/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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:39:08,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:39:08,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:39:08,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:39:08,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:39:08,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:39:08,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:39:08,415 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 [2020-11-06 22:39:08,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:39:08,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:39:08,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:39:08,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:39:08,444 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:39:08,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:39:08,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:39:08,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:39:08,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:39:08,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:39:08,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:39:08,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:39:08,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:39:08,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:39:08,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:39:08,446 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:39:08,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:39:08,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:39:08,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:39:08,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:39:08,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:39:08,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:39:08,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:39:08,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:39:08,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:39:08,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:39:08,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:39:08,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:39:08,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:39:08,884 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:39:08,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-11-06 22:39:08,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0a493a6/235ba80256aa4c3cbd21903d3dc09c06/FLAG1eb90f830 [2020-11-06 22:39:09,819 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:39:09,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-11-06 22:39:09,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0a493a6/235ba80256aa4c3cbd21903d3dc09c06/FLAG1eb90f830 [2020-11-06 22:39:10,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0a493a6/235ba80256aa4c3cbd21903d3dc09c06 [2020-11-06 22:39:10,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:39:10,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:39:10,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:10,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:39:10,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:39:10,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345ac4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10, skipping insertion in model container [2020-11-06 22:39:10,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:39:10,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:39:10,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:10,613 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:39:10,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:10,814 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:39:10,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10 WrapperNode [2020-11-06 22:39:10,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:10,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:39:10,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:39:10,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:39:10,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:10,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:11,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:11,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (1/1) ... [2020-11-06 22:39:11,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:39:11,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:39:11,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:39:11,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:39:11,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (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 [2020-11-06 22:39:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:39:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:39:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:39:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:39:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:39:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:39:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:39:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:39:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:39:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:39:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:39:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:39:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:39:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:39:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:39:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:39:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:39:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:39:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:39:12,753 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:39:12,754 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:39:12,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:12 BoogieIcfgContainer [2020-11-06 22:39:12,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:39:12,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:39:12,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:39:12,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:39:12,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:10" (1/3) ... [2020-11-06 22:39:12,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1ab702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:12, skipping insertion in model container [2020-11-06 22:39:12,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:10" (2/3) ... [2020-11-06 22:39:12,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1ab702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:12, skipping insertion in model container [2020-11-06 22:39:12,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:12" (3/3) ... [2020-11-06 22:39:12,767 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label22.c [2020-11-06 22:39:12,783 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:39:12,787 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:39:12,800 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:39:12,830 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:39:12,830 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:39:12,831 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:39:12,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:39:12,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:39:12,831 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:39:12,831 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:39:12,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:39:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:39:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-06 22:39:12,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:12,866 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] [2020-11-06 22:39:12,867 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:12,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1918757124, now seen corresponding path program 1 times [2020-11-06 22:39:12,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:12,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524132554] [2020-11-06 22:39:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:13,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524132554] [2020-11-06 22:39:13,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:13,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:39:13,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104912608] [2020-11-06 22:39:13,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:39:13,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:13,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:39:13,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:39:13,401 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-11-06 22:39:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:15,546 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-11-06 22:39:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:39:15,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-11-06 