/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:32:42,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:32:42,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:32:42,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:32:42,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:32:42,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:32:42,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:32:42,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:32:42,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:32:42,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:32:42,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:32:42,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:32:42,495 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:32:42,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:32:42,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:32:42,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:32:42,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:32:42,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:32:42,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:32:42,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:32:42,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:32:42,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:32:42,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:32:42,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:32:42,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:32:42,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:32:42,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:32:42,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:32:42,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:32:42,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:32:42,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:32:42,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:32:42,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:32:42,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:32:42,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:32:42,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:32:42,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:32:42,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:32:43,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:32:43,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:32:43,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:32:43,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:32:43,079 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:32:43,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-23 18:32:43,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b504843/4fec16ababa1413381d485f91dcf4aa4/FLAG2228e7876 [2020-10-23 18:32:44,035 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:32:44,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-23 18:32:44,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b504843/4fec16ababa1413381d485f91dcf4aa4/FLAG2228e7876 [2020-10-23 18:32:44,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b504843/4fec16ababa1413381d485f91dcf4aa4 [2020-10-23 18:32:44,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:32:44,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:32:44,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:44,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:32:44,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:32:44,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:44" (1/1) ... [2020-10-23 18:32:44,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aab51f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:44, skipping insertion in model container [2020-10-23 18:32:44,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:44" (1/1) ... [2020-10-23 18:32:44,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:32:44,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:32:44,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:44,888 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:32:45,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:45,112 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:32:45,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45 WrapperNode [2020-10-23 18:32:45,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:45,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:32:45,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:32:45,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:32:45,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... [2020-10-23 18:32:45,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:32:45,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:32:45,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:32:45,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:32:45,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:32:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:32:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:32:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:32:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:32:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:32:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:32:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:32:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:32:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:32:46,993 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:32:46,993 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:32:46,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:46 BoogieIcfgContainer [2020-10-23 18:32:46,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:32:46,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:32:46,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:32:47,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:32:47,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:32:44" (1/3) ... [2020-10-23 18:32:47,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17248115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:47, skipping insertion in model container [2020-10-23 18:32:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:45" (2/3) ... [2020-10-23 18:32:47,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17248115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:47, skipping insertion in model container [2020-10-23 18:32:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:46" (3/3) ... [2020-10-23 18:32:47,007 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-10-23 18:32:47,022 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:32:47,029 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:32:47,046 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:32:47,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:32:47,080 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:32:47,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:32:47,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:32:47,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:32:47,081 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:32:47,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:32:47,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:32:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:32:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-23 18:32:47,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:47,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:47,128 