/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/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:40:58,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:40:58,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:40:58,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:40:58,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:40:58,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:40:58,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:40:58,387 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 22:40:58,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:40:58,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:40:58,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:40:58,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:40:58,445 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:40:58,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:40:58,445 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:40:58,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:40:58,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:40:58,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:40:58,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:40:58,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:40:58,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:40:58,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:40:58,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:40:58,448 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:40:58,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:40:58,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:40:58,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:40:58,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:40:58,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:40:58,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:40:58,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:40:58,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:40:58,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:40:58,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:40:58,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:40:58,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:40:58,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:40:58,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:40:58,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:40:58,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:40:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:40:58,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:40:58,862 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:40:58,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-11-06 22:40:58,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cdb597c/0cf45290d20840fcb215d313f8080027/FLAGad490e30e [2020-11-06 22:40:59,718 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:40:59,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-11-06 22:40:59,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cdb597c/0cf45290d20840fcb215d313f8080027/FLAGad490e30e [2020-11-06 22:40:59,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cdb597c/0cf45290d20840fcb215d313f8080027 [2020-11-06 22:40:59,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:40:59,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:40:59,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:40:59,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:40:59,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:40:59,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:59" (1/1) ... [2020-11-06 22:40:59,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762ed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:59, skipping insertion in model container [2020-11-06 22:40:59,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:59" (1/1) ... [2020-11-06 22:40:59,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:41:00,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:41:00,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:00,504 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:41:00,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:00,780 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:41:00,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00 WrapperNode [2020-11-06 22:41:00,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:41:00,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:41:00,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:41:00,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:41:00,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:41:00,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:41:00,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:41:00,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:41:00,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (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 22:41:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:41:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:41:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:41:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:41:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:41:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:41:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:41:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:41:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:41:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:41:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:41:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:41:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:41:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:41:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:41:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:41:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:41:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:41:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:41:02,827 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:41:02,827 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:41:02,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:02 BoogieIcfgContainer [2020-11-06 22:41:02,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:41:02,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:41:02,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:41:02,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:41:02,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:59" (1/3) ... [2020-11-06 22:41:02,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:02, skipping insertion in model container [2020-11-06 22:41:02,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00" (2/3) ... [2020-11-06 22:41:02,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:02, skipping insertion in model container [2020-11-06 22:41:02,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:02" (3/3) ... [2020-11-06 22:41:02,840 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-11-06 22:41:02,855 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:41:02,860 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:41:02,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:41:02,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:41:02,903 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:41:02,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:41:02,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:41:02,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:41:02,904 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:41:02,904 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:41:02,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:41:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-11-06 22:41:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-06 22:41:02,937 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:02,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:02,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:02,945 INFO L82 PathProgramCache]: Analyzing trace with hash -684547144, now seen corresponding path program 1 times [2020-11-06 22:41:02,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:02,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630941019] [2020-11-06 22:41:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:03,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:03,563 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 22:41:03,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630941019] [2020-11-06 22:41:03,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:03,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:03,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16433838] [2020-11-06 