/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:32,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:32,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:32,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:37:32,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:32,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:32,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:32,533 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 22:37:32,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:32,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:32,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:32,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:32,597 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:32,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:32,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:32,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:32,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:32,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:32,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:32,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:32,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:32,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:32,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:32,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:32,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:32,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:32,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:32,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:32,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:32,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:32,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:32,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:32,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:32,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:32,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:32,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:32,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:32,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:33,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:33,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:33,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:33,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:33,095 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:33,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-11-06 22:37:33,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53847b3c/f9dcffbd4cfe41e8b74cc007daaeb56c/FLAG793ab5d34 [2020-11-06 22:37:34,098 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:37:34,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-11-06 22:37:34,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53847b3c/f9dcffbd4cfe41e8b74cc007daaeb56c/FLAG793ab5d34 [2020-11-06 22:37:34,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53847b3c/f9dcffbd4cfe41e8b74cc007daaeb56c [2020-11-06 22:37:34,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:37:34,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:37:34,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:34,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:37:34,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:37:34,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:34" (1/1) ... [2020-11-06 22:37:34,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c731d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:34, skipping insertion in model container [2020-11-06 22:37:34,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:34" (1/1) ... [2020-11-06 22:37:34,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:37:34,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:37:34,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:34,969 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:37:35,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:35,118 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:37:35,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35 WrapperNode [2020-11-06 22:37:35,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:35,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:37:35,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:37:35,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:37:35,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:37:35,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:37:35,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:37:35,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:37:35,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (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 22:37:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:37:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:37:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:37:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:37:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:37:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:37:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:37:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:37:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:37:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:37:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:37:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:37:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:37:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:37:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:37:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:37:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:37:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:37:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:37:37,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:37:37,229 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:37:37,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:37 BoogieIcfgContainer [2020-11-06 22:37:37,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:37:37,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:37:37,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:37:37,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:37:37,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:34" (1/3) ... [2020-11-06 22:37:37,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ddcd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:37, skipping insertion in model container [2020-11-06 22:37:37,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (2/3) ... [2020-11-06 22:37:37,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ddcd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:37, skipping insertion in model container [2020-11-06 22:37:37,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:37" (3/3) ... [2020-11-06 22:37:37,250 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-11-06 22:37:37,269 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:37:37,274 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:37:37,290 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:37:37,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:37:37,334 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:37:37,334 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:37:37,334 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:37:37,334 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:37:37,334 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:37:37,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:37:37,334 