/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:37:49,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:37:49,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:37:49,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:37:49,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:37:49,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:37:49,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:37:49,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:37:49,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:37:49,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:37:49,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:37:49,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:37:49,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:37:49,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:37:49,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:37:49,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:37:49,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:37:49,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:37:49,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:37:49,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:37:49,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:37:49,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:37:49,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:37:49,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:37:49,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:37:49,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:37:49,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:37:49,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:37:49,916 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 18:37:49,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:37:49,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:37:49,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:37:49,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:37:49,989 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:37:49,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:37:49,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:37:49,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:37:49,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:37:49,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:37:49,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:37:49,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:37:49,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:37:49,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:37:49,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:37:49,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:37:49,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:37:49,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:37:49,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:37:49,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:37:49,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:37:49,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:37:49,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:37:49,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:37:49,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:37:49,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:37:49,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:37:49,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:37:49,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:37:49,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:37:50,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:37:50,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:37:50,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:37:50,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:37:50,528 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:37:50,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-23 18:37:50,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fa651fd/9ae1e4654664448aba1df1fbab290cfe/FLAG2210077f4 [2020-10-23 18:37:51,391 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:37:51,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-23 18:37:51,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fa651fd/9ae1e4654664448aba1df1fbab290cfe/FLAG2210077f4 [2020-10-23 18:37:51,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fa651fd/9ae1e4654664448aba1df1fbab290cfe [2020-10-23 18:37:51,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:37:51,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:37:51,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:51,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:37:51,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:37:51,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:51" (1/1) ... [2020-10-23 18:37:51,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738b9d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:51, skipping insertion in model container [2020-10-23 18:37:51,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:51" (1/1) ... [2020-10-23 18:37:51,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:37:51,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:37:52,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:52,151 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:37:52,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:52,432 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:37:52,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52 WrapperNode [2020-10-23 18:37:52,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:52,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:37:52,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:37:52,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:37:52,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (1/1) ... [2020-10-23 18:37:52,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:37:52,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:37:52,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:37:52,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:37:52,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (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 18:37:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:37:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:37:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:37:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:37:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:37:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:37:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:37:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:37:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:37:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:37:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:37:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:37:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:37:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:37:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:37:54,475 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:37:54,475 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:37:54,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:54 BoogieIcfgContainer [2020-10-23 18:37:54,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:37:54,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:37:54,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:37:54,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:37:54,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:37:51" (1/3) ... [2020-10-23 18:37:54,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8770749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:54, skipping insertion in model container [2020-10-23 18:37:54,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:52" (2/3) ... [2020-10-23 18:37:54,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8770749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:54, skipping insertion in model container [2020-10-23 18:37:54,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:54" (3/3) ... [2020-10-23 18:37:54,489 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-10-23 18:37:54,506 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:37:54,513 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:37:54,532 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:37:54,568 