/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:38:00,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:38:00,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:38:00,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:38:00,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:38:00,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:38:00,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:38:00,141 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 22:38:00,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:38:00,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:38:00,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:38:00,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:38:00,172 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:38:00,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:38:00,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:38:00,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:38:00,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:38:00,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:38:00,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:38:00,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:38:00,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:38:00,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:38:00,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:38:00,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:38:00,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:38:00,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:38:00,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:38:00,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:38:00,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:38:00,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:38:00,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:38:00,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:38:00,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:38:00,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:38:00,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:38:00,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:38:00,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:38:00,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:38:00,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:38:00,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:38:00,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:38:00,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:38:00,627 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:38:00,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-11-06 22:38:00,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55895d90/65ee2e3f2ec44a4da21f80a2a252bcd9/FLAG72d852fd8 [2020-11-06 22:38:01,474 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:38:01,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-11-06 22:38:01,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55895d90/65ee2e3f2ec44a4da21f80a2a252bcd9/FLAG72d852fd8 [2020-11-06 22:38:01,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55895d90/65ee2e3f2ec44a4da21f80a2a252bcd9 [2020-11-06 22:38:01,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:38:01,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:38:01,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:01,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:38:01,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:38:01,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a38660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:01, skipping insertion in model container [2020-11-06 22:38:01,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:01" (1/1) ... [2020-11-06 22:38:01,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:38:01,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:38:02,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:02,285 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:38:02,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:02,479 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:38:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02 WrapperNode [2020-11-06 22:38:02,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:02,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:38:02,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:38:02,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:38:02,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (1/1) ... [2020-11-06 22:38:02,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:38:02,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:38:02,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:38:02,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:38:02,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (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 22:38:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:38:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:38:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:38:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:38:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:38:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:38:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:38:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:38:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:38:03,765 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:38:03,766 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:38:03,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:03 BoogieIcfgContainer [2020-11-06 22:38:03,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:38:03,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:38:03,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:38:03,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:38:03,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:01" (1/3) ... [2020-11-06 22:38:03,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c033de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:03, skipping insertion in model container [2020-11-06 22:38:03,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:02" (2/3) ... [2020-11-06 22:38:03,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c033de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:03, skipping insertion in model container [2020-11-06 22:38:03,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:03" (3/3) ... [2020-11-06 22:38:03,777 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-11-06 22:38:03,794 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:38:03,798 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:38:03,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:38:03,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:38:03,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:38:03,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:38:03,842 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:38:03,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:38:03,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:38:03,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:38:03,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:38:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:38:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-06 22:38:03,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:03,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:03,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:03,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:03,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1346906187, now