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:47,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1557066117, now seen corresponding path program 1 times [2020-10-23 18:32:47,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:47,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936101331] [2020-10-23 18:32:47,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:48,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936101331] [2020-10-23 18:32:48,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:48,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:32:48,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169559956] [2020-10-23 18:32:48,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:32:48,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:48,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:32:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:32:48,208 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:32:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:50,492 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-23 18:32:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:32:50,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-10-23 18:32:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:50,518 INFO L225 Difference]: With dead ends: 667 [2020-10-23 18:32:50,518 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:32:50,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:32:50,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:32:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-23 18:32:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-23 18:32:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-23 18:32:50,631 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 133 [2020-10-23 18:32:50,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:50,632 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-23 18:32:50,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:32:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-23 18:32:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-23 18:32:50,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:50,639 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:50,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:32:50,640 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1559091247, now seen corresponding path program 1 times [2020-10-23 18:32:50,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:50,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874507117] [2020-10-23 18:32:50,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:50,942 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:32:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:50,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:51,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874507117] [2020-10-23 18:32:51,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:51,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:32:51,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293045581] [2020-10-23 18:32:51,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:51,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:51,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:51,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:51,053 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-10-23 18:32:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:53,444 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-10-23 18:32:53,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:32:53,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-23 18:32:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:53,466 INFO L225 Difference]: With dead ends: 991 [2020-10-23 18:32:53,466 INFO L226 Difference]: Without dead ends: 659 [2020-10-23 18:32:53,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:32:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-10-23 18:32:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-10-23 18:32:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-23 18:32:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 883 transitions. [2020-10-23 18:32:53,549 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 883 transitions. Word has length 141 [2020-10-23 18:32:53,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:53,550 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 883 transitions. [2020-10-23 18:32:53,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 883 transitions. [2020-10-23 18:32:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-23 18:32:53,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:53,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:53,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:32:53,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:53,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:53,557 INFO L82 PathProgramCache]: Analyzing trace with hash -143136342, now seen corresponding path program 1 times [2020-10-23 18:32:53,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:53,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258835403] [2020-10-23 18:32:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:53,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258835403] [2020-10-23 18:32:53,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:53,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:32:53,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472156648] [2020-10-23 18:32:53,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:53,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:53,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:53,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:53,847 INFO L87 Difference]: Start difference. First operand 643 states and 883 transitions. Second operand 7 states. [2020-10-23 18:32:53,994 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:32:56,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:56,372 INFO L93 Difference]: Finished difference Result 1925 states and 2786 transitions. [2020-10-23 18:32:56,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:32:56,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-10-23 18:32:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:56,395 INFO L225 Difference]: With dead ends: 1925 [2020-10-23 18:32:56,396 INFO L226 Difference]: Without dead ends: 1288 [2020-10-23 18:32:56,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:32:56,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-10-23 18:32:56,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-10-23 18:32:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-23 18:32:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1691 transitions. [2020-10-23 18:32:56,527 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1691 transitions. Word has length 144 [2020-10-23 18:32:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:56,530 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1691 transitions. [2020-10-23 18:32:56,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1691 transitions. [2020-10-23 18:32:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-23 18:32:56,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:56,540 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:56,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:32:56,541 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:56,542 INFO L82 PathProgramCache]: Analyzing trace with hash -944091803, now seen corresponding path program 1 times [2020-10-23 