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:37:54,569 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:37:54,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:37:54,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:37:54,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:37:54,569 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:37:54,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:37:54,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:37:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:37:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-23 18:37:54,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:54,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:54,609 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:54,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:54,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2022545268, now seen corresponding path program 1 times [2020-10-23 18:37:54,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:54,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461820149] [2020-10-23 18:37:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:55,313 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 18:37:55,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461820149] [2020-10-23 18:37:55,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:55,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:37:55,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334377519] [2020-10-23 18:37:55,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:37:55,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:55,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:37:55,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:37:55,355 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-23 18:37:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:58,779 INFO L93 Difference]: Finished difference Result 735 states and 1307 transitions. [2020-10-23 18:37:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:37:58,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-23 18:37:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:58,804 INFO L225 Difference]: With dead ends: 735 [2020-10-23 18:37:58,805 INFO L226 Difference]: Without dead ends: 448 [2020-10-23 18:37:58,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:37:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-23 18:37:58,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-23 18:37:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-23 18:37:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-10-23 18:37:58,937 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 48 [2020-10-23 18:37:58,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:58,938 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-10-23 18:37:58,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:37:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-10-23 18:37:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-23 18:37:58,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:58,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:58,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:37:58,947 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:58,948 INFO L82 PathProgramCache]: Analyzing trace with hash 197965852, now seen corresponding path program 1 times [2020-10-23 18:37:58,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:58,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230824670] [2020-10-23 18:37:58,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:59,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:59,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230824670] [2020-10-23 18:37:59,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:59,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:37:59,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560597375] [2020-10-23 18:37:59,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:37:59,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:59,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:37:59,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:37:59,345 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 8 states. [2020-10-23 18:38:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:01,942 INFO L93 Difference]: Finished difference Result 1043 states and 1614 transitions. [2020-10-23 18:38:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:38:01,943 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-23 18:38:01,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:01,951 INFO L225 Difference]: With dead ends: 1043 [2020-10-23 18:38:01,951 INFO L226 Difference]: Without dead ends: 607 [2020-10-23 18:38:01,954 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 18:38:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-10-23 18:38:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 593. [2020-10-23 18:38:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-23 18:38:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 830 transitions. [2020-10-23 18:38:02,040 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 830 transitions. Word has length 121 [2020-10-23 18:38:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:02,041 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 830 transitions. [2020-10-23 18:38:02,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 830 transitions. [2020-10-23 18:38:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-23 18:38:02,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:02,045 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:02,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:38:02,046 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:02,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 211600400, now seen corresponding path program 1 times [2020-10-23 18:38:02,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:02,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655270874] [2020-10-23 18:38:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:02,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655270874] [2020-10-23 18:38:02,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352099919] [2020-10-23 18:38:02,443 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 18:38:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:02,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:02,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:02,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:02,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:02,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421082332] [2020-10-23 18:38:02,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:02,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:02,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:02,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:02,875 INFO L87 Difference]: Start difference. First operand 593 states and 830 transitions. Second operand 3 states. [2020-10-23 18:38:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:03,890 INFO L93 Difference]: Finished difference Result 1617 states and 2276 transitions. [2020-10-23 18:38:03,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:03,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-23 18:38:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:03,911 INFO L225 Difference]: With dead ends: 1617 [2020-10-23 18:38:03,911 INFO L226 Difference]: Without dead ends: 1030 [2020-10-23 18:38:03,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:03,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-23 18:38:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 887. [2020-10-23 18:38:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2020-10-23 18:38:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1151 transitions. [2020-10-23 18:38:04,015 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1151 transitions. Word has length 127 [2020-10-23 18:38:04,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:04,016 INFO L481 AbstractCegarLoop]: Abstraction has 887 states and 1151 transitions. [2020-10-23 18:38:04,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1151 transitions. [2020-10-23 18:38:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-23 