22:41:03,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:41:03,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:03,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:41:03,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:03,598 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-11-06 22:41:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:07,128 INFO L93 Difference]: Finished difference Result 891 states and 1619 transitions. [2020-11-06 22:41:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:41:07,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-11-06 22:41:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:07,174 INFO L225 Difference]: With dead ends: 891 [2020-11-06 22:41:07,175 INFO L226 Difference]: Without dead ends: 565 [2020-11-06 22:41:07,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:41:07,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-11-06 22:41:07,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2020-11-06 22:41:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-11-06 22:41:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 907 transitions. [2020-11-06 22:41:07,315 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 907 transitions. Word has length 48 [2020-11-06 22:41:07,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:07,316 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 907 transitions. [2020-11-06 22:41:07,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:41:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 907 transitions. [2020-11-06 22:41:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-06 22:41:07,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:07,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:07,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:41:07,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:07,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:07,332 INFO L82 PathProgramCache]: Analyzing trace with hash -991205480, now seen corresponding path program 1 times [2020-11-06 22:41:07,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:07,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270309097] [2020-11-06 22:41:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:07,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:07,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270309097] [2020-11-06 22:41:07,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:07,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:41:07,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032989422] [2020-11-06 22:41:07,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:41:07,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:07,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:41:07,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:41:07,674 INFO L87 Difference]: Start difference. First operand 559 states and 907 transitions. Second operand 8 states. [2020-11-06 22:41:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:10,290 INFO L93 Difference]: Finished difference Result 1322 states and 2176 transitions. [2020-11-06 22:41:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:41:10,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-11-06 22:41:10,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:10,299 INFO L225 Difference]: With dead ends: 1322 [2020-11-06 22:41:10,300 INFO L226 Difference]: Without dead ends: 769 [2020-11-06 22:41:10,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:41:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-11-06 22:41:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 567. [2020-11-06 22:41:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-11-06 22:41:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 820 transitions. [2020-11-06 22:41:10,361 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 820 transitions. Word has length 122 [2020-11-06 22:41:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:10,362 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 820 transitions. [2020-11-06 22:41:10,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:41:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 820 transitions. [2020-11-06 22:41:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-06 22:41:10,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:10,365 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:10,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:41:10,365 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:10,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:10,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2002086392, now seen corresponding path program 1 times [2020-11-06 22:41:10,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:10,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401432303] [2020-11-06 22:41:10,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:10,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:10,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401432303] [2020-11-06 22:41:10,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976630254] [2020-11-06 22:41:10,711 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 22:41:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:10,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:10,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:10,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:10,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:41:10,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489252919] [2020-11-06 22:41:10,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:10,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:10,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:10,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:10,917 INFO L87 Difference]: Start difference. First operand 567 states and 820 transitions. Second operand 3 states. [2020-11-06 22:41:12,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:12,060 INFO L93 Difference]: Finished difference Result 1678 states and 2461 transitions. [2020-11-06 22:41:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:12,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-06 22:41:12,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:12,070 INFO L225 Difference]: With dead ends: 1678 [2020-11-06 22:41:12,070 INFO L226 Difference]: Without dead ends: 1117 [2020-11-06 22:41:12,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-11-06 22:41:12,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 933. [2020-11-06 22:41:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-11-06 22:41:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1276 transitions. [2020-11-06 22:41:12,128 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1276 transitions. Word has length 131 [2020-11-06 22:41:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:12,131 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1276 transitions. [2020-11-06 22:41:12,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2020-11-06 22:41:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-06 22:41:12,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:12,141 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:12,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:41:12,357 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:12,358 INFO L82 PathProgramCache]: Analyzing trace with hash -427586132, now seen corresponding path program 1 times [2020-11-06 22:41:12,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:12,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748706356] [2020-11-06 22:41:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-11-06 22:41:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 109 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:41:13,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748706356] [2020-11-06 22:41:13,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360569001] [2020-11-06 22:41:13,301 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 22:41:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:13,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 22:41:13,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:13,554 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-06 22:41:13,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:13,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-06 22:41:13,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:13,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2020-11-06 22:41:13,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757113540] [2020-11-06 22:41:13,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:41:13,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:13,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:41:13,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:41:13,702 INFO L87 Difference]: Start difference. First operand 933 states and 1276 