22:39:15,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:15,563 INFO L225 Difference]: With dead ends: 601 [2020-11-06 22:39:15,564 INFO L226 Difference]: Without dead ends: 303 [2020-11-06 22:39:15,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:39:15,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-06 22:39:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-11-06 22:39:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-06 22:39:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-11-06 22:39:15,671 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 44 [2020-11-06 22:39:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:15,672 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-11-06 22:39:15,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:39:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-11-06 22:39:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-06 22:39:15,682 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:15,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:15,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:39:15,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:15,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:15,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2015379000, now seen corresponding path program 1 times [2020-11-06 22:39:15,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:15,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932399428] [2020-11-06 22:39:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:16,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932399428] [2020-11-06 22:39:16,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:16,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:39:16,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854273432] [2020-11-06 22:39:16,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:39:16,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:16,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:39:16,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:16,220 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-11-06 22:39:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:18,191 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-11-06 22:39:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:39:18,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 118 [2020-11-06 22:39:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:18,204 INFO L225 Difference]: With dead ends: 910 [2020-11-06 22:39:18,204 INFO L226 Difference]: Without dead ends: 617 [2020-11-06 22:39:18,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:39:18,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-11-06 22:39:18,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-11-06 22:39:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-11-06 22:39:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 784 transitions. [2020-11-06 22:39:18,270 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 784 transitions. Word has length 118 [2020-11-06 22:39:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:18,271 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 784 transitions. [2020-11-06 22:39:18,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:39:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 784 transitions. [2020-11-06 22:39:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-06 22:39:18,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:18,276 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:18,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:39:18,276 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:18,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1099572032, now seen corresponding path program 1 times [2020-11-06 22:39:18,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:18,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725017997] [2020-11-06 22:39:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:18,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:18,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725017997] [2020-11-06 22:39:18,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25260823] [2020-11-06 22:39:18,641 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 [2020-11-06 22:39:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:18,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:18,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:18,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:39:18,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994257635] [2020-11-06 22:39:18,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:18,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:18,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:18,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:18,882 INFO L87 Difference]: Start difference. First operand 597 states and 784 transitions. Second operand 3 states. [2020-11-06 22:39:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:19,856 INFO L93 Difference]: Finished difference Result 1037 states and 1409 transitions. [2020-11-06 22:39:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:19,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-06 22:39:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:19,866 INFO L225 Difference]: With dead ends: 1037 [2020-11-06 22:39:19,866 INFO L226 Difference]: Without dead ends: 1034 [2020-11-06 22:39:19,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-11-06 22:39:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746. [2020-11-06 22:39:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-11-06 22:39:19,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2020-11-06 22:39:19,917 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 123 [2020-11-06 22:39:19,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:19,917 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2020-11-06 22:39:19,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2020-11-06 22:39:19,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-06 22:39:19,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:19,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:20,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:39:20,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:20,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1898931752, now seen corresponding path program 1 times [2020-11-06 22:39:20,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:20,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070068993] [2020-11-06 22:39:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:20,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070068993] [2020-11-06 22:39:20,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:20,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:39:20,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455682957] [2020-11-06 22:39:20,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:39:20,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:20,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:39:20,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:20,599 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand 8 states. [2020-11-06 22:39:22,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:22,802 INFO L93 Difference]: Finished difference Result 2108 states and 2999 transitions. [2020-11-06 22:39:22,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:39:22,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-11-06 22:39:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:22,815 INFO L225 Difference]: With dead ends: 2108 [2020-11-06 22:39:22,815 INFO L226 Difference]: Without dead ends: 1368 [2020-11-06 22:39:22,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:22,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-11-06 22:39:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1193. [2020-11-06 22:39:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-11-06 22:39:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1581 transitions. [2020-11-06 22:39:22,897 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1581 transitions. Word has length 166 [2020-11-06 22:39:22,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:22,898 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1581 transitions. [2020-11-06 22:39:22,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:39:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1581 transitions. [2020-11-06 22:39:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-06 22:39:22,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:22,903 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:39:22,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:39:22,904 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:22,905 INFO L82 PathProgramCache]: Analyzing trace with hash 877704428, now seen corresponding path program 1 times [2020-11-06 22:39:22,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:22,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68351822] [2020-11-06 