18:38:04,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:04,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:04,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:38:04,248 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:04,249 INFO L82 PathProgramCache]: Analyzing trace with hash 381921548, now seen corresponding path program 1 times [2020-10-23 18:38:04,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:04,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443941748] [2020-10-23 18:38:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:04,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:04,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443941748] [2020-10-23 18:38:04,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:04,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:38:04,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891003563] [2020-10-23 18:38:04,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:38:04,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:04,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:38:04,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:04,837 INFO L87 Difference]: Start difference. First operand 887 states and 1151 transitions. Second operand 7 states. [2020-10-23 18:38:07,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:07,085 INFO L93 Difference]: Finished difference Result 2247 states and 2961 transitions. [2020-10-23 18:38:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 18:38:07,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-10-23 18:38:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:07,097 INFO L225 Difference]: With dead ends: 2247 [2020-10-23 18:38:07,097 INFO L226 Difference]: Without dead ends: 1366 [2020-10-23 18:38:07,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:38:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2020-10-23 18:38:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1058. [2020-10-23 18:38:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-23 18:38:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1360 transitions. [2020-10-23 18:38:07,158 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1360 transitions. Word has length 184 [2020-10-23 18:38:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:07,159 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1360 transitions. [2020-10-23 18:38:07,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:38:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1360 transitions. [2020-10-23 18:38:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-23 18:38:07,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:07,164 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:07,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:38:07,165 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:07,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:07,165 INFO L82 PathProgramCache]: Analyzing trace with hash 388940140, now seen corresponding path program 1 times [2020-10-23 18:38:07,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:07,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588018816] [2020-10-23 18:38:07,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:07,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:07,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588018816] [2020-10-23 18:38:07,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881573434] [2020-10-23 18:38:07,522 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 18:38:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:07,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:07,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:07,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:07,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:38:07,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43998596] [2020-10-23 18:38:07,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:38:07,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:07,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:38:07,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:07,861 INFO L87 Difference]: Start difference. First operand 1058 states and 1360 transitions. Second operand 10 states. [2020-10-23 18:38:10,427 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-23 18:38:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:11,468 INFO L93 Difference]: Finished difference Result 2879 states and 3905 transitions. [2020-10-23 18:38:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 18:38:11,468 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-10-23 18:38:11,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:11,487 INFO L225 Difference]: With dead ends: 2879 [2020-10-23 18:38:11,487 INFO L226 Difference]: Without dead ends: 1827 [2020-10-23 18:38:11,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:38:11,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2020-10-23 18:38:11,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1219. [2020-10-23 18:38:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-10-23 18:38:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1576 transitions. [2020-10-23 18:38:11,583 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1576 transitions. Word has length 208 [2020-10-23 18:38:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:11,585 INFO L481 AbstractCegarLoop]: Abstraction has 1219 states and 1576 transitions. [2020-10-23 18:38:11,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:38:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1576 transitions. [2020-10-23 18:38:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-23 18:38:11,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:11,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:38:11,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:11,807 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:11,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1389352868, now seen corresponding path program 1 times [2020-10-23 18:38:11,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:11,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729127568] [2020-10-23 18:38:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:12,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:12,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:12,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 18:38:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 80 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:38:12,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729127568] [2020-10-23 18:38:12,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930320302] [2020-10-23 18:38:12,525 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 18:38:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:12,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:12,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-23 18:38:12,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:12,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:38:12,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52846116] [2020-10-23 18:38:12,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:12,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:12,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:38:12,816 INFO L87 Difference]: Start difference. First operand 1219 states and 1576 transitions. Second operand 3 states. [2020-10-23 18:38:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:13,854 INFO L93 Difference]: Finished difference Result 3451 states and 4586 transitions. [2020-10-23 18:38:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:13,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-10-23 18:38:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:13,873 INFO L225 Difference]: With dead ends: 3451 [2020-10-23 18:38:13,873 INFO L226 Difference]: Without dead ends: 2238 [2020-10-23 18:38:13,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 228 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 18:38:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-23 18:38:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2093. [2020-10-23 18:38:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-10-23 18:38:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2624 transitions. [2020-10-23 18:38:13,973 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2624 transitions. Word has length 225 [2020-10-23 