transitions. Second operand 5 states. [2020-11-06 22:41:15,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:15,376 INFO L93 Difference]: Finished difference Result 2270 states and 3091 transitions. [2020-11-06 22:41:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:41:15,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-11-06 22:41:15,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:15,391 INFO L225 Difference]: With dead ends: 2270 [2020-11-06 22:41:15,392 INFO L226 Difference]: Without dead ends: 1343 [2020-11-06 22:41:15,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-11-06 22:41:15,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-11-06 22:41:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1319. [2020-11-06 22:41:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-11-06 22:41:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1693 transitions. [2020-11-06 22:41:15,464 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1693 transitions. Word has length 234 [2020-11-06 22:41:15,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:15,466 INFO L481 AbstractCegarLoop]: Abstraction has 1319 states and 1693 transitions. [2020-11-06 22:41:15,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:41:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1693 transitions. [2020-11-06 22:41:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-11-06 22:41:15,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:15,477 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:41:15,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:15,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:15,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:15,692 INFO L82 PathProgramCache]: Analyzing trace with hash 183229176, now seen corresponding path program 1 times [2020-11-06 22:41:15,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:15,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690019767] [2020-11-06 22:41:15,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 22:41:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-06 22:41:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 154 proven. 191 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:41:16,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690019767] [2020-11-06 22:41:16,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808798701] [2020-11-06 22:41:16,590 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 22:41:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:16,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-06 22:41:16,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:17,013 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-11-06 22:41:17,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:17,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:17,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:41:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-06 22:41:17,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:17,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-11-06 22:41:17,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141236780] [2020-11-06 22:41:17,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-06 22:41:17,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:17,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-06 22:41:17,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:41:17,388 INFO L87 Difference]: Start difference. First operand 1319 states and 1693 transitions. Second operand 15 states. [2020-11-06 22:41:17,545 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-11-06 22:41:17,928 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-11-06 22:41:18,448 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-11-06 22:41:19,340 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-11-06 22:41:22,000 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-11-06 22:41:22,491 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-11-06 22:41:22,824 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-11-06 22:41:23,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:23,909 INFO L93 Difference]: Finished difference Result 3330 states and 4336 transitions. [2020-11-06 22:41:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:41:23,910 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 318 [2020-11-06 22:41:23,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:23,923 INFO L225 Difference]: With dead ends: 3330 [2020-11-06 22:41:23,924 INFO L226 Difference]: Without dead ends: 1970 [2020-11-06 22:41:23,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2020-11-06 22:41:23,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2020-11-06 22:41:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1877. [2020-11-06 22:41:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-11-06 22:41:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2152 transitions. [2020-11-06 22:41:24,028 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2152 transitions. Word has length 318 [2020-11-06 22:41:24,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:24,028 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2152 transitions. [2020-11-06 22:41:24,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-06 22:41:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2152 transitions. [2020-11-06 22:41:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-11-06 22:41:24,036 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:24,036 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:24,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:24,251 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:24,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1456012600, now seen corresponding path program 1 times [2020-11-06 22:41:24,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:24,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376115707] [2020-11-06 22:41:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:24,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:24,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-11-06 22:41:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:24,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-11-06 22:41:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 151 proven. 223 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:41:25,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376115707] [2020-11-06 22:41:25,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670597440] [2020-11-06 22:41:25,030 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 22:41:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:25,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:41:25,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:25,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-11-06 22:41:25,317 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-06 22:41:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-11-06 22:41:25,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:25,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2020-11-06 22:41:25,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137967842] [2020-11-06 22:41:25,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:41:25,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:25,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:41:25,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-11-06 22:41:25,494 INFO L87 Difference]: Start difference. First operand 1877 states and 2152 transitions. Second operand 5 states. [2020-11-06 22:41:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:26,800 INFO L93 Difference]: Finished difference Result 4520 states and 5325 transitions. [2020-11-06 22:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:41:26,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-11-06 22:41:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:26,814 INFO L225 Difference]: With dead ends: 4520 [2020-11-06 22:41:26,815 INFO L226 Difference]: Without dead ends: 2649 [2020-11-06 22:41:26,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-11-06 22:41:26,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2020-11-06 22:41:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2647. [2020-11-06 22:41:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2020-11-06 22:41:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3095 transitions. [2020-11-06 22:41:26,909 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3095 transitions. Word has length 343 [2020-11-06 22:41:26,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:26,910 INFO L481 AbstractCegarLoop]: Abstraction has 2647 states and 3095 transitions. [2020-11-06 22:41:26,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:41:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3095 transitions. [2020-11-06 22:41:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-11-06 22:41:26,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:26,922 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:27,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:27,137 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:27,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:27,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2124128464, now seen corresponding path program 1 times [2020-11-06 22:41:27,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:27,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919542895] [2020-11-06 22:41:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:27,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:41:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:27,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:41:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-11-06 22:41:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 266 proven. 