/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:39:49,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:39:49,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:39:49,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:39:49,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:39:49,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:39:49,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:39:49,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:39:49,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:39:49,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:39:49,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:39:49,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:39:49,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:39:49,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:39:49,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:39:49,648 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 22:39:49,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:39:49,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:39:49,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:39:49,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:39:49,682 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:39:49,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:39:49,682 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:39:49,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:39:49,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:39:49,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:39:49,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:39:49,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:39:49,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:39:49,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:39:49,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:39:49,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:39:49,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:39:49,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:39:49,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:39:49,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:39:49,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:39:49,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:39:49,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:39:49,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:39:49,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:39:49,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:39:49,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:39:49,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:39:49,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:39:49,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:39:50,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:39:50,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:39:50,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:39:50,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:39:50,196 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:39:50,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-11-06 22:39:50,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd141f8f7/d41c7cfeb0384bcfab3b13c358e8b7ce/FLAG223f333b3 [2020-11-06 22:39:51,320 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:39:51,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-11-06 22:39:51,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd141f8f7/d41c7cfeb0384bcfab3b13c358e8b7ce/FLAG223f333b3 [2020-11-06 22:39:51,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd141f8f7/d41c7cfeb0384bcfab3b13c358e8b7ce [2020-11-06 22:39:51,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:39:51,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:39:51,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:51,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:39:51,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:39:51,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:51" (1/1) ... [2020-11-06 22:39:51,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651cec7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:51, skipping insertion in model container [2020-11-06 22:39:51,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:51" (1/1) ... [2020-11-06 22:39:51,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:39:51,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:39:52,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:52,243 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:39:52,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:52,383 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:39:52,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52 WrapperNode [2020-11-06 22:39:52,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:52,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:39:52,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:39:52,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:39:52,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (1/1) ... [2020-11-06 22:39:52,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:39:52,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:39:52,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:39:52,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:39:52,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (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 22:39:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:39:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:39:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:39:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:39:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:39:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:39:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:39:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:39:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:39:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:39:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:39:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:39:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:39:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:39:54,835 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:39:54,836 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:39:54,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:54 BoogieIcfgContainer [2020-11-06 22:39:54,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:39:54,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:39:54,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:39:54,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:39:54,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:51" (1/3) ... [2020-11-06 22:39:54,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e7663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:54, skipping insertion in model container [2020-11-06 22:39:54,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:52" (2/3) ... [2020-11-06 22:39:54,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e7663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:54, skipping insertion in model container [2020-11-06 22:39:54,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:54" (3/3) ... [2020-11-06 22:39:54,854 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-11-06 22:39:54,877 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:39:54,883 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:39:54,899 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:39:54,939 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:39:54,939 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:39:54,939 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:39:54,939 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:39:54,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:39:54,940 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:39:54,940 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:39:54,940 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:39:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:39:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-06 22:39:54,983 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:54,985 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] [2020-11-06 22:39:54,985 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:54,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1695836620, now seen corresponding path program 1 times [2020-11-06 22:39:55,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:55,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945614364] [2020-11-06 22:39:55,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:55,570 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:39:55,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:55,679 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 22:39:55,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945614364] [2020-11-06 22:39:55,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:55,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:39:55,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407562178] [2020-11-06 22:39:55,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:39:55,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:55,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:39:55,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:39:55,722 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-11-06 22:39:55,941 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:56,953 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-06 22:39:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:59,516 INFO L93 Difference]: Finished difference Result 735 states and 1307 transitions. [2020-11-06 