18:32:56,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:56,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108536493] [2020-10-23 18:32:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-23 18:32:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:32:56,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108536493] [2020-10-23 18:32:56,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528226066] [2020-10-23 18:32:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:57,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-23 18:32:57,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-23 18:32:57,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:32:57,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-10-23 18:32:57,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3189190] [2020-10-23 18:32:57,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:32:57,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:57,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:32:57,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:32:57,443 INFO L87 Difference]: Start difference. First operand 1256 states and 1691 transitions. Second operand 5 states. [2020-10-23 18:32:58,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:58,939 INFO L93 Difference]: Finished difference Result 3746 states and 5150 transitions. [2020-10-23 18:32:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:32:58,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-23 18:32:58,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:58,962 INFO L225 Difference]: With dead ends: 3746 [2020-10-23 18:32:58,962 INFO L226 Difference]: Without dead ends: 2496 [2020-10-23 18:32:58,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:32:58,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-23 18:32:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2456. [2020-10-23 18:32:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2020-10-23 18:32:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3039 transitions. [2020-10-23 18:32:59,089 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3039 transitions. Word has length 153 [2020-10-23 18:32:59,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:59,090 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 3039 transitions. [2020-10-23 18:32:59,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:32:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3039 transitions. [2020-10-23 18:32:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 18:32:59,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:59,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:59,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:59,315 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:59,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:59,317 INFO L82 PathProgramCache]: Analyzing trace with hash 208274394, now seen corresponding path program 1 times [2020-10-23 18:32:59,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:59,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969961107] [2020-10-23 18:32:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:59,519 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:32:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:59,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:32:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:32:59,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969961107] [2020-10-23 18:32:59,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990359249] [2020-10-23 18:32:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:59,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:32:59,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:33:00,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:00,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:00,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215727872] [2020-10-23 18:33:00,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:00,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:00,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:00,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:00,041 INFO L87 Difference]: Start difference. First operand 2456 states and 3039 transitions. Second operand 3 states. [2020-10-23 18:33:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:00,974 INFO L93 Difference]: Finished difference Result 5932 states and 7628 transitions. [2020-10-23 18:33:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:00,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-23 18:33:00,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:01,002 INFO L225 Difference]: With dead ends: 5932 [2020-10-23 18:33:01,003 INFO L226 Difference]: Without dead ends: 3482 [2020-10-23 18:33:01,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2020-10-23 18:33:01,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3478. [2020-10-23 18:33:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3478 states. [2020-10-23 18:33:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 4372 transitions. [2020-10-23 18:33:01,223 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 4372 transitions. Word has length 154 [2020-10-23 18:33:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:01,226 INFO L481 AbstractCegarLoop]: Abstraction has 3478 states and 4372 transitions. [2020-10-23 18:33:01,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4372 transitions. [2020-10-23 18:33:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-23 18:33:01,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:01,244 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:01,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:01,458 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:01,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:01,459 INFO L82 PathProgramCache]: Analyzing trace with hash -644496879, now seen corresponding path program 1 times [2020-10-23 18:33:01,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:01,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693639965] [2020-10-23 18:33:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-23 18:33:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-23 18:33:01,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693639965] [2020-10-23 18:33:01,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844182803] [2020-10-23 18:33:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:02,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:02,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:33:02,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:02,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-10-23 18:33:02,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49713682] [2020-10-23 18:33:02,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:33:02,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:33:02,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:33:02,275 INFO L87 Difference]: Start difference. First operand 3478 states and 4372 transitions. Second operand 12 states. [2020-10-23 18:33:02,583 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:33:04,138 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:33:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:08,599 INFO L93 Difference]: Finished difference Result 8053 states and 10252 transitions. [2020-10-23 18:33:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-23 18:33:08,600 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2020-10-23 