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:37:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:37:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-06 22:37:37,374 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:37,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:37,376 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:37,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:37,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1481586099, now seen corresponding path program 1 times [2020-11-06 22:37:37,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:37,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803345517] [2020-11-06 22:37:37,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:38,074 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:38,178 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 22:37:38,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803345517] [2020-11-06 22:37:38,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:38,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:37:38,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868362220] [2020-11-06 22:37:38,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:37:38,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:38,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:37:38,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:37:38,217 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-11-06 22:37:38,472 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:38,910 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:37:41,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:41,882 INFO L93 Difference]: Finished difference Result 790 states and 1386 transitions. [2020-11-06 22:37:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:37:41,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-11-06 22:37:41,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:41,904 INFO L225 Difference]: With dead ends: 790 [2020-11-06 22:37:41,905 INFO L226 Difference]: Without dead ends: 482 [2020-11-06 22:37:41,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-11-06 22:37:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 473. [2020-11-06 22:37:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-11-06 22:37:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 644 transitions. [2020-11-06 22:37:42,040 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 644 transitions. Word has length 119 [2020-11-06 22:37:42,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:42,042 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 644 transitions. [2020-11-06 22:37:42,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:37:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 644 transitions. [2020-11-06 22:37:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-06 22:37:42,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:42,057 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:42,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:37:42,058 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:42,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:42,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1244410702, now seen corresponding path program 1 times [2020-11-06 22:37:42,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:42,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406001548] [2020-11-06 22:37:42,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,410 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:42,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:42,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406001548] [2020-11-06 22:37:42,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663504108] [2020-11-06 22:37:42,479 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 22:37:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:37:42,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:37:42,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:42,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-11-06 22:37:42,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502651493] [2020-11-06 22:37:42,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:42,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:42,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:42,863 INFO L87 Difference]: Start difference. First operand 473 states and 644 transitions. Second operand 7 states. [2020-11-06 22:37:43,011 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:45,539 INFO L93 Difference]: Finished difference Result 1856 states and 2622 transitions. [2020-11-06 22:37:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:37:45,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2020-11-06 22:37:45,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:45,566 INFO L225 Difference]: With dead ends: 1856 [2020-11-06 22:37:45,566 INFO L226 Difference]: Without dead ends: 1389 [2020-11-06 22:37:45,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:37:45,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2020-11-06 22:37:45,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1373. [2020-11-06 22:37:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-11-06 22:37:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1837 transitions. [2020-11-06 22:37:45,700 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1837 transitions. Word has length 128 [2020-11-06 22:37:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:45,703 INFO L481 AbstractCegarLoop]: Abstraction has 1373 states and 1837 transitions. [2020-11-06 22:37:45,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1837 transitions. [2020-11-06 22:37:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-06 22:37:45,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:45,722 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:45,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:37:45,937 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:45,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash 153346781, now seen corresponding path program 1 times [2020-11-06 22:37:45,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:45,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620517028] [2020-11-06 22:37:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:46,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:37:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:37:46,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620517028] [2020-11-06 22:37:46,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790537655] [2020-11-06 22:37:46,232 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 22:37:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:46,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:46,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:46,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:46,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:37:46,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206219024] [2020-11-06 22:37:46,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:37:46,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:46,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:37:46,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:46,449 INFO L87 Difference]: Start difference. First operand 1373 states and 1837 transitions. Second operand 10 states. [2020-11-06 22:37:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:48,527 INFO L93 Difference]: Finished difference Result 3240 states and 4497 transitions. [2020-11-06 22:37:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:37:48,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-11-06 