22:39:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:39:59,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-11-06 22:39:59,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:59,557 INFO L225 Difference]: With dead ends: 735 [2020-11-06 22:39:59,558 INFO L226 Difference]: Without dead ends: 448 [2020-11-06 22:39:59,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-06 22:39:59,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-11-06 22:39:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-11-06 22:39:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-11-06 22:39:59,668 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 42 [2020-11-06 22:39:59,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:59,669 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-11-06 22:39:59,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:39:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-11-06 22:39:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-06 22:39:59,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:59,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:59,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:39:59,677 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:59,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:59,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2087357916, now seen corresponding path program 1 times [2020-11-06 22:39:59,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:59,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416318411] [2020-11-06 22:39:59,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:00,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416318411] [2020-11-06 22:40:00,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:40:00,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:40:00,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990641631] [2020-11-06 22:40:00,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:40:00,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:00,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:40:00,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:40:00,155 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 8 states. [2020-11-06 22:40:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:02,544 INFO L93 Difference]: Finished difference Result 1043 states and 1614 transitions. [2020-11-06 22:40:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:40:02,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-11-06 22:40:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:02,552 INFO L225 Difference]: With dead ends: 1043 [2020-11-06 22:40:02,553 INFO L226 Difference]: Without dead ends: 607 [2020-11-06 22:40:02,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:40:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-11-06 22:40:02,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 593. [2020-11-06 22:40:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-11-06 22:40:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 830 transitions. [2020-11-06 22:40:02,618 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 830 transitions. Word has length 115 [2020-11-06 22:40:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:02,619 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 830 transitions. [2020-11-06 22:40:02,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:40:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 830 transitions. [2020-11-06 22:40:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-06 22:40:02,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:02,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:02,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:40:02,623 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:02,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2048344808, now seen corresponding path program 1 times [2020-11-06 22:40:02,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:02,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982028464] [2020-11-06 22:40:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:02,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:03,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982028464] [2020-11-06 22:40:03,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916527936] [2020-11-06 22:40:03,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:40:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:03,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-06 22:40:03,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:03,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:40:03,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:40:03,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:40:03,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:40:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:03,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:40:03,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-11-06 22:40:03,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240546573] [2020-11-06 22:40:03,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:40:03,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:03,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:40:03,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:40:03,803 INFO L87 Difference]: Start difference. First operand 593 states and 830 transitions. Second operand 11 states. [2020-11-06 22:40:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:08,706 INFO L93 Difference]: Finished difference Result 2287 states and 3598 transitions. [2020-11-06 22:40:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-06 22:40:08,707 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-11-06 22:40:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:08,741 INFO L225 Difference]: With dead ends: 2287 [2020-11-06 22:40:08,741 INFO L226 Difference]: Without dead ends: 1700 [2020-11-06 22:40:08,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-11-06 22:40:08,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-11-06 22:40:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1344. [2020-11-06 22:40:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2020-11-06 22:40:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1876 transitions. [2020-11-06 22:40:08,920 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1876 transitions. Word has length 121 [2020-11-06 22:40:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:08,921 INFO L481 AbstractCegarLoop]: Abstraction has 1344 states and 1876 transitions. [2020-11-06 22:40:08,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:40:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1876 transitions. [2020-11-06 22:40:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-06 22:40:08,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:08,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:09,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:40:09,155 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:09,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:09,156 INFO L82 PathProgramCache]: Analyzing trace with hash -513013164, now seen corresponding path program 1 times [2020-11-06 22:40:09,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:09,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366085343] [2020-11-06 22:40:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:09,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:09,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366085343] [2020-11-06 22:40:09,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:40:09,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:40:09,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423368973] [2020-11-06 22:40:09,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:40:09,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:09,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:40:09,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:40:09,543 INFO L87 Difference]: Start difference. First operand 1344 states and 1876 transitions. Second operand 7 states. [2020-11-06 22:40:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:11,853 INFO L93 Difference]: Finished difference Result 3455 states and 4980 transitions. [2020-11-06 22:40:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-06 22:40:11,854 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 178 [2020-11-06 22:40:11,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:11,872 INFO L225 Difference]: With dead ends: 3455 [2020-11-06 22:40:11,872 INFO L226 Difference]: Without dead ends: 2117 [2020-11-06 22:40:11,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:40:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2020-11-06 22:40:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1938. [2020-11-06 22:40:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2020-11-06 22:40:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2571 transitions. [2020-11-06 22:40:12,016 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2571 transitions. Word has length 178 [2020-11-06 22:40:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:12,018 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 2571 transitions. [2020-11-06 22:40:12,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:40:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2571 transitions. [2020-11-06 22:40:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-11-06 22:40:12,027 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:12,028 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:40:12,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:40:12,028 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:12,029 INFO L82 PathProgramCache]: Analyzing trace with hash 744287608, now seen corresponding path program 1 times [2020-11-06 