/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_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:33,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:33,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:33,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:37:33,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:33,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:33,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:33,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:37:33,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:33,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:33,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:33,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:33,236 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:33,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:33,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:33,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:33,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:33,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:33,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:33,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:33,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:33,240 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:33,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:33,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:33,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:33,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:33,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:33,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:33,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:33,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:33,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:33,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:33,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:33,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:33,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:33,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:33,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:33,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:33,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:33,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:33,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:33,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:33,727 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:33,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-11-06 22:37:33,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a81b8eaa/60d6a6d35da543d8a69f6ab123face98/FLAG1de0daa54 [2020-11-06 22:37:34,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:37:34,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-11-06 22:37:34,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a81b8eaa/60d6a6d35da543d8a69f6ab123face98/FLAG1de0daa54 [2020-11-06 22:37:34,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a81b8eaa/60d6a6d35da543d8a69f6ab123face98 [2020-11-06 22:37:34,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:37:34,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:37:34,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:34,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:37:34,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:37:34,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:34" (1/1) ... [2020-11-06 22:37:34,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651cec7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:34, skipping insertion in model container [2020-11-06 22:37:34,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:34" (1/1) ... [2020-11-06 22:37:34,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:37:35,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:37:35,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:35,510 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:37:35,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:35,817 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:37:35,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35 WrapperNode [2020-11-06 22:37:35,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:35,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:37:35,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:37:35,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:37:35,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... [2020-11-06 22:37:35,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:37:35,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:37:35,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:37:35,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:37:35,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:37:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:37:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:37:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:37:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:37:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:37:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:37:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:37:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:37:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:37:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:37:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:37:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:37:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:37:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:37:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:37:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:37:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:37:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:37:37,671 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:37:37,672 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:37:37,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:37 BoogieIcfgContainer [2020-11-06 22:37:37,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:37:37,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:37:37,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:37:37,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:37:37,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:34" (1/3) ... [2020-11-06 22:37:37,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe084ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:37, skipping insertion in model container [2020-11-06 22:37:37,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:35" (2/3) ... [2020-11-06 22:37:37,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe084ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:37, skipping insertion in model container [2020-11-06 22:37:37,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:37" (3/3) ... [2020-11-06 22:37:37,687 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2020-11-06 22:37:37,706 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:37:37,711 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:37:37,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:37:37,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:37:37,766 