18:33:08,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:08,630 INFO L225 Difference]: With dead ends: 8053 [2020-10-23 18:33:08,631 INFO L226 Difference]: Without dead ends: 4581 [2020-10-23 18:33:08,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-10-23 18:33:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2020-10-23 18:33:08,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4105. [2020-10-23 18:33:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4105 states. [2020-10-23 18:33:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 4105 states and 4666 transitions. [2020-10-23 18:33:08,822 INFO L78 Accepts]: Start accepts. Automaton has 4105 states and 4666 transitions. Word has length 163 [2020-10-23 18:33:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:08,823 INFO L481 AbstractCegarLoop]: Abstraction has 4105 states and 4666 transitions. [2020-10-23 18:33:08,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:33:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4105 states and 4666 transitions. [2020-10-23 18:33:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-23 18:33:08,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:08,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:09,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:09,051 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:09,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:09,052 INFO L82 PathProgramCache]: Analyzing trace with hash 689875421, now seen corresponding path program 1 times [2020-10-23 18:33:09,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:09,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335087856] [2020-10-23 18:33:09,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:09,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:33:09,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335087856] [2020-10-23 18:33:09,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326932060] [2020-10-23 18:33:09,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:09,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:09,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:33:09,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:09,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:09,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932759594] [2020-10-23 18:33:09,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:09,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:09,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:09,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:09,901 INFO L87 Difference]: Start difference. First operand 4105 states and 4666 transitions. Second operand 3 states. [2020-10-23 18:33:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:10,653 INFO L93 Difference]: Finished difference Result 8204 states and 9326 transitions. [2020-10-23 18:33:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:10,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-10-23 18:33:10,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:10,680 INFO L225 Difference]: With dead ends: 8204 [2020-10-23 18:33:10,680 INFO L226 Difference]: Without dead ends: 4105 [2020-10-23 18:33:10,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:10,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2020-10-23 18:33:10,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3817. [2020-10-23 18:33:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3817 states. [2020-10-23 18:33:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4133 transitions. [2020-10-23 18:33:10,835 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4133 transitions. Word has length 168 [2020-10-23 18:33:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:10,835 INFO L481 AbstractCegarLoop]: Abstraction has 3817 states and 4133 transitions. [2020-10-23 18:33:10,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4133 transitions. [2020-10-23 18:33:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-23 18:33:10,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:10,846 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:11,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:11,062 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:11,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:11,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2110840843, now seen corresponding path program 1 times [2020-10-23 18:33:11,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:11,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997649612] [2020-10-23 18:33:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:33:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-23 18:33:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:33:11,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997649612] [2020-10-23 18:33:11,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767144570] [2020-10-23 18:33:11,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:11,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:11,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:33:11,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:11,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:33:11,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127474109] [2020-10-23 18:33:11,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:33:11,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:11,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:33:11,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:11,624 INFO L87 Difference]: Start difference. First operand 3817 states and 4133 transitions. Second operand 10 states. [2020-10-23 18:33:12,748 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:33:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:13,751 INFO L93 Difference]: Finished difference Result 7962 states and 8648 transitions. [2020-10-23 18:33:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:13,752 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2020-10-23 18:33:13,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:13,774 INFO L225 Difference]: With dead ends: 7962 [2020-10-23 18:33:13,774 INFO L226 Difference]: Without dead ends: 3847 [2020-10-23 18:33:13,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:33:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2020-10-23 18:33:13,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3675. [2020-10-23 18:33:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3675 states. [2020-10-23 18:33:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3675 states and 3943 transitions. [2020-10-23 18:33:13,924 INFO L78 Accepts]: Start accepts. Automaton has 3675 states and 3943 transitions. Word has length 186 [2020-10-23 18:33:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:13,924 INFO L481 AbstractCegarLoop]: Abstraction has 3675 states and 3943 transitions. [2020-10-23 18:33:13,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:33:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 3943 transitions. [2020-10-23 18:33:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-23 18:33:13,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:13,934 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:14,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:14,149 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 233125331, now seen corresponding path program 1 times [2020-10-23 18:33:14,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:14,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849550532] [2020-10-23 