22:39:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-06 22:39:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:23,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68351822] [2020-11-06 22:39:23,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670663335] [2020-11-06 22:39:23,393 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 [2020-11-06 22:39:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:23,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:23,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:23,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:39:23,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088498399] [2020-11-06 22:39:23,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:39:23,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:23,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:39:23,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:39:23,644 INFO L87 Difference]: Start difference. First operand 1193 states and 1581 transitions. Second operand 11 states. [2020-11-06 22:39:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:27,629 INFO L93 Difference]: Finished difference Result 3004 states and 4048 transitions. [2020-11-06 22:39:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:39:27,630 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-11-06 22:39:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:27,644 INFO L225 Difference]: With dead ends: 3004 [2020-11-06 22:39:27,644 INFO L226 Difference]: Without dead ends: 1223 [2020-11-06 22:39:27,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-11-06 22:39:27,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-11-06 22:39:27,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1046. [2020-11-06 22:39:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-11-06 22:39:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1305 transitions. [2020-11-06 22:39:27,731 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1305 transitions. Word has length 205 [2020-11-06 22:39:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:27,736 INFO L481 AbstractCegarLoop]: Abstraction has 1046 states and 1305 transitions. [2020-11-06 22:39:27,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:39:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1305 transitions. [2020-11-06 22:39:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-06 22:39:27,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:27,741 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:39:27,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:27,956 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:27,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:27,962 INFO L82 PathProgramCache]: Analyzing trace with hash -400071348, now seen corresponding path program 1 times [2020-11-06 22:39:27,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:27,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479424273] [2020-11-06 22:39:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:28,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:28,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479424273] [2020-11-06 22:39:28,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494304026] [2020-11-06 22:39:28,299 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 [2020-11-06 22:39:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:28,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:28,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:28,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:28,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:39:28,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713610696] [2020-11-06 22:39:28,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:28,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:28,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:28,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:28,728 INFO L87 Difference]: Start difference. First operand 1046 states and 1305 transitions. Second operand 10 states. [2020-11-06 22:39:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:31,867 INFO L93 Difference]: Finished difference Result 2986 states and 3766 transitions. [2020-11-06 22:39:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-06 22:39:31,868 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-11-06 22:39:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:31,881 INFO L225 Difference]: With dead ends: 2986 [2020-11-06 22:39:31,881 INFO L226 Difference]: Without dead ends: 1801 [2020-11-06 22:39:31,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-11-06 22:39:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-11-06 22:39:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1491. [2020-11-06 22:39:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-11-06 22:39:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1806 transitions. [2020-11-06 22:39:31,945 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1806 transitions. Word has length 212 [2020-11-06 22:39:31,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:31,946 INFO L481 AbstractCegarLoop]: Abstraction has 1491 states and 1806 transitions. [2020-11-06 22:39:31,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:39:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1806 transitions. [2020-11-06 22:39:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-06 22:39:31,950 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:31,951 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:39:32,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:32,165 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:32,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:32,166 INFO L82 PathProgramCache]: Analyzing trace with hash -257076552, now seen corresponding path program 1 times [2020-11-06 22:39:32,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:32,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199073445] [2020-11-06 22:39:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:32,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 22:39:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 72 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:39:32,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199073445] [2020-11-06 22:39:32,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082914295] [2020-11-06 22:39:32,874 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 [2020-11-06 22:39:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:33,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:33,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-06 22:39:33,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:33,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:39:33,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413748949] [2020-11-06 22:39:33,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:33,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:33,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:33,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:39:33,121 INFO L87 Difference]: Start difference. First operand 1491 states and 1806 transitions. Second operand 3 states. [2020-11-06 22:39:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:33,843 INFO L93 Difference]: Finished difference Result 2973 states and 3605 transitions. [2020-11-06 22:39:33,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:33,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-11-06 22:39:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:33,847 INFO L225 Difference]: With dead ends: 2973 [2020-11-06 22:39:33,847 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:39:33,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:39:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:39:33,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:39:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:39:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:39:33,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-11-06 22:39:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:33,855 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:39:33,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:39:33,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:39:34,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:34,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:39:34,952 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2020-11-06 22:39:35,605 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2020-11-06 22:39:35,807 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-11-06 22:39:36,212 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2020-11-06 22:39:36,217 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:39:36,218 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:39:36,218 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:39:36,219 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:39:36,219 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:36,221 INFO L262 