22:37:48,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:48,549 INFO L225 Difference]: With dead ends: 3240 [2020-11-06 22:37:48,549 INFO L226 Difference]: Without dead ends: 1873 [2020-11-06 22:37:48,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2020-11-06 22:37:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1835. [2020-11-06 22:37:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-11-06 22:37:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2474 transitions. [2020-11-06 22:37:48,704 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2474 transitions. Word has length 150 [2020-11-06 22:37:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:48,705 INFO L481 AbstractCegarLoop]: Abstraction has 1835 states and 2474 transitions. [2020-11-06 22:37:48,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:37:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2474 transitions. [2020-11-06 22:37:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-06 22:37:48,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:48,713 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:48,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:48,929 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:48,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1923755647, now seen corresponding path program 1 times [2020-11-06 22:37:48,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:48,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436601610] [2020-11-06 22:37:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:49,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436601610] [2020-11-06 22:37:49,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:49,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:49,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686724350] [2020-11-06 22:37:49,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:49,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:49,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:49,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:49,194 INFO L87 Difference]: Start difference. First operand 1835 states and 2474 transitions. Second operand 7 states. [2020-11-06 22:37:49,325 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:51,410 INFO L93 Difference]: Finished difference Result 5221 states and 7475 transitions. [2020-11-06 22:37:51,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:37:51,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-11-06 22:37:51,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:51,440 INFO L225 Difference]: With dead ends: 5221 [2020-11-06 22:37:51,441 INFO L226 Difference]: Without dead ends: 3392 [2020-11-06 22:37:51,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2020-11-06 22:37:51,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3334. [2020-11-06 22:37:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3334 states. [2020-11-06 22:37:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4334 transitions. [2020-11-06 22:37:51,603 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4334 transitions. Word has length 150 [2020-11-06 22:37:51,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:51,603 INFO L481 AbstractCegarLoop]: Abstraction has 3334 states and 4334 transitions. [2020-11-06 22:37:51,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:51,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4334 transitions. [2020-11-06 22:37:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-06 22:37:51,614 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:51,614 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:51,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:37:51,615 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:51,616 INFO L82 PathProgramCache]: Analyzing trace with hash 204700837, now seen corresponding path program 1 times [2020-11-06 22:37:51,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:51,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688363526] [2020-11-06 22:37:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:51,955 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:37:52,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688363526] [2020-11-06 22:37:52,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358567988] [2020-11-06 22:37:52,333 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 22:37:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:52,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:37:52,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:52,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:37:52,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086317777] [2020-11-06 22:37:52,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:37:52,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:52,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:37:52,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:52,598 INFO L87 Difference]: Start difference. First operand 3334 states and 4334 transitions. Second operand 3 states. [2020-11-06 22:37:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:53,440 INFO L93 Difference]: Finished difference Result 6662 states and 8662 transitions. [2020-11-06 22:37:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:37:53,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-11-06 22:37:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:53,460 INFO L225 Difference]: With dead ends: 6662 [2020-11-06 22:37:53,460 INFO L226 Difference]: Without dead ends: 3334 [2020-11-06 22:37:53,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2020-11-06 22:37:53,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 2752. [2020-11-06 22:37:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2752 states. [2020-11-06 22:37:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3306 transitions. [2020-11-06 22:37:53,571 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3306 transitions. Word has length 154 [2020-11-06 22:37:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:53,571 INFO L481 AbstractCegarLoop]: Abstraction has 2752 states and 3306 transitions. [2020-11-06 22:37:53,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:37:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3306 transitions. [2020-11-06 22:37:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-06 22:37:53,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:53,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:53,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:53,794 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:53,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:53,796 INFO L82 PathProgramCache]: Analyzing trace with hash -983065704, now seen corresponding path program 1 times [2020-11-06 22:37:53,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:53,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66419775] [2020-11-06 22:37:53,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:37:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 81 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:37:54,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66419775] [2020-11-06 22:37:54,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037687537] [2020-11-06 22:37:54,184 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 22:37:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:54,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:37:54,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:54,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-11-06 