18:33:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 18:33:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:33:14,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849550532] [2020-10-23 18:33:14,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990463188] [2020-10-23 18:33:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:14,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:14,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:33:14,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:14,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:33:14,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006280023] [2020-10-23 18:33:14,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:33:14,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:14,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:33:14,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:14,678 INFO L87 Difference]: Start difference. First operand 3675 states and 3943 transitions. Second operand 10 states. [2020-10-23 18:33:15,106 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-23 18:33:16,155 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-23 18:33:17,233 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:33:18,188 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:33:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:21,296 INFO L93 Difference]: Finished difference Result 8809 states and 9487 transitions. [2020-10-23 18:33:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 18:33:21,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-10-23 18:33:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:21,316 INFO L225 Difference]: With dead ends: 8809 [2020-10-23 18:33:21,317 INFO L226 Difference]: Without dead ends: 3610 [2020-10-23 18:33:21,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-10-23 18:33:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2020-10-23 18:33:21,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3161. [2020-10-23 18:33:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3161 states. [2020-10-23 18:33:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 3282 transitions. [2020-10-23 18:33:21,451 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 3282 transitions. Word has length 190 [2020-10-23 18:33:21,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:21,452 INFO L481 AbstractCegarLoop]: Abstraction has 3161 states and 3282 transitions. [2020-10-23 18:33:21,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:33:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3282 transitions. [2020-10-23 18:33:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-23 18:33:21,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:21,466 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:33:21,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:21,680 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:21,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:21,682 INFO L82 PathProgramCache]: Analyzing trace with hash -970703430, now seen corresponding path program 1 times [2020-10-23 18:33:21,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:21,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897475273] [2020-10-23 18:33:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:21,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:21,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-23 18:33:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-23 18:33:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-23 18:33:22,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897475273] [2020-10-23 18:33:22,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525517388] [2020-10-23 18:33:22,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:22,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:22,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-23 18:33:22,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:22,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:22,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291011779] [2020-10-23 18:33:22,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:22,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:22,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:22,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:22,580 INFO L87 Difference]: Start difference. First operand 3161 states and 3282 transitions. Second operand 3 states. [2020-10-23 18:33:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:23,314 INFO L93 Difference]: Finished difference Result 6024 states and 6257 transitions. [2020-10-23 18:33:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:23,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2020-10-23 18:33:23,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:23,316 INFO L225 Difference]: With dead ends: 6024 [2020-10-23 18:33:23,316 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:33:23,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:33:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:33:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:33:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:33:23,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2020-10-23 18:33:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:23,329 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:33:23,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:33:23,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:33:23,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-23 18:33:23,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:33:24,610 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 159 [2020-10-23 18:33:24,784 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 159 [2020-10-23 18:33:25,480 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2020-10-23 18:33:25,639 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-10-23 18:33:29,121 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 220 DAG size of output: 89 [2020-10-23 18:33:29,302 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-10-23 18:33:31,039 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 137 DAG size of output: 69 [2020-10-23 18:33:32,749 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 137 DAG size of output: 69 [2020-10-23 18:33:32,755 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:33:32,755 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:33:32,756 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:33:32,756 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:33:32,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:32,757 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#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)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:33:32,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:32,757 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:33:32,757 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:33:32,757 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:33:32,757 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:32,758 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,759 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:33:32,760 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,761 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:33:32,762 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:33:32,763 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:32,764 