280 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-11-06 22:41:28,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919542895] [2020-11-06 22:41:28,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693026103] [2020-11-06 22:41:28,095 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 22:41:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:41:28,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 561 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-06 22:41:28,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:28,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-11-06 22:41:28,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379472784] [2020-11-06 22:41:28,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:41:28,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:41:28,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:41:28,503 INFO L87 Difference]: Start difference. First operand 2647 states and 3095 transitions. Second operand 13 states. [2020-11-06 22:41:30,339 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-11-06 22:41:30,730 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-11-06 22:41:31,834 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-11-06 22:41:33,221 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-11-06 22:41:34,161 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-11-06 22:41:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:35,672 INFO L93 Difference]: Finished difference Result 6244 states and 7497 transitions. [2020-11-06 22:41:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-06 22:41:35,673 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 453 [2020-11-06 22:41:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:35,692 INFO L225 Difference]: With dead ends: 6244 [2020-11-06 22:41:35,693 INFO L226 Difference]: Without dead ends: 3785 [2020-11-06 22:41:35,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2020-11-06 22:41:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2020-11-06 22:41:35,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3579. [2020-11-06 22:41:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3579 states. [2020-11-06 22:41:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4167 transitions. [2020-11-06 22:41:35,812 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4167 transitions. Word has length 453 [2020-11-06 22:41:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:35,814 INFO L481 AbstractCegarLoop]: Abstraction has 3579 states and 4167 transitions. [2020-11-06 22:41:35,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:41:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4167 transitions. [2020-11-06 22:41:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-11-06 22:41:35,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:35,831 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:36,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-06 22:41:36,045 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:36,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1360700028, now seen corresponding path program 1 times [2020-11-06 22:41:36,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:36,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326195781] [2020-11-06 22:41:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:41:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:41:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-11-06 22:41:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-11-06 22:41:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 512 proven. 81 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2020-11-06 22:41:36,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326195781] [2020-11-06 22:41:36,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421436898] [2020-11-06 22:41:36,954 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 22:41:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:37,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 22:41:37,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:37,274 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-11-06 22:41:37,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:37,276 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:41:37,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:41:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 762 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-06 22:41:37,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:37,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-11-06 22:41:37,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729065062] [2020-11-06 22:41:37,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:41:37,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:37,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:41:37,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:41:37,698 INFO L87 Difference]: Start difference. First operand 3579 states and 4167 transitions. Second operand 11 states. [2020-11-06 22:41:38,150 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-11-06 22:41:39,408 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-11-06 22:41:41,169 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-11-06 22:41:41,576 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-11-06 22:41:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:42,293 INFO L93 Difference]: Finished difference Result 7624 states and 8960 transitions. [2020-11-06 22:41:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-06 22:41:42,294 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 537 [2020-11-06 22:41:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:42,313 INFO L225 Difference]: With dead ends: 7624 [2020-11-06 22:41:42,313 INFO L226 Difference]: Without dead ends: 4194 [2020-11-06 22:41:42,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 562 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-11-06 22:41:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2020-11-06 22:41:42,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 3945. [2020-11-06 22:41:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3945 states. [2020-11-06 22:41:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 4392 transitions. [2020-11-06 22:41:42,421 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 4392 transitions. Word has length 537 [2020-11-06 22:41:42,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:42,422 INFO L481 AbstractCegarLoop]: Abstraction has 3945 states and 4392 transitions. [2020-11-06 22:41:42,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:41:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 4392 transitions. [2020-11-06 22:41:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2020-11-06 22:41:42,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:42,432 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-06 22:41:42,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:42,646 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:42,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:42,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1690169824, now seen corresponding path program 1 times [2020-11-06 22:41:42,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:42,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880623588] [2020-11-06 22:41:42,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:41:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:42,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:41:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-06 22:41:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:43,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-11-06 22:41:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 549 proven. 