22:37:54,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383389101] [2020-11-06 22:37:54,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:37:54,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:54,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:37:54,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:37:54,497 INFO L87 Difference]: Start difference. First operand 2752 states and 3306 transitions. Second operand 11 states. [2020-11-06 22:37:54,686 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:55,083 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-06 22:37:56,421 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-11-06 22:37:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:59,440 INFO L93 Difference]: Finished difference Result 6633 states and 8010 transitions. [2020-11-06 22:37:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:37:59,441 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-11-06 22:37:59,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:59,460 INFO L225 Difference]: With dead ends: 6633 [2020-11-06 22:37:59,460 INFO L226 Difference]: Without dead ends: 3296 [2020-11-06 22:37:59,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:37:59,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2020-11-06 22:37:59,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 2708. [2020-11-06 22:37:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2020-11-06 22:37:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3082 transitions. [2020-11-06 22:37:59,575 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3082 transitions. Word has length 178 [2020-11-06 22:37:59,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:59,576 INFO L481 AbstractCegarLoop]: Abstraction has 2708 states and 3082 transitions. [2020-11-06 22:37:59,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:37:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3082 transitions. [2020-11-06 22:37:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-06 22:37:59,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:59,585 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:37:59,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:59,800 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:59,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:59,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1477005443, now seen corresponding path program 1 times [2020-11-06 22:37:59,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:59,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799152248] [2020-11-06 22:37:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 22:38:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-06 22:38:00,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799152248] [2020-11-06 22:38:00,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284494123] [2020-11-06 22:38:00,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:38:00,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-06 22:38:00,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:00,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-11-06 22:38:00,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549514217] [2020-11-06 22:38:00,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:38:00,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:00,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:38:00,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:38:00,271 INFO L87 Difference]: Start difference. First operand 2708 states and 3082 transitions. Second operand 8 states. [2020-11-06 22:38:00,654 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:38:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:03,066 INFO L93 Difference]: Finished difference Result 7061 states and 8038 transitions. [2020-11-06 22:38:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:38:03,066 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-11-06 22:38:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:03,067 INFO L225 Difference]: With dead ends: 7061 [2020-11-06 22:38:03,067 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:38:03,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:38:03,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:38:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:38:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:38:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:38:03,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-11-06 22:38:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:03,084 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:38:03,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:38:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:38:03,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:38:03,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-06 22:38:03,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:38:04,076 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-11-06 22:38:04,293 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-11-06 22:38:04,444 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 27 [2020-11-06 22:38:06,646 WARN L194 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 188 DAG size of output: 62 [2020-11-06 22:38:07,338 WARN L194 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-11-06 22:38:08,476 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-11-06 22:38:09,593 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-11-06 22:38:09,597 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:38:09,598 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:38:09,598 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:38:09,598 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:38:09,598 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:09,600 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:38:09,600 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:09,600 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:38:09,600 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:09,601 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,602 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:38:09,603 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,604 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:09,605 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,606 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:38:09,607 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:38:09,608 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L262 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse3 (= |old(~a11~0)| 1)) (.cse8 (= 10 |old(~a28~0)|)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a11~0)| 0))) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse5 (not (<= |old(~a17~0)| 7))) (.cse7 (not (<= |old(~a19~0)| 0))) (.cse6 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse2 .cse6) (or .cse0 .cse4 .cse2 .cse7) (or .cse4 .cse1 .cse8 .cse2 .cse6) (or .cse4 .cse8 .cse2 .cse7) (or (not (<= |old(~a28~0)| 7)) .cse1 .cse9) (or .cse4 .cse1 .cse2 .cse3 .cse6) (or .cse8 .cse2 .cse7 .cse9) (or .cse4 .cse5 .cse7 .cse6))) [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:38:09,609 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,610 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:38:09,611 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:09,612 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,613 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:38:09,614 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,615 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:38:09,616 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,617 