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:37:37,766 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:37:37,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:37:37,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:37:37,767 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:37:37,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:37:37,767 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:37:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:37:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 22:37:37,813 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:37,815 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] [2020-11-06 22:37:37,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:37,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:37,825 INFO L82 PathProgramCache]: Analyzing trace with hash -2076300467, now seen corresponding path program 1 times [2020-11-06 22:37:37,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:37,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822999620] [2020-11-06 22:37:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:38,505 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:38,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:38,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822999620] [2020-11-06 22:37:38,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:38,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:37:38,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902940917] [2020-11-06 22:37:38,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:37:38,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:37:38,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:37:38,706 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:37:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:41,134 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-11-06 22:37:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:37:41,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2020-11-06 22:37:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:41,155 INFO L225 Difference]: With dead ends: 667 [2020-11-06 22:37:41,155 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:37:41,165 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 [2020-11-06 22:37:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:37:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-11-06 22:37:41,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:37:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-11-06 22:37:41,288 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 114 [2020-11-06 22:37:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:41,290 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-11-06 22:37:41,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:37:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-11-06 22:37:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-06 22:37:41,307 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:41,308 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] [2020-11-06 22:37:41,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:37:41,309 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:41,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:41,310 INFO L82 PathProgramCache]: Analyzing trace with hash -679714687, now seen corresponding path program 1 times [2020-11-06 22:37:41,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:41,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813687341] [2020-11-06 22:37:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:41,627 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:41,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:41,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813687341] [2020-11-06 22:37:41,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:41,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:41,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051051966] [2020-11-06 22:37:41,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:41,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:41,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:41,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:41,745 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-11-06 22:37:41,901 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:37:42,434 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:37:44,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:44,162 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-11-06 22:37:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:37:44,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-11-06 22:37:44,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:44,178 INFO L225 Difference]: With dead ends: 991 [2020-11-06 22:37:44,179 INFO L226 Difference]: Without dead ends: 659 [2020-11-06 22:37:44,184 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 [2020-11-06 22:37:44,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-06 22:37:44,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-11-06 22:37:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-11-06 22:37:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 883 transitions. [2020-11-06 22:37:44,275 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 883 transitions. Word has length 122 [2020-11-06 22:37:44,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:44,276 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 883 transitions. [2020-11-06 22:37:44,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 883 transitions. [2020-11-06 22:37:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-06 22:37:44,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:44,280 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] [2020-11-06 22:37:44,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:37:44,281 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:44,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:44,282 INFO L82 PathProgramCache]: Analyzing trace with hash 562889544, now seen corresponding path program 1 times [2020-11-06 22:37:44,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:44,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139481469] [2020-11-06 22:37:44,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:44,532 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:44,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139481469] [2020-11-06 22:37:44,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:44,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:44,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871480702] [2020-11-06 22:37:44,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:44,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:44,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:44,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:44,662 INFO L87 Difference]: Start difference. First operand 643 states and 883 transitions. Second operand 7 states. [2020-11-06 22:37:47,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:47,125 INFO L93 