seen corresponding path program 1 times [2020-11-06 22:38:03,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:03,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865875104] [2020-11-06 22:38:03,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:04,618 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 22:38:04,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865875104] [2020-11-06 22:38:04,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:04,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:38:04,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173326140] [2020-11-06 22:38:04,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:38:04,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:04,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:38:04,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:38:04,652 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-11-06 22:38:04,815 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:38:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:07,667 INFO L93 Difference]: Finished difference Result 789 states and 1384 transitions. [2020-11-06 22:38:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:38:07,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-11-06 22:38:07,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:07,689 INFO L225 Difference]: With dead ends: 789 [2020-11-06 22:38:07,689 INFO L226 Difference]: Without dead ends: 481 [2020-11-06 22:38:07,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:38:07,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-11-06 22:38:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 474. [2020-11-06 22:38:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-11-06 22:38:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 641 transitions. [2020-11-06 22:38:07,810 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 641 transitions. Word has length 145 [2020-11-06 22:38:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:07,812 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 641 transitions. [2020-11-06 22:38:07,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:38:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 641 transitions. [2020-11-06 22:38:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-06 22:38:07,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:07,830 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:07,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:38:07,831 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:07,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1392909118, now seen corresponding path program 1 times [2020-11-06 22:38:07,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:07,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944690747] [2020-11-06 22:38:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:08,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:08,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:38:08,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944690747] [2020-11-06 22:38:08,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995749239] [2020-11-06 22:38:08,308 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 22:38:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:08,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:38:08,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:38:08,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:08,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-11-06 22:38:08,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200799211] [2020-11-06 22:38:08,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:38:08,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:08,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:38:08,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:08,604 INFO L87 Difference]: Start difference. First operand 474 states and 641 transitions. Second operand 3 states. [2020-11-06 22:38:09,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:09,455 INFO L93 Difference]: Finished difference Result 1382 states and 1907 transitions. [2020-11-06 22:38:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:38:09,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-11-06 22:38:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:09,469 INFO L225 Difference]: With dead ends: 1382 [2020-11-06 22:38:09,470 INFO L226 Difference]: Without dead ends: 914 [2020-11-06 22:38:09,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-11-06 22:38:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2020-11-06 22:38:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-11-06 22:38:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1206 transitions. [2020-11-06 22:38:09,558 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1206 transitions. Word has length 162 [2020-11-06 22:38:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:09,559 INFO L481 AbstractCegarLoop]: Abstraction has 914 states and 1206 transitions. [2020-11-06 22:38:09,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:38:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1206 transitions. [2020-11-06 22:38:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-06 22:38:09,564 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:09,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:09,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:38:09,777 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:09,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1497981740, now seen corresponding path program 1 times [2020-11-06 22:38:09,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:09,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724444277] [2020-11-06 22:38:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:38:10,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724444277] [2020-11-06 22:38:10,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873810815] [2020-11-06 22:38:10,207 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 22:38:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:10,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:38:10,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 22:38:10,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:10,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2020-11-06 22:38:10,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395753455] [2020-11-06 22:38:10,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:38:10,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:10,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:38:10,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:38:10,724 INFO L87 Difference]: Start difference. First operand 914 states and 1206 transitions. Second operand 5 states. [2020-11-06 22:38:12,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:12,005 INFO L93 Difference]: Finished difference Result 2760 states and 3820 transitions. [2020-11-06 22:38:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:38:12,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-11-06 22:38:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:12,025 INFO L225 Difference]: With dead ends: 2760 [2020-11-06 22:38:12,025 INFO L226 Difference]: Without dead ends: 1852 [2020-11-06 22:38:12,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:38:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2020-11-06 22:38:12,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1824. [2020-11-06 22:38:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1824 