73 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-11-06 22:41:43,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880623588] [2020-11-06 22:41:43,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799257224] [2020-11-06 22:41:43,500 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 22:41:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:43,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:43,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-06 22:41:44,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:44,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-11-06 22:41:44,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701405671] [2020-11-06 22:41:44,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:41:44,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:44,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:41:44,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:41:44,034 INFO L87 Difference]: Start difference. First operand 3945 states and 4392 transitions. Second operand 8 states. [2020-11-06 22:41:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:46,023 INFO L93 Difference]: Finished difference Result 9354 states and 10557 transitions. [2020-11-06 22:41:46,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:41:46,024 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 637 [2020-11-06 22:41:46,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:46,049 INFO L225 Difference]: With dead ends: 9354 [2020-11-06 22:41:46,049 INFO L226 Difference]: Without dead ends: 5597 [2020-11-06 22:41:46,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 653 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:41:46,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-11-06 22:41:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5587. [2020-11-06 22:41:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5587 states. [2020-11-06 22:41:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5587 states to 5587 states and 6228 transitions. [2020-11-06 22:41:46,246 INFO L78 Accepts]: Start accepts. Automaton has 5587 states and 6228 transitions. Word has length 637 [2020-11-06 22:41:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:46,247 INFO L481 AbstractCegarLoop]: Abstraction has 5587 states and 6228 transitions. [2020-11-06 22:41:46,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:41:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5587 states and 6228 transitions. [2020-11-06 22:41:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2020-11-06 22:41:46,260 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:46,261 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:46,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:46,475 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:46,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:46,476 INFO L82 PathProgramCache]: Analyzing trace with hash -635073528, now seen corresponding path program 1 times [2020-11-06 22:41:46,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:46,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116834675] [2020-11-06 22:41:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:41:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:41:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-06 22:41:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:46,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-11-06 22:41:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-06 22:41:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 657 proven. 85 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2020-11-06 22:41:47,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116834675] [2020-11-06 22:41:47,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784939538] [2020-11-06 22:41:47,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:41:47,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 1080 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-11-06 22:41:48,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:48,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-11-06 22:41:48,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956384332] [2020-11-06 22:41:48,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-06 22:41:48,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:48,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-06 22:41:48,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:41:48,272 INFO L87 Difference]: Start difference. First operand 5587 states and 6228 transitions. Second operand 14 states. [2020-11-06 22:41:48,732 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-11-06 22:41:48,954 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-11-06 22:41:49,262 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-11-06 22:41:49,477 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2020-11-06 22:41:51,059 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-11-06 22:41:51,979 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-11-06 22:41:52,369 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-11-06 22:41:52,612 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-11-06 22:41:52,912 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-11-06 22:41:53,646 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2020-11-06 22:41:53,879 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-11-06 22:41:54,565 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-11-06 22:41:54,772 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-11-06 22:41:55,043 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-11-06 22:41:55,244 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2020-11-06 22:41:55,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:55,767 INFO L93 Difference]: Finished difference Result 11513 states and 12975 transitions. [2020-11-06 22:41:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-06 22:41:55,768 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 643 [2020-11-06 22:41:55,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:55,792 INFO L225 Difference]: With dead ends: 11513 [2020-11-06 22:41:55,793 INFO L226 Difference]: Without dead ends: 6002 [2020-11-06 22:41:55,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 675 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=386, Invalid=1420, Unknown=0, NotChecked=0, Total=1806 [2020-11-06 22:41:55,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-11-06 22:41:55,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5039. [2020-11-06 22:41:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5039 states. [2020-11-06 22:41:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5039 states to 5039 states and 5553 transitions. [2020-11-06 22:41:55,941 INFO L78 Accepts]: Start accepts. Automaton has 5039 states and 5553 transitions. Word has length 643 [2020-11-06 22:41:55,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:55,942 INFO L481 AbstractCegarLoop]: Abstraction has 5039 states and 5553 transitions. [2020-11-06 22:41:55,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-06 22:41:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5039 states and 5553 transitions. [2020-11-06 22:41:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2020-11-06 22:41:55,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:55,954 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:41:56,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 22:41:56,169 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:56,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1699081608, now seen corresponding path program 1 times [2020-11-06 22:41:56,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:56,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656498443] [2020-11-06 22:41:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:41:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:41:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-06 22:41:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-06 22:41:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-11-06 22:41:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 612 proven. 