22:40:12,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:12,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899958377] [2020-11-06 22:40:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:12,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:40:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:40:12,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899958377] [2020-11-06 22:40:12,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952249267] [2020-11-06 22:40:12,553 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 22:40:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:12,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:40:12,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:12,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:40:12,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:40:12,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394205909] [2020-11-06 22:40:12,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:40:12,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:12,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:40:12,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:40:12,886 INFO L87 Difference]: Start difference. First operand 1938 states and 2571 transitions. Second operand 10 states. [2020-11-06 22:40:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:17,222 INFO L93 Difference]: Finished difference Result 5514 states and 7656 transitions. [2020-11-06 22:40:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 22:40:17,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 248 [2020-11-06 22:40:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:17,225 INFO L225 Difference]: With dead ends: 5514 [2020-11-06 22:40:17,225 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:40:17,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-11-06 22:40:17,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:40:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:40:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:40:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:40:17,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-11-06 22:40:17,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:17,239 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:40:17,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:40:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:40:17,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:40:17,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:17,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:40:17,578 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 104 [2020-11-06 22:40:18,179 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2020-11-06 22:40:18,763 WARN L194 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2020-11-06 22:40:18,988 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 12 [2020-11-06 22:40:19,150 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2020-11-06 22:40:19,153 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:40:19,154 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:40:19,154 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:40:19,154 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:40:19,155 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:40:19,155 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-11-06 22:40:19,155 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:40:19,155 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:40:19,155 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:40:19,155 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:40:19,156 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,157 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:40:19,158 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,159 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:40:19,160 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:40:19,161 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:40:19,162 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L262 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (and (not (<= 23 |old(~a1~0)|)) (not (<= 2 |old(~a10~0)|)) (= 8 |old(~a19~0)|)) [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,163 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:40:19,164 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:40:19,165 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:40:19,166 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:40:19,167 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:40:19,168 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:40:19,169 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:40:19,170 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:40:19,171 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,172 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) .cse0))) [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:40:19,173 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:40:19,174 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:40:19,175 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:40:19,176 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:40:19,177 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:40:19,178 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:19,179 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:40:19,180 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9)) [2020-11-06 22:40:19,180 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:40:19,180 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:40:19,180 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-11-06 22:40:19,180 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:40:19,180 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= 23 ~a1~0) .cse0) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= |old(~a10~0)| ~a10~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0))) [2020-11-06 22:40:19,180 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:40:19,181 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:40:19,181 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= 23 ~a1~0) .cse0) (and (not (= ~a19~0 8)) .cse0) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= |old(~a10~0)| ~a10~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0))) [2020-11-06 22:40:19,181 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:40:19,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:19 BoogieIcfgContainer [2020-11-06 22:40:19,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:40:19,205 INFO L168 Benchmark]: Toolchain (without parser) took 27721.55 ms. Allocated memory was 159.4 MB in the beginning and 350.2 MB in the end (delta: 190.8 MB). Free memory was 133.0 MB in the beginning and 206.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 170.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:19,206 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 159.4 MB. Free memory was 131.7 MB in the beginning and 131.6 MB in the end (delta: 69.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:40:19,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.21 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 105.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:19,207 INFO L168 Benchmark]: Boogie Preprocessor took 201.18 ms. Allocated memory is still 159.4 MB. Free memory was 105.8 MB in the beginning and 100.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:19,208 INFO L168 Benchmark]: RCFGBuilder took 2252.72 ms. Allocated memory is still 159.4 MB. Free memory was 100.9 MB in the beginning and 85.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:19,209 INFO L168 Benchmark]: TraceAbstraction took 24360.90 ms. Allocated memory was 159.4 MB in the beginning and 350.2 MB in the end (delta: 190.8 MB). Free memory was 84.9 MB in the beginning and 206.7 MB in the end (delta: -121.8 MB). Peak memory consumption was 121.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:19,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 159.4 MB. Free memory was 131.7 MB in the beginning and 131.6 MB in the end (delta: 69.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 889.21 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 105.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 201.18 ms. Allocated memory is still 159.4 MB. Free memory was 105.8 MB in the beginning and 100.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2252.72 ms. Allocated memory is still 159.4 MB. Free memory was 100.9 MB in the beginning and 85.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24360.90 ms. Allocated memory was 159.4 MB in the beginning and 350.2 MB in the end (delta: 190.8 MB). Free memory was 84.9 MB in the beginning and 206.7 MB in the end (delta: -121.8 MB). Peak memory consumption was 121.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((!(23 <= \old(a1)) || (23 <= a1 && a19 <= 9)) || (!(a19 == 8) && a19 <= 9)) || !(9 <= \old(a19))) || (9 <= a19 && \old(a10) <= a10)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 145 SDtfs, 3100 SDslu, 248 SDs, 0 SdLazy, 6736 SolverSat, 1309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 385 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1938occurred 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: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 555 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 133 PreInvPairs, 195 NumberOfFragments, 247 HoareAnnotationTreeSize, 133 FomulaSimplifications, 41058 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3796 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1066 ConstructedInterpolants, 1 QuantifiedInterpolants, 518073 SizeOfPredicates, 3 NumberOfNonLiveVariables, 816 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 346/412 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...