free memory was 108.9 MB in the beginning and 211.4 MB in the end (delta: -102.5 MB). Peak memory consumption was 193.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:15,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 155.2 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 860.81 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 133.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 190.59 ms. Allocated memory is still 155.2 MB. Free memory was 133.0 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2120.39 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 109.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20967.19 ms. Allocated memory was 155.2 MB in the beginning and 362.8 MB in the end (delta: 207.6 MB). Free memory was 108.9 MB in the beginning and 211.4 MB in the end (delta: -102.5 MB). Peak memory consumption was 193.7 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: 584]: Loop Invariant Derived loop invariant: (((((!(23 <= \old(a1)) || (3 <= a10 && a19 <= 9)) || !(9 <= \old(a19))) || a10 == 0) || (7 <= a19 && a10 <= 2)) || !(\old(a19) <= 9)) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 354 SDtfs, 2749 SDslu, 217 SDs, 0 SdLazy, 4804 SolverSat, 1104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 845 GetRequests, 784 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1352occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 779 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 71 PreInvPairs, 89 NumberOfFragments, 251 HoareAnnotationTreeSize, 71 FomulaSimplifications, 31098 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1533 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1802 NumberOfCodeBlocks, 1802 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1791 ConstructedInterpolants, 0 QuantifiedInterpolants, 945403 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1682 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 864/1018 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...