states. [2020-11-06 22:38:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2408 transitions. [2020-11-06 22:38:12,163 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2408 transitions. Word has length 187 [2020-11-06 22:38:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:12,164 INFO L481 AbstractCegarLoop]: Abstraction has 1824 states and 2408 transitions. [2020-11-06 22:38:12,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:38:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2408 transitions. [2020-11-06 22:38:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-06 22:38:12,174 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:12,174 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:12,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:12,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:12,389 INFO L82 PathProgramCache]: Analyzing trace with hash -624481952, now seen corresponding path program 1 times [2020-11-06 22:38:12,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:12,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504786144] [2020-11-06 22:38:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-06 22:38:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:38:12,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504786144] [2020-11-06 22:38:12,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256816854] [2020-11-06 22:38:12,824 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 22:38:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:12,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:12,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:38:13,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:13,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-11-06 22:38:13,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349551543] [2020-11-06 22:38:13,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:38:13,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:13,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:38:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:38:13,148 INFO L87 Difference]: Start difference. First operand 1824 states and 2408 transitions. Second operand 12 states. [2020-11-06 22:38:13,331 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:38:13,627 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:38:14,189 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-06 22:38:15,968 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-06 22:38:16,203 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-11-06 22:38:17,275 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-06 22:38:18,878 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:38:20,326 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-06 22:38:22,065 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:38:22,614 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-11-06 22:38:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:23,005 INFO L93 Difference]: Finished difference Result 7580 states and 10454 transitions. [2020-11-06 22:38:23,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-11-06 22:38:23,006 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2020-11-06 22:38:23,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:23,041 INFO L225 Difference]: With dead ends: 7580 [2020-11-06 22:38:23,041 INFO L226 Difference]: Without dead ends: 5762 [2020-11-06 22:38:23,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=625, Invalid=3407, Unknown=0, NotChecked=0, Total=4032 [2020-11-06 22:38:23,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5762 states. [2020-11-06 22:38:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5762 to 5726. [2020-11-06 22:38:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5726 states. [2020-11-06 22:38:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 6957 transitions. [2020-11-06 22:38:23,289 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 6957 transitions. Word has length 195 [2020-11-06 22:38:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:23,290 INFO L481 AbstractCegarLoop]: Abstraction has 5726 states and 6957 transitions. [2020-11-06 22:38:23,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:38:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 6957 transitions. [2020-11-06 22:38:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-06 22:38:23,310 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:23,311 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:23,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:23,526 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:23,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:23,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1511108947, now seen corresponding path program 1 times [2020-11-06 22:38:23,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:23,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046578158] [2020-11-06 22:38:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:38:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:38:23,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046578158] [2020-11-06 22:38:23,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262568180] [2020-11-06 22:38:23,948 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 22:38:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:24,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:24,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:38:24,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:38:24,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:38:24,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881475250] [2020-11-06 22:38:24,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:38:24,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:24,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:38:24,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:38:24,218 INFO L87 Difference]: Start difference. First operand 5726 states and 6957 transitions. Second operand 3 states. [2020-11-06 22:38:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:25,031 INFO L93 Difference]: Finished difference Result 12314 states and 15051 transitions. [2020-11-06 22:38:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:38:25,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-06 22:38:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:25,063 INFO L225 Difference]: With dead ends: 12314 [2020-11-06 22:38:25,063 INFO L226 Difference]: Without dead ends: 5112 [2020-11-06 22:38:25,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:38:25,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2020-11-06 22:38:25,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 5112. [2020-11-06 22:38:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5112 states. [2020-11-06 22:38:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 6057 transitions. [2020-11-06 22:38:25,309 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 6057 transitions. Word has length 230 [2020-11-06 22:38:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:25,310 INFO L481 AbstractCegarLoop]: Abstraction has 5112 states and 6057 transitions. [2020-11-06 22:38:25,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:38:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 6057 transitions. [2020-11-06 22:38:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-06 22:38:25,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:25,329 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:25,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:25,543 