Difference]: Finished difference Result 1925 states and 2786 transitions. [2020-11-06 22:37:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:37:47,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2020-11-06 22:37:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:47,146 INFO L225 Difference]: With dead ends: 1925 [2020-11-06 22:37:47,146 INFO L226 Difference]: Without dead ends: 1288 [2020-11-06 22:37:47,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:47,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-11-06 22:37:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-11-06 22:37:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-06 22:37:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1691 transitions. [2020-11-06 22:37:47,251 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1691 transitions. Word has length 125 [2020-11-06 22:37:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:47,252 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1691 transitions. [2020-11-06 22:37:47,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1691 transitions. [2020-11-06 22:37:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-06 22:37:47,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:47,258 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] [2020-11-06 22:37:47,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:37:47,259 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:47,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:47,259 INFO L82 PathProgramCache]: Analyzing trace with hash -289957011, now seen corresponding path program 1 times [2020-11-06 22:37:47,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:47,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147610307] [2020-11-06 22:37:47,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-06 22:37:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:37:47,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147610307] [2020-11-06 22:37:47,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498693427] [2020-11-06 22:37:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:37:47,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 22:37:48,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:48,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-11-06 22:37:48,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962833865] [2020-11-06 22:37:48,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:37:48,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:37:48,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:48,275 INFO L87 Difference]: Start difference. First operand 1256 states and 1691 transitions. Second operand 5 states. [2020-11-06 22:37:49,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:49,855 INFO L93 Difference]: Finished difference Result 3746 states and 5150 transitions. [2020-11-06 22:37:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:37:49,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-11-06 22:37:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:49,880 INFO L225 Difference]: With dead ends: 3746 [2020-11-06 22:37:49,881 INFO L226 Difference]: Without dead ends: 2496 [2020-11-06 22:37:49,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:37:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-06 22:37:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2456. [2020-11-06 22:37:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2020-11-06 22:37:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3039 transitions. [2020-11-06 22:37:50,055 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3039 transitions. Word has length 134 [2020-11-06 22:37:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:50,055 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 3039 transitions. [2020-11-06 22:37:50,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:37:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3039 transitions. [2020-11-06 22:37:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-06 22:37:50,068 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:50,070 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] [2020-11-06 22:37:50,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:50,287 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:50,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:50,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1876019432, now seen corresponding path program 1 times [2020-11-06 22:37:50,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:50,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704945607] [2020-11-06 22:37:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:37:50,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704945607] [2020-11-06 22:37:50,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755907478] [2020-11-06 22:37:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:50,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:37:50,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:50,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:37:50,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523049166] [2020-11-06 22:37:50,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:37:50,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:50,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:37:50,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:50,910 INFO L87 Difference]: Start difference. First operand 2456 states and 3039 transitions. Second operand 3 states. [2020-11-06 22:37:51,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:51,920 INFO L93 Difference]: Finished difference Result 5932 states and 7628 transitions. [2020-11-06 22:37:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:37:51,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-06 22:37:51,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:51,944 INFO L225 Difference]: With dead ends: 5932 [2020-11-06 22:37:51,944 INFO L226 Difference]: Without dead ends: 3482 [2020-11-06 22:37:51,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:51,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2020-11-06 22:37:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3478. [2020-11-06 22:37:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3478 states. [2020-11-06 22:37:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 4372 transitions. [2020-11-06 22:37:52,163 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 4372 transitions. Word has length 135 [2020-11-06 22:37:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:52,164 INFO L481 AbstractCegarLoop]: Abstraction has 3478 states and 4372 transitions. [2020-11-06 22:37:52,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:37:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4372 transitions. [2020-11-06 22:37:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-06 22:37:52,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:52,176 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] [2020-11-06 22:37:52,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:52,390 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash 440168001, now seen corresponding