18:38:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:13,974 INFO L481 AbstractCegarLoop]: Abstraction has 2093 states and 2624 transitions. [2020-10-23 18:38:13,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2624 transitions. [2020-10-23 18:38:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-23 18:38:13,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:13,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:14,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:14,200 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:14,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1445573232, now seen corresponding path program 1 times [2020-10-23 18:38:14,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:14,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006854181] [2020-10-23 18:38:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:14,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006854181] [2020-10-23 18:38:14,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897735205] [2020-10-23 18:38:14,684 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 18:38:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:14,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:15,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:15,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:38:15,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190153649] [2020-10-23 18:38:15,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:38:15,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:15,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:38:15,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:15,027 INFO L87 Difference]: Start difference. First operand 2093 states and 2624 transitions. Second operand 10 states. [2020-10-23 18:38:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:19,255 INFO L93 Difference]: Finished difference Result 4355 states and 5478 transitions. [2020-10-23 18:38:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-23 18:38:19,257 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 259 [2020-10-23 18:38:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:19,268 INFO L225 Difference]: With dead ends: 4355 [2020-10-23 18:38:19,268 INFO L226 Difference]: Without dead ends: 2268 [2020-10-23 18:38:19,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-10-23 18:38:19,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2020-10-23 18:38:19,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2101. [2020-10-23 18:38:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-10-23 18:38:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2449 transitions. [2020-10-23 18:38:19,341 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2449 transitions. Word has length 259 [2020-10-23 18:38:19,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:19,342 INFO L481 AbstractCegarLoop]: Abstraction has 2101 states and 2449 transitions. [2020-10-23 18:38:19,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:38:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2449 transitions. [2020-10-23 18:38:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-23 18:38:19,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:19,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:19,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:19,566 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:19,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:19,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1801415312, now seen corresponding path program 1 times [2020-10-23 18:38:19,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:19,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975224552] [2020-10-23 18:38:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 18:38:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:20,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975224552] [2020-10-23 18:38:20,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697635268] [2020-10-23 18:38:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:20,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:20,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:20,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:20,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-10-23 18:38:20,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68674878] [2020-10-23 18:38:20,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:38:20,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:20,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:38:20,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:38:20,302 INFO L87 Difference]: Start difference. First operand 2101 states and 2449 transitions. Second operand 11 states. [2020-10-23 18:38:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:24,314 INFO L93 Difference]: Finished difference Result 6212 states and 7205 transitions. [2020-10-23 18:38:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 18:38:24,315 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 268 [2020-10-23 18:38:24,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:24,329 INFO L225 Difference]: With dead ends: 6212 [2020-10-23 18:38:24,330 INFO L226 Difference]: Without dead ends: 2655 [2020-10-23 18:38:24,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-23 18:38:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2020-10-23 18:38:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2079. [2020-10-23 18:38:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-10-23 18:38:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2335 transitions. [2020-10-23 18:38:24,416 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2335 transitions. Word has length 268 [2020-10-23 18:38:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:24,417 INFO L481 AbstractCegarLoop]: Abstraction has 2079 states and 2335 transitions. [2020-10-23 18:38:24,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:38:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2335 transitions. [2020-10-23 18:38:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-23 18:38:24,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:24,428 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:38:24,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:24,642 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:24,643 INFO L82 PathProgramCache]: Analyzing trace with hash -8741416, now seen corresponding path program 1 times [2020-10-23 18:38:24,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:24,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372452204] [2020-10-23 18:38:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:24,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:24,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 18:38:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-23 18:38:25,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372452204] [2020-10-23 18:38:25,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282652796] [2020-10-23 18:38:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:25,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:25,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-23 18:38:25,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:25,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:38:25,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778014537] [2020-10-23 18:38:25,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:25,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:25,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:25,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:38:25,580 INFO L87 Difference]: Start difference. First operand 2079 states and 2335 transitions. Second operand 3 states. [2020-10-23 18:38:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:26,350 INFO L93 Difference]: Finished difference Result 4149 states and 4665 transitions. [2020-10-23 18:38:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:26,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304 [2020-10-23 18:38:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:26,352 INFO L225 Difference]: With dead ends: 4149 [2020-10-23 18:38:26,352 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:38:26,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:38:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:38:26,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:38:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:38:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:38:26,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2020-10-23 