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:38:09,618 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a19~0 1)) (.cse5 (= ~a25~0 1))) (let ((.cse10 (= |old(~a11~0)| 1)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse11 (and .cse2 .cse3 .cse4 .cse18 .cse5)) (.cse17 (not (<= |old(~a11~0)| 0))) (.cse15 (and .cse2 .cse3 .cse4 .cse19 .cse6)) (.cse14 (not (<= |old(~a17~0)| 7))) (.cse8 (not (<= |old(~a19~0)| 0))) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse9 (not (= |old(~a19~0)| 1))) (.cse16 (= 10 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse12 (and .cse2 .cse3 .cse4 .cse18 .cse19)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse0 .cse9 .cse7 .cse10 .cse11) (or .cse1 .cse9 .cse7 .cse10 .cse12 .cse13) (or .cse0 .cse1 .cse9 .cse7 .cse13 .cse11) (or .cse1 .cse9 .cse14 .cse12) (or .cse1 .cse15 .cse16 .cse7 .cse8) (or .cse15 .cse16 .cse7 .cse8 .cse17) (or (not (<= |old(~a28~0)| 7)) .cse9 .cse12 .cse17) (or .cse1 .cse15 .cse14 .cse8 .cse13) (or .cse1 .cse9 .cse16 .cse7 .cse12 .cse13)))) [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:38:09,619 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:38:09,620 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:38:09,621 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:38:09,622 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:38:09,623 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:38:09,624 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:09,625 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-11-06 22:38:09,625 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:38:09,625 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:09,625 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse7 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse8 (= ~a25~0 1)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not (= |old(~a25~0)| 1))) (.cse10 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (not (= ~a28~0 10))) (.cse9 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse8 .cse1 .cse3) (and .cse5 .cse0 .cse6 .cse9 .cse8 .cse7 .cse3) (and .cse5 (<= ~a11~0 0) .cse10 .cse11 .cse6 .cse9 .cse3) (and .cse4 .cse10 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse10 .cse6 .cse9 .cse8 .cse1 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse11 .cse1 .cse3) (and .cse5 .cse10 .cse6 .cse11 .cse9 .cse1 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|))) [2020-11-06 22:38:09,625 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-11-06 22:38:09,626 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:09,626 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:09,626 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse7 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse8 (= ~a25~0 1)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not (= |old(~a25~0)| 1))) (.cse10 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (not (= ~a28~0 10))) (.cse9 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse8 .cse1 .cse3) (and .cse5 .cse0 .cse6 .cse9 .cse8 .cse7 .cse3) (and .cse5 (<= ~a11~0 0) .cse10 .cse11 .cse6 .cse9 .cse3) (and .cse4 .cse10 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse10 .cse6 .cse9 .cse8 .cse1 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse11 .cse1 .cse3) (and .cse5 .cse10 .cse6 .cse11 .cse9 .cse1 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|))) [2020-11-06 22:38:09,626 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:38:09,626 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:38:09,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:09 BoogieIcfgContainer [2020-11-06 22:38:09,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:38:09,654 INFO L168 Benchmark]: Toolchain (without parser) took 35368.03 ms. Allocated memory was 155.2 MB in the beginning and 389.0 MB in the end (delta: 233.8 MB). Free memory was 128.1 MB in the beginning and 153.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 228.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:09,655 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:38:09,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.78 ms. Allocated memory is still 155.2 MB. Free memory was 127.6 MB in the beginning and 101.9 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:09,656 INFO L168 Benchmark]: Boogie Preprocessor took 165.84 ms. Allocated memory is still 155.2 MB. Free memory was 101.9 MB in the beginning and 96.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:09,657 INFO L168 Benchmark]: RCFGBuilder took 1948.76 ms. Allocated memory is still 155.2 MB. Free memory was 96.9 MB in the beginning and 127.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:09,658 INFO L168 Benchmark]: TraceAbstraction took 32414.34 ms. Allocated memory was 155.2 MB in the beginning and 389.0 MB in the end (delta: 233.8 MB). Free memory was 126.5 MB in the beginning and 153.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 226.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:09,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 821.78 ms. Allocated memory is still 155.2 MB. Free memory was 127.6 MB in the beginning and 101.9 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 165.84 ms. Allocated memory is still 155.2 MB. Free memory was 101.9 MB in the beginning and 96.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1948.76 ms. Allocated memory is still 155.2 MB. Free memory was 96.9 MB in the beginning and 127.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32414.34 ms. Allocated memory was 155.2 MB in the beginning and 389.0 MB in the end (delta: 233.8 MB). Free memory was 126.5 MB in the beginning and 153.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 226.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((((a19 == 1 && a28 <= 10) && a17 <= 7) && 8 == \old(a17)) || !(\old(a19) == 1)) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && !(a11 == 1)) && a28 <= 10) && 8 == \old(a17))) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && a25 == 1) && a28 <= 10) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && !(a11 == 1)) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a11 <= 0) && a19 <= 0) && !(a28 == 10)) && a17 <= \old(a17)) && 8 <= a17) && 8 == \old(a17))) || ((((!(a28 == a17) && a19 <= 0) && a28 <= 10) && a17 <= 7) && 8 == \old(a17))) || !(\old(a28) <= 7)) || ((((((!(\old(a25) == 1) && a19 <= 0) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && a28 <= 10) && 8 == \old(a17))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && !(a28 == 10)) && a28 <= 10) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a19 <= 0) && a17 <= \old(a17)) && !(a28 == 10)) && 8 <= a17) && a28 <= 10) && 8 == \old(a17))) || !(\old(a11) <= 0)) || \old(a17) == \old(a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 473 SDtfs, 5835 SDslu, 349 SDs, 0 SdLazy, 7260 SolverSat, 1810 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 919 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3334occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 1291 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 245 PreInvPairs, 311 NumberOfFragments, 1084 HoareAnnotationTreeSize, 245 FomulaSimplifications, 42441 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8866 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1871 NumberOfCodeBlocks, 1871 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1859 ConstructedInterpolants, 0 QuantifiedInterpolants, 913886 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2458 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 567/622 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...