path program 1 times [2020-11-06 22:37:52,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:52,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194228769] [2020-11-06 22:37:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-06 22:37:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:37:52,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194228769] [2020-11-06 22:37:52,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055762679] [2020-11-06 22:37:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:52,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:52,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:37:52,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:52,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-11-06 22:37:52,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935699834] [2020-11-06 22:37:52,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:37:52,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:52,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:37:52,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:52,944 INFO L87 Difference]: Start difference. First operand 3478 states and 4372 transitions. Second operand 12 states. [2020-11-06 22:37:53,215 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:37:53,522 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:37:54,762 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:37:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:58,882 INFO L93 Difference]: Finished difference Result 8053 states and 10252 transitions. [2020-11-06 22:37:58,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-06 22:37:58,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 144 [2020-11-06 22:37:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:58,908 INFO L225 Difference]: With dead ends: 8053 [2020-11-06 22:37:58,908 INFO L226 Difference]: Without dead ends: 4581 [2020-11-06 22:37:58,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-11-06 22:37:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2020-11-06 22:37:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4105. [2020-11-06 22:37:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4105 states. [2020-11-06 22:37:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 4105 states and 4666 transitions. [2020-11-06 22:37:59,070 INFO L78 Accepts]: Start accepts. Automaton has 4105 states and 4666 transitions. Word has length 144 [2020-11-06 22:37:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:59,070 INFO L481 AbstractCegarLoop]: Abstraction has 4105 states and 4666 transitions. [2020-11-06 22:37:59,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:37:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4105 states and 4666 transitions. [2020-11-06 22:37:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-06 22:37:59,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:59,078 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] [2020-11-06 22:37:59,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:59,294 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:59,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:59,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1707384331, now seen corresponding path program 1 times [2020-11-06 22:37:59,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:59,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277737896] [2020-11-06 22:37:59,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:37:59,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277737896] [2020-11-06 22:37:59,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579233227] [2020-11-06 22:37:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:59,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:59,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:38:00,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:00,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:38:00,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502904492] [2020-11-06 22:38:00,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:38:00,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:00,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:38:00,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:38:00,069 INFO L87 Difference]: Start difference. First operand 4105 states and 4666 transitions. Second operand 3 states. [2020-11-06 22:38:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:00,785 INFO L93 Difference]: Finished difference Result 8204 states and 9326 transitions. [2020-11-06 22:38:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:38:00,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-06 22:38:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:00,818 INFO L225 Difference]: With dead ends: 8204 [2020-11-06 22:38:00,819 INFO L226 Difference]: Without dead ends: 4105 [2020-11-06 22:38:00,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:38:00,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2020-11-06 22:38:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3817. [2020-11-06 22:38:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3817 states. [2020-11-06 22:38:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4133 transitions. [2020-11-06 22:38:00,984 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4133 transitions. Word has length 149 [2020-11-06 22:38:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:00,985 INFO L481 AbstractCegarLoop]: Abstraction has 3817 states and 4133 transitions. [2020-11-06 22:38:00,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:38:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4133 transitions. [2020-11-06 22:38:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-06 22:38:00,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:00,996 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] [2020-11-06 22:38:01,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:01,211 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:01,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:01,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1834086023, now seen corresponding path program 1 times [2020-11-06 22:38:01,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:01,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808313671] [2020-11-06 22:38:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-06 22:38:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:38:01,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808313671] [2020-11-06 22:38:01,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855708907] [2020-11-06 22:38:01,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:01,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:01,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:38:01,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:01,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:38:01,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536343440] [2020-11-06 22:38:01,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:38:01,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:01,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:38:01,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:01,705 