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:25,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:25,544 INFO L82 PathProgramCache]: Analyzing trace with hash -635963182, now seen corresponding path program 1 times [2020-11-06 22:38:25,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:25,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436163502] [2020-11-06 22:38:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:38:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 22:38:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-11-06 22:38:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-06 22:38:25,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436163502] [2020-11-06 22:38:25,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492302473] [2020-11-06 22:38:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:26,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:26,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-06 22:38:26,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:26,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:38:26,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522832999] [2020-11-06 22:38:26,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:38:26,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:26,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:38:26,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:26,218 INFO L87 Difference]: Start difference. First operand 5112 states and 6057 transitions. Second operand 10 states. [2020-11-06 22:38:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:28,311 INFO L93 Difference]: Finished difference Result 10976 states and 13000 transitions. [2020-11-06 22:38:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:38:28,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-11-06 22:38:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:28,345 INFO L225 Difference]: With dead ends: 10976 [2020-11-06 22:38:28,345 INFO L226 Difference]: Without dead ends: 5870 [2020-11-06 22:38:28,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:38:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5870 states. [2020-11-06 22:38:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5870 to 5428. [2020-11-06 22:38:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5428 states. [2020-11-06 22:38:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 5428 states and 6208 transitions. [2020-11-06 22:38:28,531 INFO L78 Accepts]: Start accepts. Automaton has 5428 states and 6208 transitions. Word has length 236 [2020-11-06 22:38:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:28,531 INFO L481 AbstractCegarLoop]: Abstraction has 5428 states and 6208 transitions. [2020-11-06 22:38:28,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5428 states and 6208 transitions. [2020-11-06 22:38:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-06 22:38:28,549 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:28,549 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:28,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-06 22:38:28,764 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1296282470, now seen corresponding path program 1 times [2020-11-06 22:38:28,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:28,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737810085] [2020-11-06 22:38:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:28,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:38:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 22:38:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:29,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-11-06 22:38:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 99 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-06 22:38:29,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737810085] [2020-11-06 22:38:29,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885354603] [2020-11-06 22:38:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:29,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:38:29,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-06 22:38:29,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:29,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:38:29,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447153721] [2020-11-06 22:38:29,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:38:29,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:29,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:38:29,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:38:29,383 INFO L87 Difference]: Start difference. First operand 5428 states and 6208 transitions. Second operand 10 states. [2020-11-06 22:38:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:35,598 INFO L93 Difference]: Finished difference Result 10473 states and 12083 transitions. [2020-11-06 22:38:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:38:35,599 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-11-06 22:38:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:35,600 INFO L225 Difference]: With dead ends: 10473 [2020-11-06 22:38:35,600 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:38:35,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=265, Invalid=1067, Unknown=0, NotChecked=0, Total=1332 [2020-11-06 22:38:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:38:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:38:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:38:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:38:35,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-11-06 22:38:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:35,624 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:38:35,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:38:35,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:38:35,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:35,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:38:36,714 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 146 [2020-11-06 22:38:36,855 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 146 [2020-11-06 22:38:37,080 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 31 [2020-11-06 22:38:38,797 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-11-06 22:38:38,967 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-11-06 22:38:39,617 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-11-06 22:38:40,252 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-11-06 22:38:40,625 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 42 [2020-11-06 22:38:40,630 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:38:40,630 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:38:40,630 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:38:40,630 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:38:40,631 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:40,631 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:38:40,631 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:38:40,632 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,633 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:38:40,634 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,635 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:38:40,636 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,637 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:38:40,638 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,639 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:38:40,640 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:38:40,641 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:38:40,642 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,643 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:38:40,644 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,645 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:38:40,646 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:38:40,647 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:38:40,648 INFO L262 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a17~0)| 8))) (.cse4 (not (<= |old(~a11~0)| 0))) (.cse5 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (<= |old(~a28~0)| 10))) (.cse0 (= |old(~a25~0)| 1)) (.cse3 (not (<= |old(~a19~0)| 0)))) (and (or (not .cse0) .