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:33:32,765 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,771 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:33:32,772 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,773 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:33:32,774 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:33:32,775 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,775 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,775 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:33:32,776 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:33:32,776 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:33:32,776 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:33:32,776 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:32,776 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,777 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:33:32,778 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:33:32,779 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:33:32,779 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:33:32,779 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:33:32,779 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:33:32,779 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:33:32,780 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:33:32,780 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:33:32,780 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:33:32,781 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:33:32,782 INFO L270 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse13 (not (<= |old(~a28~0)| 7))) (.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (not (<= |old(~a17~0)| 7))) (.cse0 (not (<= 8 |old(~a17~0)|))) (.cse12 (not (<= |old(~a25~0)| 0))) (.cse5 (not (<= |old(~a28~0)| 10))) (.cse9 (not (= |old(~a25~0)| 1))) (.cse6 (not (= |old(~a19~0)| 1))) (.cse7 (= 9 |old(~a28~0)|)) (.cse1 (not (= 0 |old(~a11~0)|))) (.cse11 (not (<= |old(~a28~0)| 9))) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse8 (not (<= 9 |old(~a28~0)|))) (.cse4 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse2 .cse8 .cse4) (or .cse0 .cse12 .cse11 .cse2) (or .cse9 .cse6 .cse0) (or .cse13 .cse0 .cse1 .cse2) (or .cse9 .cse13 .cse6) (or .cse9 .cse5 .cse7 .cse2 .cse8) (or .cse13 .cse6 .cse1 .cse3 .cse4) (or .cse5 .cse7 .cse10 .cse2 .cse8) (or .cse5 .cse6 .cse7 .cse12 .cse8) (or .cse6 .cse0 .cse12 .cse11 .cse8) (or .cse5 .cse6 .cse1 .cse7 .cse8) (or .cse9 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse11 .cse2 .cse8 .cse4))) [2020-10-23 18:33:32,782 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:33:32,782 INFO L274 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-10-23 18:33:32,782 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:33:32,782 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:33:32,783 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:33:32,783 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:33:32,783 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,785 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,787 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:33:32,787 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:33:32,787 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:33:32,788 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:33:32,788 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:33:32,788 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:33:32,788 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:33:32,788 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse15 (= ~a19~0 |old(~a19~0)|)) (.cse9 (not (= ~a28~0 9))) (.cse12 (<= 9 ~a28~0)) (.cse22 (= ~a25~0 |old(~a25~0)|)) (.cse14 (<= ~a28~0 |old(~a28~0)|)) (.cse19 (= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a19~0 1)) (.cse13 (= ~a25~0 1))) (let ((.cse8 (and .cse19 .cse10 .cse11 .cse21 .cse13)) (.cse6 (not (= |old(~a25~0)| 1))) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse20 (= ~a25~0 ~a11~0)) (.cse23 (= |old(~a17~0)| |old(~a28~0)|)) (.cse24 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse25 (not (<= |old(~a17~0)| 7))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse3 (= 9 |old(~a28~0)|)) (.cse4 (and .cse9 .cse10 .cse11 .cse12 .cse21 .cse22 .cse14)) (.cse5 (not (<= 9 |old(~a28~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse18 (and .cse19 .cse10 .cse11 .cse22 .cse15)) (.cse27 (not (<= |old(~a25~0)| 0))) (.cse26 (not (<= |old(~a28~0)| 9))) (.cse16 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse8 .cse5) (or .cse6 .cse0 .cse3 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse5) (or .cse17 .cse1 .cse18 .cse7 .cse16) (or .cse17 .cse2 .cse7 (and .cse19 .cse20 .cse10 .cse21 .cse22) .cse23 .cse24) (or .cse6 .cse25 .cse26 (and .cse20 .cse10 .cse12 .cse13 .cse14 .cse15) .cse16 .cse5 .cse24) (or .cse6 .cse2 .cse1 .cse8) (or .cse6 .cse17 (and .cse19 .cse10 .cse11 .cse13 .cse15) .cse2) (or .cse0 .cse2 .cse3 .cse27 .cse4 .cse5) (or (and .cse20 .cse10 .cse12 .cse22 .cse14 .cse15) .cse7 .cse26 .cse16 .cse5 .cse24) (or .cse2 .cse1 .cse27 .cse26 (and .cse10 .cse11 .cse12 .cse21 .cse22 .cse14) .cse5) (or .cse1 .cse7 (and .cse19 .cse20 .cse10 .cse22 .cse15) .cse16 .cse23 .cse24) (or (and .cse9 .cse10 .cse11 .cse12 .cse22 .cse14 .cse15) .cse0 .cse3 .cse25 .cse16 .cse5) (or .cse0 .cse2 .cse7 .cse3 .cse4 .cse5) (or .cse1 .cse18 .cse27 .cse26 .cse16)))) [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,789 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:33:32,790 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:33:32,791 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:33:32,791 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:33:32,791 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:33:32,791 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:33:32,791 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:33:32,792 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,793 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:33:32,794 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,795 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:33:32,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:32,797 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7)) [2020-10-23 18:33:32,797 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:33:32,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:32,797 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a28~0)|)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse17 (not (= ~a28~0 ~a17~0))) (.cse5 (= ~a25~0 ~a11~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a19~0 1)) (.cse16 (= ~a11~0 0)) (.cse11 (<= ~a28~0 7))) (let ((.cse7 (= ~a25~0 1)) (.cse15 (or (and .cse17 .cse5 .cse0 .cse10 .cse16 .cse11) (and .cse13 .cse17 .cse5 .cse14 (= ~a11~0 |old(~a11~0)|) .cse10 (= ~a25~0 |old(~a25~0)|) .cse16 .cse11 (= ~a19~0 |old(~a19~0)|)))) (.cse3 (<= 8 ~a17~0)) (.cse1 (<= ~a19~0 0)) (.cse8 (<= ~a17~0 7)) (.cse12 (not (= ~a28~0 9))) (.cse6 (<= 9 ~a28~0)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 10)) (.cse4 (<= ~a25~0 0))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= ~a28~0 9) .