INFO L87 Difference]: Start difference. First operand 3817 states and 4133 transitions. Second operand 10 states. [2020-11-06 22:38:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:03,503 INFO L93 Difference]: Finished difference Result 7962 states and 8648 transitions. [2020-11-06 22:38:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:38:03,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-11-06 22:38:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:03,520 INFO L225 Difference]: With dead ends: 7962 [2020-11-06 22:38:03,520 INFO L226 Difference]: Without dead ends: 3534 [2020-11-06 22:38:03,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:38:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2020-11-06 22:38:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3362. [2020-11-06 22:38:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3362 states. [2020-11-06 22:38:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 3577 transitions. [2020-11-06 22:38:03,625 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 3577 transitions. Word has length 167 [2020-11-06 22:38:03,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:03,625 INFO L481 AbstractCegarLoop]: Abstraction has 3362 states and 3577 transitions. [2020-11-06 22:38:03,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 3577 transitions. [2020-11-06 22:38:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-06 22:38:03,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:03,633 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:03,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:03,846 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:03,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:03,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1688469641, now seen corresponding path program 1 times [2020-11-06 22:38:03,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:03,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809115276] [2020-11-06 22:38:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:03,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:38:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 22:38:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-06 22:38:04,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809115276] [2020-11-06 22:38:04,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502578297] [2020-11-06 22:38:04,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-11-06 22:38:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:04,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:38:04,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:04,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:38:04,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163512247] [2020-11-06 22:38:04,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:38:04,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:04,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:38:04,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:04,312 INFO L87 Difference]: Start difference. First operand 3362 states and 3577 transitions. Second operand 10 states. [2020-11-06 22:38:04,583 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-11-06 22:38:05,383 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:38:06,268 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:38:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:09,378 INFO L93 Difference]: Finished difference Result 8033 states and 8581 transitions. [2020-11-06 22:38:09,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:38:09,379 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 175 [2020-11-06 22:38:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:09,402 INFO L225 Difference]: With dead ends: 8033 [2020-11-06 22:38:09,402 INFO L226 Difference]: Without dead ends: 3460 [2020-11-06 22:38:09,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-11-06 22:38:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2020-11-06 22:38:09,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3157. [2020-11-06 22:38:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3157 states. [2020-11-06 22:38:09,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 3276 transitions. [2020-11-06 22:38:09,526 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 3276 transitions. Word has length 175 [2020-11-06 22:38:09,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:09,527 INFO L481 AbstractCegarLoop]: Abstraction has 3157 states and 3276 transitions. [2020-11-06 22:38:09,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 3276 transitions. [2020-11-06 22:38:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-11-06 22:38:09,543 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:09,543 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:09,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:09,757 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:09,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1465382408, now seen corresponding path program 1 times [2020-11-06 22:38:09,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:09,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966614844] [2020-11-06 22:38:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:09,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:38:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-11-06 22:38:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-06 22:38:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 246 proven. 50 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-06 22:38:10,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966614844] [2020-11-06 22:38:10,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111556144] [2020-11-06 22:38:10,332 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 [2020-11-06 22:38:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:10,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-06 22:38:10,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:10,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-11-06 22:38:10,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940114892] [2020-11-06 22:38:10,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:38:10,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:10,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:38:10,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:38:10,617 INFO L87 Difference]: Start difference. First operand 3157 states and 3276 transitions. Second operand 11 states. [2020-11-06 22:38:11,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:11,628 INFO L93 Difference]: Finished difference Result 4958 states and 5150 transitions. [2020-11-06 22:38:11,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:38:11,633 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 316 [2020-11-06 22:38:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:11,634 INFO L225 Difference]: With dead ends: 4958 [2020-11-06 22:38:11,634 