17 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2020-11-06 22:41:57,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656498443] [2020-11-06 22:41:57,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677609940] [2020-11-06 22:41:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:57,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-06 22:41:57,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1071 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2020-11-06 22:41:57,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:57,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-11-06 22:41:57,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068298612] [2020-11-06 22:41:57,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:41:57,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:57,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:41:57,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:41:57,887 INFO L87 Difference]: Start difference. First operand 5039 states and 5553 transitions. Second operand 13 states. [2020-11-06 22:42:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:42:07,347 INFO L93 Difference]: Finished difference Result 11370 states and 12613 transitions. [2020-11-06 22:42:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-11-06 22:42:07,347 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 796 [2020-11-06 22:42:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:42:07,368 INFO L225 Difference]: With dead ends: 11370 [2020-11-06 22:42:07,368 INFO L226 Difference]: Without dead ends: 6521 [2020-11-06 22:42:07,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=775, Invalid=4195, Unknown=0, NotChecked=0, Total=4970 [2020-11-06 22:42:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6521 states. [2020-11-06 22:42:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6521 to 5413. [2020-11-06 22:42:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5413 states. [2020-11-06 22:42:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 5413 states and 5763 transitions. [2020-11-06 22:42:07,507 INFO L78 Accepts]: Start accepts. Automaton has 5413 states and 5763 transitions. Word has length 796 [2020-11-06 22:42:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:42:07,508 INFO L481 AbstractCegarLoop]: Abstraction has 5413 states and 5763 transitions. [2020-11-06 22:42:07,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:42:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 5763 transitions. [2020-11-06 22:42:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2020-11-06 22:42:07,525 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:42:07,525 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:42:07,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:42:07,740 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:42:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:42:07,742 INFO L82 PathProgramCache]: Analyzing trace with hash -637600636, now seen corresponding path program 1 times [2020-11-06 22:42:07,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:42:07,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603744315] [2020-11-06 22:42:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:42:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:42:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:42:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:42:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:42:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-06 22:42:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-06 22:42:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-11-06 22:42:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-11-06 22:42:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-11-06 22:42:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2020-11-06 22:42:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 943 proven. 145 refuted. 0 times theorem prover too weak. 2452 trivial. 0 not checked. [2020-11-06 22:42:09,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603744315] [2020-11-06 22:42:09,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745606771] [2020-11-06 22:42:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:42:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:09,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:42:09,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:42:09,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-11-06 22:42:09,748 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-06 22:42:09,751 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-06 22:42:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 971 proven. 2 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2020-11-06 22:42:10,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:42:10,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2020-11-06 22:42:10,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186859818] [2020-11-06 22:42:10,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-06 22:42:10,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:42:10,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-06 22:42:10,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:42:10,360 INFO L87 Difference]: Start difference. First operand 5413 states and 5763 transitions. Second operand 15 states. [2020-11-06 22:42:11,567 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-11-06 22:42:13,689 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-11-06 22:42:15,127 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2020-11-06 22:42:20,373 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-11-06 22:42:21,183 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-11-06 22:42:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:42:24,005 INFO L93 Difference]: Finished difference Result 13008 states and 13836 transitions. [2020-11-06 22:42:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-11-06 22:42:24,006 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1050 [2020-11-06 22:42:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:42:24,031 INFO L225 Difference]: With dead ends: 13008 [2020-11-06 22:42:24,031 INFO L226 Difference]: Without dead ends: 7221 [2020-11-06 22:42:24,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1099 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=386, Invalid=1966, Unknown=0, NotChecked=0, Total=2352 [2020-11-06 22:42:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2020-11-06 22:42:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 4847. [2020-11-06 22:42:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4847 states. [2020-11-06 22:42:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5041 transitions. [2020-11-06 22:42:24,192 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5041 transitions. Word has length 1050 [2020-11-06 22:42:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:42:24,193 INFO L481 AbstractCegarLoop]: Abstraction has 4847 states and 5041 transitions. [2020-11-06 22:42:24,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-06 22:42:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5041 transitions. [2020-11-06 22:42:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2020-11-06 22:42:24,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:42:24,211 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:42:24,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:42:24,426 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:42:24,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:42:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1347859420, now seen corresponding path program 1 times [2020-11-06 22:42:24,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:42:24,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054507703] [2020-11-06 22:42:24,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:42:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:42:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:42:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-11-06 22:42:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-06 22:42:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-06 22:42:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-06 22:42:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:25,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-11-06 22:42:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:25,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-11-06 22:42:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-11-06 22:42:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-11-06 22:42:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 860 proven. 177 refuted. 0 times theorem prover too weak. 2700 trivial. 0 not checked. [2020-11-06 22:42:26,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054507703] [2020-11-06 22:42:26,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299386896] [2020-11-06 22:42:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:42:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:26,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-06 22:42:26,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:42:26,497 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:42:26,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:42:26,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:42:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 2216 proven. 