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)|)) [2020-11-06 22:39:36,221 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:36,221 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:39:36,221 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:39:36,222 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:39:36,224 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:39:36,224 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:39:36,225 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,226 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,226 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,226 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,228 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,228 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,228 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:39:36,229 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:39:36,229 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:39:36,229 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:39:36,229 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,233 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:39:36,234 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:39:36,235 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:39:36,235 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:39:36,235 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:39:36,235 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,237 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:39:36,238 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:39:36,238 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:39:36,238 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:39:36,238 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,241 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:39:36,242 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:39:36,243 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L262 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse3 (not (<= 8 |old(~a19~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse4 (not (<= 1 |old(~a10~0)|))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 .cse2) (or .cse3 .cse1 (not (= 0 |old(~a10~0)|)) .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (<= |old(~a10~0)| 2)) .cse1 .cse4 .cse2) (or (not (<= |old(~a19~0)| 9)) .cse1 .cse4 .cse2))) [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:39:36,244 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:39:36,245 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:39:36,245 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:39:36,245 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,245 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,247 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:39:36,248 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:39:36,249 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:39:36,250 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,252 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,253 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,253 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a19~0)| 8))) (.cse0 (and .cse6 (= ~a19~0 |old(~a19~0)|) .cse7)) (.cse5 (not (<= 8 |old(~a19~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= |old(~a19~0)| 9)) .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= |old(~a1~0)| 23)) .cse1 .cse3) (or .cse0 (not (<= |old(~a10~0)| 2)) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse6 .cse7) .cse3) (or .cse0 .cse5 .cse1 (not (= 0 |old(~a10~0)|)) .cse3)))) [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:39:36,254 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:39:36,255 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:39:36,256 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:39:36,257 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:39:36,257 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:39:36,258 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,259 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:36,260 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a19~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-11-06 22:39:36,260 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:39:36,261 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:36,261 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-11-06 22:39:36,261 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:36,261 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (<= 8 ~a19~0)) (.cse3 (<= 1 ~a10~0)) (.cse0 (<= 9 |old(~a19~0)|)) (.cse2 (<= ~a19~0 8))) (or (and .cse0 .cse1 (= ~a10~0 0)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= ~a10~0 2)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse3 (<= ~a19~0 9)) (and .cse0 .cse2 (<= ~a1~0 23)) (not (= ~a12~0 0)))) [2020-11-06 22:39:36,261 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:39:36,261 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:39:36,262 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (<= 8 ~a19~0)) (.cse3 (<= 1 ~a10~0)) (.cse0 (<= 9 |old(~a19~0)|)) (.cse2 (<= ~a19~0 8))) (or (and .cse0 .cse1 (= ~a10~0 0)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= ~a10~0 2)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse3 (<= ~a19~0 9)) (and .cse0 .cse2 (<= ~a1~0 23)) (not (= ~a12~0 0)))) [2020-11-06 22:39:36,262 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:36,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:36 BoogieIcfgContainer [2020-11-06 22:39:36,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:39:36,305 INFO L168 Benchmark]: Toolchain (without parser) took 26221.02 ms. Allocated memory was 165.7 MB in the beginning and 414.2 MB in the end (delta: 248.5 MB). Free memory was 139.4 MB in the beginning and 252.3 MB in the end (delta: -112.9 MB). Peak memory consumption was 248.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:36,306 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 125.8 MB. Free memory was 100.6 MB in the beginning and 100.5 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:39:36,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.79 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 144.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:36,308 INFO L168 Benchmark]: Boogie Preprocessor took 218.75 ms. Allocated memory is still 165.7 MB. Free memory was 144.6 MB in the beginning and 140.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:36,309 INFO L168 Benchmark]: RCFGBuilder took 1720.40 ms. Allocated memory is still 165.7 MB. Free memory was 140.1 MB in the beginning and 130.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:36,316 INFO L168 Benchmark]: TraceAbstraction took 23542.33 ms. Allocated memory was 165.7 MB in the beginning and 414.2 MB in the end (delta: 248.5 MB). Free memory was 129.8 MB in the beginning and 252.3 MB in the end (delta: -122.6 MB). Peak memory consumption was 238.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:36,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 125.8 MB. Free memory was 100.6 MB in the beginning and 100.5 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 724.79 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 144.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 218.75 ms. Allocated memory is still 165.7 MB. Free memory was 144.6 MB in the beginning and 140.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1720.40 ms. Allocated memory is still 165.7 MB. Free memory was 140.1 MB in the beginning and 130.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23542.33 ms. Allocated memory was 165.7 MB in the beginning and 414.2 MB in the end (delta: 248.5 MB). Free memory was 129.8 MB in the beginning and 252.3 MB in the end (delta: -122.6 MB). Peak memory consumption was 238.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((((((9 <= \old(a19) && 8 <= a19) && a10 == 0) || ((9 <= \old(a19) && 8 <= a19) && a19 <= 8)) || ((9 <= \old(a19) && 1 <= a10) && a10 <= 2)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || !(8 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || ((9 <= \old(a19) && 1 <= a10) && a19 <= 9)) || ((9 <= \old(a19) && a19 <= 8) && a1 <= 23)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 345 SDtfs, 3175 SDslu, 293 SDs, 0 SdLazy, 6425 SolverSat, 1252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 873 GetRequests, 791 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 974 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 109 PreInvPairs, 139 NumberOfFragments, 512 HoareAnnotationTreeSize, 109 FomulaSimplifications, 38916 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4086 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1852 NumberOfCodeBlocks, 1852 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1841 ConstructedInterpolants, 0 QuantifiedInterpolants, 989339 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1693 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 952/1038 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...