18:38:26,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:26,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:38:26,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:38:26,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:38:26,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:26,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:38:26,777 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2020-10-23 18:38:27,550 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2020-10-23 18:38:28,083 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2020-10-23 18:38:29,438 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 193 DAG size of output: 49 [2020-10-23 18:38:29,859 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2020-10-23 18:38:30,292 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2020-10-23 18:38:30,296 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:30,297 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:30,297 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:30,297 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:30,297 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:30,298 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 18:38:30,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:30,298 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:38:30,298 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:38:30,298 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:38:30,298 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:38:30,299 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:38:30,299 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:38:30,299 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:38:30,299 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:38:30,299 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,300 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:38:30,301 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,302 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:38:30,303 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:38:30,304 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:38:30,305 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,306 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:38:30,307 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,308 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:38:30,309 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:38:30,310 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:38:30,311 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:38:30,314 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,315 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:38:30,316 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:38:30,317 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:38:30,318 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 (not (< 218 |old(~a1~0)|)) .cse3) (or (not (<= |old(~a19~0)| 8)) (not (<= 4 |old(~a10~0)|)) .cse0 .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (<= |old(~a10~0)| 2)) .cse3) (or .cse0 .cse1 .cse2 (= 8 |old(~a19~0)|) .cse3) (or .cse0 .cse2 (not (<= |old(~a10~0)| 1)) .cse3))) [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:38:30,319 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,320 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (< 218 |old(~a1~0)|)) .cse2) (or .cse0 .cse1 (= 8 |old(~a19~0)|) .cse2) (or .cse1 .cse0 (not (<= |old(~a10~0)| 2)) .cse2) (or .cse1 (not (<= |old(~a10~0)| 1)) .cse2))) [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:38:30,321 INFO L274 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:38:30,322 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:38:30,323 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:38:30,324 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:30,325 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-10-23 18:38:30,326 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:30,326 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:30,326 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (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 (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-10-23 18:38:30,326 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:30,326 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= ~a10~0 2) .cse0) (and (<= ~a10~0 1) (<= |old(~a10~0)| ~a10~0)) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (< 218 ~a1~0) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 4 ~a10~0) .cse0) (not (= ~a12~0 0)))) [2020-10-23 18:38:30,326 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:38:30,326 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:38:30,327 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= ~a10~0 2) .cse0) (and (<= ~a10~0 1) (<= |old(~a10~0)| ~a10~0)) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (< 218 ~a1~0) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 4 ~a10~0) .cse0) (not (= ~a12~0 0)))) [2020-10-23 18:38:30,327 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:30,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:30 BoogieIcfgContainer [2020-10-23 18:38:30,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:30,349 INFO L168 Benchmark]: Toolchain (without parser) took 38738.91 ms. Allocated memory was 151.0 MB in the beginning and 457.2 MB in the end (delta: 306.2 MB). Free memory was 125.2 MB in the beginning and 295.2 MB in the end (delta: -170.0 MB). Peak memory consumption was 275.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:30,350 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:30,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 129.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:30,352 INFO L168 Benchmark]: Boogie Preprocessor took 168.80 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 124.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:30,352 INFO L168 Benchmark]: RCFGBuilder took 1872.98 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 105.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:30,353 INFO L168 Benchmark]: TraceAbstraction took 35867.11 ms. Allocated memory was 151.0 MB in the beginning and 457.2 MB in the end (delta: 306.2 MB). Free memory was 104.6 MB in the beginning and 295.2 MB in the end (delta: -190.7 MB). Peak memory consumption was 254.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:30,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 815.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 129.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 168.80 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 124.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1872.98 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 105.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35867.11 ms. Allocated memory was 151.0 MB in the beginning and 457.2 MB in the end (delta: 306.2 MB). Free memory was 104.6 MB in the beginning and 295.2 MB in the end (delta: -190.7 MB). Peak memory consumption was 254.5 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: (((((((((a10 <= 2 && a19 <= 9) || (a10 <= 1 && \old(a10) <= a10)) || (!(a19 == 8) && a19 <= 9)) || !(9 <= \old(a19))) || (218 < a1 && a19 <= 9)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (4 <= a10 && a19 <= 9)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 662 SDtfs, 4325 SDslu, 335 SDs, 0 SdLazy, 9362 SolverSat, 1864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1542 GetRequests, 1436 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2101occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1967 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 205 PreInvPairs, 253 NumberOfFragments, 439 HoareAnnotationTreeSize, 205 FomulaSimplifications, 117280 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6777 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3135 NumberOfCodeBlocks, 3135 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3120 ConstructedInterpolants, 0 QuantifiedInterpolants, 1752398 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2804 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1705/1802 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...