6 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2020-11-06 22:42:27,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:42:27,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2020-11-06 22:42:27,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435885946] [2020-11-06 22:42:27,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-06 22:42:27,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:42:27,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-06 22:42:27,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-06 22:42:27,659 INFO L87 Difference]: Start difference. First operand 4847 states and 5041 transitions. Second operand 18 states. [2020-11-06 22:42:27,935 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-11-06 22:42:29,195 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2020-11-06 22:42:31,519 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-11-06 22:42:31,914 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2020-11-06 22:42:32,810 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-11-06 22:42:33,892 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-06 22:42:39,257 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2020-11-06 22:42:40,347 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-06 22:42:40,537 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2020-11-06 22:42:41,202 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2020-11-06 22:42:42,123 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-11-06 22:42:45,999 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-11-06 22:42:48,289 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-11-06 22:42:51,476 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-11-06 22:42:52,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:42:52,784 INFO L93 Difference]: Finished difference Result 11711 states and 12179 transitions. [2020-11-06 22:42:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-06 22:42:52,784 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1098 [2020-11-06 22:42:52,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:42:52,786 INFO L225 Difference]: With dead ends: 11711 [2020-11-06 22:42:52,786 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:42:52,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1271 GetRequests, 1181 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2777 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1261, Invalid=6923, Unknown=6, NotChecked=0, Total=8190 [2020-11-06 22:42:52,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:42:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:42:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:42:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:42:52,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1098 [2020-11-06 22:42:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:42:52,805 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:42:52,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-06 22:42:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:42:52,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:42:53,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-06 22:42:53,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:42:53,653 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 302 [2020-11-06 22:42:53,831 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 123 [2020-11-06 22:42:54,189 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 123 [2020-11-06 22:42:54,738 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-11-06 22:42:55,400 WARN L194 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 302 [2020-11-06 22:42:58,378 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 305 DAG size of output: 89 [2020-11-06 22:42:58,579 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 28 [2020-11-06 22:43:03,815 WARN L194 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 472 DAG size of output: 115 [2020-11-06 22:43:06,615 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 305 DAG size of output: 89 [2020-11-06 22:43:06,739 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-11-06 22:43:08,537 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 240 DAG size of output: 79 [2020-11-06 22:43:08,542 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:43:08,542 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:43:08,542 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:43:08,542 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#t~string7.base)| |#t~string7.base|)) [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-11-06 22:43:08,543 INFO L266 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:43:08,544 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,546 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,547 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-11-06 22:43:08,548 INFO L266 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-11-06 22:43:08,549 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-11-06 22:43:08,550 INFO L266 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-11-06 22:43:08,551 INFO L266 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-11-06 22:43:08,552 INFO L266 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-11-06 22:43:08,553 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,553 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,553 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,553 INFO L266 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-11-06 22:43:08,553 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse15 (= ~a21~0 |old(~a21~0)|)) (.cse19 (= ~a24~0 1)) (.cse16 (= ~a12~0 |old(~a12~0)|)) (.cse17 (= ~a15~0 |old(~a15~0)|))) (let ((.cse2 (not (<= 8 |old(~a15~0)|))) (.cse6 (not (= 9 |old(~a21~0)|))) (.cse7 (and .cse19 (= ~a21~0 9) .cse16 .cse17)) (.cse0 (not (= 7 |old(~a21~0)|))) (.cse14 (= ~a24~0 |old(~a24~0)|)) (.cse12 (not (<= 13 |old(~a12~0)|))) (.cse18 (not (<= |old(~a21~0)| 6))) (.cse11 (= 5 |old(~a15~0)|)) (.cse13 (= 6 |old(~a15~0)|)) (.cse9 (not (<= |old(~a12~0)| 11))) (.cse10 (not (<= |old(~a15~0)| 8))) (.cse5 (not (< 80 |old(~a12~0)|))) (.cse1 (not (= |old(~a24~0)| 1))) (.cse8 (not (<= 10 |old(~a21~0)|))) (.cse3 (and .cse15 .cse19 .cse16 .cse17)) (.cse4 (= 10 |old(~a15~0)|))) (and (or .cse0 .cse1 (not (<= 81 |old(~a12~0)|)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse8 .cse3 .cse4 .cse9) (or .cse1 .cse8 .cse3 .cse10) (or .cse1 .cse11 .cse3 .cse12 .cse10 .cse13) (or (and .cse14 .cse15 .cse16 .cse17) .cse10 .cse18 .cse13 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse1 .cse2 .cse3 .cse12 .cse18 .cse4) (or .cse1 .cse10 .cse6 .cse7) (or .cse0 (not (< 0 (+ |old(~a12~0)| 43))) (and .cse14 .cse16 (= 7 ~a21~0) .cse17) .cse1 .cse10 .cse13) (or .cse1 .cse11 (not (<= |old(~a12~0)| 73282)) .cse3 .cse12 .cse10 .cse18) (or (and (= 5 ~a15~0) (= ~a21~0 6) .cse19 .cse16) .cse1 (not (= 6 |old(~a21~0)|)) (not .cse11)) (or .cse1 .cse11 .cse3 .cse10 .cse13 .cse9) (or .cse1 (not (= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|)) (and .cse19 (= ~a21~0 8) .cse16 .cse17)) (or (not (<= 8 |old(~a21~0)|)) .cse1 .cse10 (not (<= |old(~a21~0)| 8)) (and (<= |old(~a21~0)| ~a21~0) .cse19 .cse16 .cse17 (<= ~a21~0 8))) (or .cse5 .cse1 .cse8 .cse3 .cse4)))) [2020-11-06 22:43:08,553 INFO L266 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,554 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L262 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a21~0)| 6))) (.cse2 (not (<= 13 |old(~a12~0)|))) (.cse9 (not (= 7 |old(~a21~0)|))) (.cse1 (not (<= 8 |old(~a15~0)|))) (.cse4 (= 10 |old(~a15~0)|)) (.cse0 (not (= |old(~a24~0)| 1))) (.cse8 (= 5 |old(~a15~0)|)) (.cse5 (not (<= |old(~a15~0)| 8))) (.cse6 (= 6 |old(~a15~0)|)) (.cse7 (not (<= |old(~a12~0)| 11)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse0 (not (<= 10 |old(~a21~0)|)) .cse4 .cse7) (or .cse0 .cse8 (not (<= |old(~a12~0)| 73282)) .cse2 .cse5 .cse3) (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse5) (or .cse9 (not (< 0 (+ |old(~a12~0)| 43))) .cse0 .cse5 .cse6) (or .cse0 .cse8 .cse2 .cse5 .cse6) (or .cse0 (not (= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|))) (or .cse9 .cse0 (not (<= 81 |old(~a12~0)|)) .cse1 .cse4) (or (not (< 80 |old(~a12~0)|)) .cse0 (not (<= 9 |old(~a21~0)|)) .cse4) (or .cse0 (not (= 6 |old(~a21~0)|)) (not .cse8)) (or .cse0 .cse8 .cse5 .cse6 .cse7))) [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-11-06 22:43:08,555 INFO L266 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-11-06 22:43:08,556 INFO L266 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-11-06 22:43:08,557 INFO L266 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-11-06 22:43:08,558 INFO L266 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,559 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:43:08,560 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:43:08,561 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:43:08,562 INFO L266 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:43:08,563 