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse7 .cse11) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse3 .cse9) (and .cse13 .cse14 .cse15) (and .cse0 .cse6 .cse10 .cse2 .cse3 .cse4 .cse9) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse5 .cse1 .cse6 .cse2 .cse16 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse7) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse7 .cse16) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse17 .cse5 .cse1 .cse2 .cse3 .cse16) (and .cse12 .cse0 .cse1 .cse6 .cse2 .cse7 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse16 .cse11) (and .cse12 .cse0 .cse6 .cse10 .cse16 .cse9) (and .cse2 .cse15 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse12 .cse0 .cse1 .cse6 .cse2 .cse8 .cse9) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse9 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-23 18:33:32,798 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:33:32,798 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:32,798 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:32,798 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a28~0)|)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse17 (not (= ~a28~0 ~a17~0))) (.cse5 (= ~a25~0 ~a11~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a19~0 1)) (.cse16 (= ~a11~0 0)) (.cse11 (<= ~a28~0 7))) (let ((.cse7 (= ~a25~0 1)) (.cse15 (or (and .cse17 .cse5 .cse0 .cse10 .cse16 .cse11) (and .cse13 .cse17 .cse5 .cse14 (= ~a11~0 |old(~a11~0)|) .cse10 (= ~a25~0 |old(~a25~0)|) .cse16 .cse11 (= ~a19~0 |old(~a19~0)|)))) (.cse3 (<= 8 ~a17~0)) (.cse1 (<= ~a19~0 0)) (.cse8 (<= ~a17~0 7)) (.cse12 (not (= ~a28~0 9))) (.cse6 (<= 9 ~a28~0)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 10)) (.cse4 (<= ~a25~0 0))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= ~a28~0 9) .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse7 .cse11) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse3 .cse9) (and .cse13 .cse14 .cse15) (and .cse0 .cse6 .cse10 .cse2 .cse3 .cse4 .cse9) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse5 .cse1 .cse6 .cse2 .cse16 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse7) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse7 .cse16) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse17 .cse5 .cse1 .cse2 .cse3 .cse16) (and .cse12 .cse0 .cse1 .cse6 .cse2 .cse7 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse16 .cse11) (and .cse12 .cse0 .cse6 .cse10 .cse16 .cse9) (and .cse2 .cse15 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse12 .cse0 .cse1 .cse6 .cse2 .cse8 .cse9) (and .cse12 .cse0 .cse6 .cse10 .cse2 .cse9 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-23 18:33:32,798 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:33:32,799 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:33:32,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:33:32 BoogieIcfgContainer [2020-10-23 18:33:32,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:33:32,878 INFO L168 Benchmark]: Toolchain (without parser) took 48583.33 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 124.9 MB in the beginning and 213.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 334.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:32,878 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.1 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:33:32,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.33 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 129.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:32,880 INFO L168 Benchmark]: Boogie Preprocessor took 143.73 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 125.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:32,881 INFO L168 Benchmark]: RCFGBuilder took 1737.57 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 103.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:32,882 INFO L168 Benchmark]: TraceAbstraction took 45874.34 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 103.0 MB in the beginning and 213.0 MB in the end (delta: -110.0 MB). Peak memory consumption was 312.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:32,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.1 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 807.33 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 129.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.73 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 125.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1737.57 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 103.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45874.34 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 103.0 MB in the beginning and 213.0 MB in the end (delta: -110.0 MB). Peak memory consumption was 312.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(\old(a19) == 1) || (((((7 == \old(a28) && a19 <= 0) && a17 <= \old(a17)) && 8 <= a17) && a28 <= 9) && a25 <= 0)) || (((((((a25 == a11 && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a17 <= \old(a17)) && a25 == 1) && a17 <= 7) && a28 <= 10)) || ((((7 == \old(a28) && a19 == 1) && a17 <= \old(a17)) && a25 == 1) && a28 <= 7)) || ((((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10)) || ((a28 == \old(a28) && a17 == \old(a17)) && ((((((!(a28 == a17) && a25 == a11) && 7 == \old(a28)) && a19 == 1) && a11 == 0) && a28 <= 7) || (((((((((a28 == \old(a28) && !(a28 == a17)) && a25 == a11) && a17 == \old(a17)) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && a11 == 0) && a28 <= 7) && a19 == \old(a19))))) || ((((((7 == \old(a28) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 <= 0) && a28 <= 10)) || !(\old(a28) <= 7)) || (((((((7 == \old(a28) && a25 == a11) && a19 <= 0) && 9 <= a28) && a17 <= \old(a17)) && a11 == 0) && a17 <= 7) && a28 <= 10)) || ((((7 == \old(a28) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1)) || ((((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && a25 == 1) && a11 == 0)) || !(0 == \old(a11))) || ((((((7 == \old(a28) && !(a28 == a17)) && a25 == a11) && a19 <= 0) && a17 <= \old(a17)) && 8 <= a17) && a11 == 0)) || ((((((!(a28 == 9) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a17 <= \old(a17)) && a25 == 1) && a28 <= 10)) || (((((7 == \old(a28) && a19 <= 0) && a17 <= \old(a17)) && 8 <= a17) && a11 == 0) && a28 <= 7)) || (((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a11 == 0) && a28 <= 10)) || ((a17 <= \old(a17) && ((((((!(a28 == a17) && a25 == a11) && 7 == \old(a28)) && a19 == 1) && a11 == 0) && a28 <= 7) || (((((((((a28 == \old(a28) && !(a28 == a17)) && a25 == a11) && a17 == \old(a17)) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && a11 == 0) && a28 <= 7) && a19 == \old(a19)))) && 8 <= a17)) || \old(a17) == \old(a28)) || ((((((!(a28 == 9) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a17 <= \old(a17)) && a17 <= 7) && a28 <= 10)) || ((((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && a28 <= 10) && a25 <= 0)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 729 SDtfs, 6244 SDslu, 582 SDs, 0 SdLazy, 10940 SolverSat, 1849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1499 GetRequests, 1384 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4105occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 1481 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 380 PreInvPairs, 448 NumberOfFragments, 1877 HoareAnnotationTreeSize, 380 FomulaSimplifications, 48012 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8470 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3038 NumberOfCodeBlocks, 3038 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3021 ConstructedInterpolants, 0 QuantifiedInterpolants, 1488163 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3734 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 1094/1141 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...