/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:06:07,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:06:07,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:06:07,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:06:07,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:06:07,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:06:07,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:06:07,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:06:07,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:06:07,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:06:07,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:06:07,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:06:07,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:06:07,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:06:07,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:06:07,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:06:07,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:06:07,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:06:07,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:06:07,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:06:07,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:06:07,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:06:07,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:06:07,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:06:07,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:06:07,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:06:07,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:06:07,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:06:07,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:06:07,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:06:07,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:06:07,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:06:07,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:06:07,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:06:07,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:06:07,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:06:07,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:06:07,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:06:07,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:06:07,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:06:07,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:06:07,861 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 [2019-11-06 19:06:07,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:06:07,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:06:07,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:06:07,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:06:07,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:06:07,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:06:07,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:06:07,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:06:07,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:06:07,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:06:07,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:06:07,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:06:07,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:06:07,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:06:07,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:06:07,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:06:07,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:06:07,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:06:07,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:06:07,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:06:07,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:06:07,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:06:07,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:06:07,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:06:08,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:06:08,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:06:08,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:06:08,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:06:08,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:06:08,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2019-11-06 19:06:08,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca914639/186cfe0595c841cba531d38f223c1e92/FLAG58f06698f [2019-11-06 19:06:08,827 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:06:08,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2019-11-06 19:06:08,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca914639/186cfe0595c841cba531d38f223c1e92/FLAG58f06698f [2019-11-06 19:06:09,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca914639/186cfe0595c841cba531d38f223c1e92 [2019-11-06 19:06:09,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:06:09,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:06:09,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:09,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:06:09,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:06:09,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50137009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09, skipping insertion in model container [2019-11-06 19:06:09,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,105 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:06:09,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:06:09,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:09,656 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:06:09,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:09,802 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:06:09,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09 WrapperNode [2019-11-06 19:06:09,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:09,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:06:09,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:06:09,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:06:09,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (1/1) ... [2019-11-06 19:06:09,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:06:09,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:06:09,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:06:09,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:06:09,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (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 [2019-11-06 19:06:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:06:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:06:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:06:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:06:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:06:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:06:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:06:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:06:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:06:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:06:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:06:11,193 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:06:11,193 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:06:11,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:11 BoogieIcfgContainer [2019-11-06 19:06:11,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:06:11,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:06:11,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:06:11,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:06:11,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:06:09" (1/3) ... [2019-11-06 19:06:11,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed8ec00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:11, skipping insertion in model container [2019-11-06 19:06:11,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:09" (2/3) ... [2019-11-06 19:06:11,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed8ec00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:11, skipping insertion in model container [2019-11-06 19:06:11,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:11" (3/3) ... [2019-11-06 19:06:11,203 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2019-11-06 19:06:11,213 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:06:11,222 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:06:11,233 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:06:11,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:06:11,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:06:11,270 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:06:11,270 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:06:11,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:06:11,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:06:11,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:06:11,272 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:06:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:06:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-06 19:06:11,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:11,321 INFO L410 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] [2019-11-06 19:06:11,324 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:11,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:11,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2019-11-06 19:06:11,344 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:11,345 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453328396] [2019-11-06 19:06:11,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:11,792 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453328396] [2019-11-06 19:06:11,792 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:11,793 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:06:11,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544623674] [2019-11-06 19:06:11,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:06:11,800 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:11,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:06:11,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:06:11,817 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:06:13,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:13,659 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2019-11-06 