INFO L266 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-11-06 22:43:08,564 INFO L266 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:43:08,565 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:43:08,566 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0)) [2020-11-06 22:43:08,567 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:43:08,567 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:43:08,567 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-11-06 22:43:08,567 INFO L262 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse14 (= 5 ~a15~0))) (let ((.cse5 (< 80 ~a12~0)) (.cse4 (<= ~a21~0 6)) (.cse2 (<= 8 ~a15~0)) (.cse13 (= 7 ~a21~0)) (.cse1 (<= 13 ~a12~0)) (.cse7 (not .cse14)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a15~0 8)) (.cse11 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse3 (not (= ~a15~0 10))) (.cse6 (<= 10 ~a21~0))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse2 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3 (= ~a21~0 9)) (and .cse5 .cse0 .cse3 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse7 .cse0 .cse8 .cse4 (exists ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse10 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse9 (+ (* 5 aux_div_v_~a12~0_449_31) .cse10))) (and (<= ~a12~0 aux_div_v_~a12~0_449_31) (<= .cse9 366413) (< 366344 .cse9) (< .cse10 5) (<= 0 .cse10)))))) (and .cse7 .cse11 .cse12 .cse0 .cse8) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= (+ ~a12~0 49) 0) .cse12 .cse8 .cse4) (and .cse2 (<= 81 ~a12~0) .cse0 .cse3 .cse13) (not (= 7 |old(~a21~0)|)) (and .cse14 (= ~a21~0 6) .cse0) (and (<= 8 ~a21~0) .cse0 .cse8) (and (< 0 (+ ~a12~0 43)) .cse0 .cse12 .cse8 .cse13) (and .cse1 .cse7 .cse12 .cse0 .cse8) (and .cse11 .cse0 .cse3 .cse6)))) [2020-11-06 22:43:08,567 INFO L266 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-11-06 22:43:08,568 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-11-06 22:43:08,568 INFO L266 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-11-06 22:43:08,568 INFO L262 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse14 (= 5 ~a15~0))) (let ((.cse5 (< 80 ~a12~0)) (.cse4 (<= ~a21~0 6)) (.cse2 (<= 8 ~a15~0)) (.cse13 (= 7 ~a21~0)) (.cse1 (<= 13 ~a12~0)) (.cse7 (not .cse14)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a15~0 8)) (.cse11 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse3 (not (= ~a15~0 10))) (.cse6 (<= 10 ~a21~0))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse2 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3 (= ~a21~0 9)) (and .cse5 .cse0 .cse3 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse7 .cse0 .cse8 .cse4 (exists ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse10 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse9 (+ (* 5 aux_div_v_~a12~0_449_31) .cse10))) (and (<= ~a12~0 aux_div_v_~a12~0_449_31) (<= .cse9 366413) (< 366344 .cse9) (< .cse10 5) (<= 0 .cse10)))))) (and .cse7 .cse11 .cse12 .cse0 .cse8) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= (+ ~a12~0 49) 0) .cse12 .cse8 .cse4) (and .cse2 (<= 81 ~a12~0) .cse0 .cse3 .cse13) (not (= 7 |old(~a21~0)|)) (and .cse14 (= ~a21~0 6) .cse0) (and (<= 8 ~a21~0) .cse0 .cse8) (and (< 0 (+ ~a12~0 43)) .cse0 .cse12 .cse8 .cse13) (and .cse1 .cse7 .cse12 .cse0 .cse8) (and .cse11 .cse0 .cse3 .cse6)))) [2020-11-06 22:43:08,568 INFO L266 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-11-06 22:43:08,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:43:08 BoogieIcfgContainer [2020-11-06 22:43:08,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:43:08,608 INFO L168 Benchmark]: Toolchain (without parser) took 128656.65 ms. Allocated memory was 161.5 MB in the beginning and 1.1 GB in the end (delta: 947.9 MB). Free memory was 134.9 MB in the beginning and 423.7 MB in the end (delta: -288.9 MB). Peak memory consumption was 673.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:08,608 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 161.5 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:43:08,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.15 ms. Allocated memory is still 161.5 MB. Free memory was 134.2 MB in the beginning and 101.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:08,609 INFO L168 Benchmark]: Boogie Preprocessor took 143.22 ms. Allocated memory is still 161.5 MB. Free memory was 101.5 MB in the beginning and 96.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:08,610 INFO L168 Benchmark]: RCFGBuilder took 1902.53 ms. Allocated memory was 161.5 MB in the beginning and 213.9 MB in the end (delta: 52.4 MB). Free memory was 96.1 MB in the beginning and 182.4 MB in the end (delta: -86.4 MB). Peak memory consumption was 48.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:08,611 INFO L168 Benchmark]: TraceAbstraction took 125770.25 ms. Allocated memory was 213.9 MB in the beginning and 1.1 GB in the end (delta: 895.5 MB). Free memory was 181.9 MB in the beginning and 423.7 MB in the end (delta: -241.8 MB). Peak memory consumption was 667.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:08,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 161.5 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 824.15 ms. Allocated memory is still 161.5 MB. Free memory was 134.2 MB in the beginning and 101.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.22 ms. Allocated memory is still 161.5 MB. Free memory was 101.5 MB in the beginning and 96.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1902.53 ms. Allocated memory was 161.5 MB in the beginning and 213.9 MB in the end (delta: 52.4 MB). Free memory was 96.1 MB in the beginning and 182.4 MB in the end (delta: -86.4 MB). Peak memory consumption was 48.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 125770.25 ms. Allocated memory was 213.9 MB in the beginning and 1.1 GB in the end (delta: 895.5 MB). Free memory was 181.9 MB in the beginning and 423.7 MB in the end (delta: -241.8 MB). Peak memory consumption was 667.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] * 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: 882]: Loop Invariant [2020-11-06 22:43:08,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-11-06 22:43:08,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-11-06 22:43:08,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] Derived loop invariant: (((((((((((((((!(\old(a24) == 1) || ((a24 == 1 && a21 == 8) && a15 == 9)) || ((((13 <= a12 && 8 <= a15) && a24 == 1) && !(a15 == 10)) && a21 <= 6)) || (((80 < a12 && a24 == 1) && !(a15 == 10)) && a21 == 9)) || (((80 < a12 && a24 == 1) && !(a15 == 10)) && 10 <= a21)) || !(8 == \old(a15))) || (((((13 <= a12 && !(5 == a15)) && a24 == 1) && a15 <= 8) && a21 <= 6) && (\exists aux_div_v_~a12~0_449_31 : int, aux_div_aux_mod_v_~a12~0_449_31_31 : int :: (((a12 <= aux_div_v_~a12~0_449_31 && 5 * aux_div_v_~a12~0_449_31 + 5 * aux_div_aux_mod_v_~a12~0_449_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_449_31 + 5 * aux_div_aux_mod_v_~a12~0_449_31_31) && 5 * aux_div_aux_mod_v_~a12~0_449_31_31 < 5) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_449_31_31))) || ((((!(5 == a15) && a12 <= 11) && !(a15 == 6)) && a24 == 1) && a15 <= 8)) || !(\old(a12) + 49 <= 0)) || (((a12 + 49 <= 0 && !(a15 == 6)) && a15 <= 8) && a21 <= 6)) || ((((8 <= a15 && 81 <= a12) && a24 == 1) && !(a15 == 10)) && 7 == a21)) || !(7 == \old(a21))) || ((5 == a15 && a21 == 6) && a24 == 1)) || ((8 <= a21 && a24 == 1) && a15 <= 8)) || ((((0 < a12 + 43 && a24 == 1) && !(a15 == 6)) && a15 <= 8) && 7 == a21)) || ((((13 <= a12 && !(5 == a15)) && !(a15 == 6)) && a24 == 1) && a15 <= 8)) || (((a12 <= 11 && a24 == 1) && !(a15 == 10)) && 10 <= a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 110.1s, OverallIterations: 13, TraceHistogramMax: 10, AutomataDifference: 86.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 812 SDtfs, 28740 SDslu, 1357 SDs, 0 SdLazy, 37563 SolverSat, 4858 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7001 GetRequests, 6572 SyntacticMatches, 8 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6792 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5587occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 5421 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 489 PreInvPairs, 583 NumberOfFragments, 1274 HoareAnnotationTreeSize, 489 FomulaSimplifications, 606202 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 69655 FormulaSimplificationTreeSizeReductionInter, 12.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 12650 NumberOfCodeBlocks, 12650 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 12626 ConstructedInterpolants, 1 QuantifiedInterpolants, 20478854 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10160 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 27653/28990 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...