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:38:11,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:38:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:38:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:38:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:38:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:38:11,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-11-06 22:38:11,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:11,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:38:11,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:38:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:38:11,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:38:11,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 22:38:11,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:38:12,526 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 154 [2020-11-06 22:38:12,692 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 154 [2020-11-06 22:38:12,868 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2020-11-06 22:38:15,170 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 203 DAG size of output: 92 [2020-11-06 22:38:15,298 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-11-06 22:38:15,947 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2020-11-06 22:38:16,664 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-11-06 22:38:17,395 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-11-06 22:38:17,400 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:38:17,401 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:38:17,401 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:38:17,401 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:38:17,401 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |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)|)) [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:17,402 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:38:17,403 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:17,403 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:17,403 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:38:17,403 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:38:17,403 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,404 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,404 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,404 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,405 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,405 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:38:17,405 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:38:17,405 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:38:17,407 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:38:17,407 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:38:17,408 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:17,409 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:17,409 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:38:17,409 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,409 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,409 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,411 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,411 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:38:17,411 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,411 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:17,412 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:38:17,413 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:17,415 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:38:17,416 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:38:17,417 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:38:17,418 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:17,419 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:38:17,420 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,421 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:38:17,422 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,423 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:38:17,424 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:38:17,425 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:38:17,425 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a19~0 1)) (.cse23 (= ~a17~0 8)) (.cse8 (= ~a25~0 1))) (let ((.cse11 (not (<= 8 |old(~a17~0)|))) (.cse19 (and .cse5 .cse7 .cse14 .cse23 .cse8)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse4 (and .cse5 .cse6 .cse7 .cse14 .cse8)) (.cse1 (not (<= |old(~a28~0)| 7))) (.cse17 (= ~a25~0 ~a11~0)) (.cse3 (not (= 0 |old(~a11~0)|))) (.cse18 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse10 (not (<= |old(~a17~0)| 7))) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse20 (not (= 8 |old(~a17~0)|))) (.cse12 (not (<= |old(~a28~0)| 9))) (.cse22 (not (<= |old(~a19~0)| 0))) (.cse24 (not (<= |old(~a28~0)| 10))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse26 (= 9 |old(~a28~0)|)) (.cse25 (not (= ~a28~0 9))) (.cse13 (<= 9 ~a28~0)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse15 (<= ~a28~0 |old(~a28~0)|)) (.cse16 (not (<= 9 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse2 .cse10) (or .cse0 .cse2 .cse11 .cse3 .cse12 (and .cse6 .cse7 .cse13 .cse14 .cse8 .cse15) .cse16) (or .cse0 .cse2 .cse11 .cse12 (and .cse17 .cse6 .cse13 .cse14 .cse8 .cse15) (= |old(~a17~0)| |old(~a28~0)|) .cse16 .cse18) (or .cse0 .cse2 .cse3 .cse19 .cse20) (or (and .cse17 .cse6 .cse13 .cse21 .cse15 .cse9) .cse10 .cse12 .cse22 .cse16 .cse18) (or .cse2 .cse20 .cse12 (and .cse7 .cse13 .cse14 .cse21 .cse23 .cse15) .cse16) (or .cse0 .cse1 .cse2 .cse19 .cse20) (or .cse0 .cse24 (and .cse25 .cse7 .cse13 .cse23 .cse8 .cse15 .cse9) .cse3 .cse26 .cse20 .cse22 .cse16) (or .cse0 .cse2 .cse3 .cse26 .cse10 .cse4 .cse16) (or .cse1 .cse2 (and .cse5 .cse17 .cse14 .cse21 .cse23) .cse3 .cse20 .cse18) (or (and .cse25 .cse6 .cse7 .cse13 .cse21 .cse15 .cse9) .cse24 .cse26 .cse10 .cse22 .cse16) (or (and .cse5 .cse7 .cse21 .cse23 .cse9) .cse20 .cse12 .cse22) (or .cse24 .cse2 .cse26 (and .cse25 .cse6 .cse7 .cse13 .cse14 .cse21 .cse15) .cse16)))) [2020-11-06 22:38:17,425 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,426 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:38:17,427 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,428 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:38:17,429 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:38:17,430 INFO L262 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse6 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse2 (= 9 |old(~a28~0)|)) (.cse13 (not (<= 8 |old(~a17~0)|))) (.cse9 (= |old(~a17~0)| |old(~a28~0)|)) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse8 (not (<= |old(~a28~0)| 9))) (.cse12 (not (<= |old(~a19~0)| 0))) (.cse3 (not (<= 9 |old(~a28~0)|))) (.cse10 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse11 (not (<= |old(~a28~0)| 7))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse5 (not (= 0 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse1 .cse5 .cse2 .cse7 .cse3) (or .cse1 .cse5 .cse6 .cse8 .cse9 .cse10) (or .cse4 .cse11 .cse1 .cse6) (or .cse6 .cse8 .cse12) (or .cse1 .cse6 .cse8 .cse3) (or .cse4 .cse11 .cse1 .cse7) (or .cse4 .cse0 .cse5 .cse6 .cse12) (or .cse0 .cse2 .cse7 .cse12 .cse3) (or .cse4 .cse1 .cse13 .cse5 .cse8 .cse3) (or .cse4 .cse1 .cse13 .cse8 .cse9 .cse3 .cse10) (or .cse7 .cse8 .cse12 .cse3 .cse10) (or .cse4 .cse11 .cse1 .cse5))) [2020-11-06 22:38:17,430 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:38:17,430 INFO L266 CegarLoopResult]: For program point L495-1(line 495) no Hoare annotation was computed. [2020-11-06 22:38:17,430 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:38:17,430 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,431 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:38:17,432 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:17,433 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a17~0 8) (= ~a11~0 0) (<= ~a28~0 7)) [2020-11-06 22:38:17,433 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:38:17,433 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:17,433 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse10 (<= ~a28~0 7)) (.cse1 (<= ~a19~0 0)) (.cse4 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse8 (= ~a11~0 0)) (.cse9 (= ~a17~0 8)) (.cse5 (not (= ~a28~0 9))) (.cse0 (= 7 |old(~a28~0)|)) (.cse2 (<= 9 ~a28~0)) (.cse6 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse7 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse6 .cse9 .cse7 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse6 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse9 (<= ~a28~0 9)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse4 .cse3) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse6 (= ~a25~0 |old(~a25~0)|) .cse9) (and .cse0 .cse6 .cse9 .cse7 .cse8) (and .cse0 .cse2 .cse6 .cse9 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse5 .cse0 .cse2 .cse6 .cse3))) [2020-11-06 22:38:17,433 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:38:17,433 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:17,434 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:17,434 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse10 (<= ~a28~0 7)) (.cse1 (<= ~a19~0 0)) (.cse4 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse8 (= ~a11~0 0)) (.cse9 (= ~a17~0 8)) (.cse5 (not (= ~a28~0 9))) (.cse0 (= 7 |old(~a28~0)|)) (.cse2 (<= 9 ~a28~0)) (.cse6 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse7 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse6 .cse9 .cse7 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse6 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse9 (<= ~a28~0 9)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse4 .cse3) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) .cse6 (= ~a25~0 |old(~a25~0)|) .cse9) (and .cse0 .cse6 .cse9 .cse7 .cse8) (and .cse0 .cse2 .cse6 .cse9 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse5 .cse0 .cse2 .cse6 .cse3))) [2020-11-06 22:38:17,434 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:38:17,434 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:38:17,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:17 BoogieIcfgContainer [2020-11-06 22:38:17,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:38:17,467 INFO L168 Benchmark]: Toolchain (without parser) took 42552.08 ms. Allocated memory was 160.4 MB in the beginning and 634.4 MB in the end (delta: 474.0 MB). Free memory was 134.6 MB in the beginning and 503.9 MB in the end (delta: -369.3 MB). Peak memory consumption was 377.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:17,468 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 133.8 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:38:17,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.33 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 138.6 MB in the end (delta: -4.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:17,469 INFO L168 Benchmark]: Boogie Preprocessor took 139.21 ms. Allocated memory is still 160.4 MB. Free memory was 138.6 MB in the beginning and 133.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:17,470 INFO L168 Benchmark]: RCFGBuilder took 1715.44 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 118.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:17,471 INFO L168 Benchmark]: TraceAbstraction took 39788.20 ms. Allocated memory was 160.4 MB in the beginning and 634.4 MB in the end (delta: 474.0 MB). Free memory was 117.8 MB in the beginning and 503.9 MB in the end (delta: -386.1 MB). Peak memory consumption was 360.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:17,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 133.8 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 889.33 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 138.6 MB in the end (delta: -4.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.21 ms. Allocated memory is still 160.4 MB. Free memory was 138.6 MB in the beginning and 133.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1715.44 ms. Allocated memory is still 160.4 MB. Free memory was 133.9 MB in the beginning and 118.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39788.20 ms. Allocated memory was 160.4 MB in the beginning and 634.4 MB in the end (delta: 474.0 MB). Free memory was 117.8 MB in the beginning and 503.9 MB in the end (delta: -386.1 MB). Peak memory consumption was 360.5 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: (((((((((((((((((((a25 == a11 && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a28 <= 10) && a17 <= 7) || ((((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a25 == 1) && a11 == 0) && a17 <= 7)) || !(\old(a19) == 1)) || ((((7 == \old(a28) && a19 == 1) && a17 == 8) && a25 == 1) && a28 <= 7)) || !(8 == \old(a17))) || ((((7 == \old(a28) && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 7)) || (((7 == \old(a28) && a19 <= 0) && a17 == 8) && a28 <= 9)) || !(\old(a28) <= 7)) || (((((7 == \old(a28) && a19 <= 0) && a17 == 8) && a25 == 1) && a11 == 0) && a28 <= 10)) || (((((!(a28 == 9) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a17 <= 7) && a28 <= 10)) || !(0 == \old(a11))) || ((((a28 == \old(a28) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && a17 == 8)) || ((((7 == \old(a28) && a19 == 1) && a17 == 8) && a25 == 1) && a11 == 0)) || ((((7 == \old(a28) && 9 <= a28) && a19 == 1) && a17 == 8) && a28 <= 10)) || !(\old(a11) == \old(a25))) || ((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 24.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 679 SDtfs, 6441 SDslu, 621 SDs, 0 SdLazy, 11424 SolverSat, 1701 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1416 GetRequests, 1297 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 4.6s 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, 1335 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 362 PreInvPairs, 416 NumberOfFragments, 1378 HoareAnnotationTreeSize, 362 FomulaSimplifications, 29668 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5720 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2801 NumberOfCodeBlocks, 2801 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2784 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211191 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3693 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 1288/1387 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...