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse2 .cse1 .cse4 .cse5) (or .cse8 .cse1 .cse7) (or .cse1 .cse6) (or .cse0 .cse6 .cse7) (or .cse8 (= 9 |old(~a28~0)|) .cse3) (or .cse8 .cse0 .cse3))) [2020-11-06 22:38:40,648 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:38:40,648 INFO L266 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-11-06 22:38:40,648 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:38:40,648 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a25~0 ~a11~0)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse17 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a19~0 1)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (not (<= |old(~a28~0)| 10))) (.cse5 (and .cse9 .cse11 .cse17 .cse12 .cse13)) (.cse1 (and .cse9 .cse11 .cse17 .cse13 .cse18)) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (<= |old(~a17~0)| 8))) (.cse16 (and .cse9 .cse10 .cse11 .cse13 .cse18)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse15 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (= |old(~a25~0)| 1)) (.cse4 (not (= |old(~a19~0)| 1)))) (and (or .cse0 .cse1 (= 9 |old(~a28~0)|) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse8 .cse4 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse14 .cse15) (or .cse1 .cse3 .cse7 .cse6) (or .cse7 .cse16 .cse6 .cse15) (or .cse8 .cse16 .cse2 .cse14 .cse15) (or (not .cse3) .cse4 (and .cse9 .cse11 .cse17 .cse12 (= ~a25~0 1)))))) [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,649 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:38:40,650 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,651 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:38:40,652 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,653 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-11-06 22:38:40,654 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:38:40,654 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:40,654 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1))) (let ((.cse2 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 8)) (.cse7 (<= ~a17~0 7)) (.cse4 (not .cse1)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse0 .cse7) (and .cse5 .cse8 .cse2 .cse9) (and (not (= ~a28~0 9)) .cse2 .cse3) (and .cse5 .cse8 .cse0 .cse9 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-11-06 22:38:40,655 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:38:40,655 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:40,655 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:40,655 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1))) (let ((.cse2 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 8)) (.cse7 (<= ~a17~0 7)) (.cse4 (not .cse1)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse0 .cse7) (and .cse5 .cse8 .cse2 .cse9) (and (not (= ~a28~0 9)) .cse2 .cse3) (and .cse5 .cse8 .cse0 .cse9 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-11-06 22:38:40,655 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:38:40,655 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:38:40,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:40 BoogieIcfgContainer [2020-11-06 22:38:40,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:38:40,688 INFO L168 Benchmark]: Toolchain (without parser) took 38960.97 ms. Allocated memory was 157.3 MB in the beginning and 625.0 MB in the end (delta: 467.7 MB). Free memory was 132.0 MB in the beginning and 492.0 MB in the end (delta: -360.0 MB). Peak memory consumption was 385.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:40,689 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:38:40,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.3 MB in the beginning and 135.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:40,693 INFO L168 Benchmark]: Boogie Preprocessor took 133.57 ms. Allocated memory is still 157.3 MB. Free memory was 135.5 MB in the beginning and 130.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:40,694 INFO L168 Benchmark]: RCFGBuilder took 1151.89 ms. Allocated memory is still 157.3 MB. Free memory was 130.9 MB in the beginning and 69.3 MB in the end (delta: 61.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:40,694 INFO L168 Benchmark]: TraceAbstraction took 36915.86 ms. Allocated memory was 157.3 MB in the beginning and 625.0 MB in the end (delta: 467.7 MB). Free memory was 68.8 MB in the beginning and 492.0 MB in the end (delta: -423.2 MB). Peak memory consumption was 321.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:40,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 745.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.3 MB in the beginning and 135.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.57 ms. Allocated memory is still 157.3 MB. Free memory was 135.5 MB in the beginning and 130.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1151.89 ms. Allocated memory is still 157.3 MB. Free memory was 130.9 MB in the beginning and 69.3 MB in the end (delta: 61.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36915.86 ms. Allocated memory was 157.3 MB in the beginning and 625.0 MB in the end (delta: 467.7 MB). Free memory was 68.8 MB in the beginning and 492.0 MB in the end (delta: -423.2 MB). Peak memory consumption was 321.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a19) == 1) || (a19 == 1 && a25 == 1)) || ((a19 <= 0 && a28 <= 10) && !(a25 == 1))) || ((a25 == a11 && 9 <= a28) && a17 <= 7)) || (a19 == 1 && a17 <= 7)) || (((a25 == a11 && a11 <= 0) && a19 <= 0) && a17 <= 8)) || ((!(a28 == 9) && a19 <= 0) && a28 <= 10)) || ((((a25 == a11 && a11 <= 0) && a19 == 1) && a17 <= 8) && a28 <= 7)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((9 <= a28 && a17 <= 7) && !(a25 == 1))) || !(\old(a11) <= 0)) || ((9 <= a28 && a19 == 1) && a28 <= 10)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.0s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 24.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 609 SDtfs, 5235 SDslu, 563 SDs, 0 SdLazy, 9828 SolverSat, 1935 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1487 GetRequests, 1346 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5726occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 513 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 389 PreInvPairs, 505 NumberOfFragments, 753 HoareAnnotationTreeSize, 389 FomulaSimplifications, 11943 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9419 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2645 NumberOfCodeBlocks, 2645 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2632 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140206 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3400 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 1038/1156 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...