19:06:13,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:06:13,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-11-06 19:06:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:13,679 INFO L225 Difference]: With dead ends: 745 [2019-11-06 19:06:13,679 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:06:13,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:06:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-11-06 19:06:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-06 19:06:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2019-11-06 19:06:13,836 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 60 [2019-11-06 19:06:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:13,837 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2019-11-06 19:06:13,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:06:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2019-11-06 19:06:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-06 19:06:13,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:13,858 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 19:06:13,858 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:13,859 INFO L82 PathProgramCache]: Analyzing trace with hash 597106810, now seen corresponding path program 1 times [2019-11-06 19:06:13,859 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:13,859 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038761285] [2019-11-06 19:06:13,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:14,237 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038761285] [2019-11-06 19:06:14,237 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:14,239 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:06:14,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294495837] [2019-11-06 19:06:14,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:14,246 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:14,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:14,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:14,246 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 9 states. [2019-11-06 19:06:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:16,351 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2019-11-06 19:06:16,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 19:06:16,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2019-11-06 19:06:16,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:16,365 INFO L225 Difference]: With dead ends: 1782 [2019-11-06 19:06:16,365 INFO L226 Difference]: Without dead ends: 1345 [2019-11-06 19:06:16,368 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-06 19:06:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2019-11-06 19:06:16,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2019-11-06 19:06:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-11-06 19:06:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1665 transitions. [2019-11-06 19:06:16,439 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1665 transitions. Word has length 134 [2019-11-06 19:06:16,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:16,440 INFO L462 AbstractCegarLoop]: Abstraction has 1184 states and 1665 transitions. [2019-11-06 19:06:16,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1665 transitions. [2019-11-06 19:06:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 19:06:16,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:16,444 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 19:06:16,444 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:16,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:16,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1984546499, now seen corresponding path program 1 times [2019-11-06 19:06:16,445 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:16,445 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22821209] [2019-11-06 19:06:16,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:16,655 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22821209] [2019-11-06 19:06:16,656 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134485003] [2019-11-06 19:06:16,656 INFO L94 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 [2019-11-06 19:06:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:16,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:16,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:16,881 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:16,881 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:06:16,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85856657] [2019-11-06 19:06:16,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:16,890 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:16,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:16,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:16,891 INFO L87 Difference]: Start difference. First operand 1184 states and 1665 transitions. Second operand 3 states. [2019-11-06 19:06:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:17,501 INFO L93 Difference]: Finished difference Result 2801 states and 4018 transitions. [2019-11-06 19:06:17,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:17,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-06 19:06:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:17,525 INFO L225 Difference]: With dead ends: 2801 [2019-11-06 19:06:17,526 INFO L226 Difference]: Without dead ends: 1623 [2019-11-06 19:06:17,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2019-11-06 19:06:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1623. [2019-11-06 19:06:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2019-11-06 19:06:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2270 transitions. [2019-11-06 19:06:17,627 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2270 transitions. Word has length 139 [2019-11-06 19:06:17,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:17,629 INFO L462 AbstractCegarLoop]: Abstraction has 1623 states and 2270 transitions. [2019-11-06 19:06:17,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2270 transitions. [2019-11-06 19:06:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 19:06:17,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:17,633 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 19:06:17,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:17,837 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2019-11-06 19:06:17,838 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:17,838 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44759203] [2019-11-06 19:06:17,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:18,188 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44759203] [2019-11-06 19:06:18,188 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:18,188 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:06:18,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429822183] [2019-11-06 19:06:18,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:18,190 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:18,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:18,191 INFO L87 Difference]: Start difference. First operand 1623 states and 2270 transitions. Second operand 9 states. [2019-11-06 19:06:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:19,780 INFO L93 Difference]: Finished difference Result 3880 states and 5655 transitions. [2019-11-06 19:06:19,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:06:19,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-11-06 19:06:19,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:19,797 INFO L225 Difference]: With dead ends: 3880 [2019-11-06 19:06:19,797 INFO L226 Difference]: Without dead ends: 2263 [2019-11-06 19:06:19,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:06:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2019-11-06 19:06:19,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1645. [2019-11-06 19:06:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2019-11-06 19:06:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2119 transitions. [2019-11-06 19:06:19,873 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2119 transitions. Word has length 155 [2019-11-06 19:06:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:19,873 INFO L462 AbstractCegarLoop]: Abstraction has 1645 states and 2119 transitions. [2019-11-06 19:06:19,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2119 transitions. [2019-11-06 19:06:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-06 19:06:19,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:19,879 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:19,879 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:19,879 INFO L82 PathProgramCache]: Analyzing trace with hash 351260790, now seen corresponding path program 1 times [2019-11-06 19:06:19,879 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:19,880 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507511553] [2019-11-06 19:06:19,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-06 19:06:20,118 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507511553] [2019-11-06 19:06:20,118 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522180730] [2019-11-06 19:06:20,119 INFO L94 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 [2019-11-06 19:06:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:20,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-06 19:06:20,296 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:20,296 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:06:20,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056550014] [2019-11-06 19:06:20,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:20,298 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:20,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:20,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:20,299 INFO L87 Difference]: Start difference. First operand 1645 states and 2119 transitions. Second operand 3 states. [2019-11-06 19:06:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:20,844 INFO L93 Difference]: Finished difference Result 3582 states and 4671 transitions. [2019-11-06 19:06:20,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:20,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-11-06 19:06:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:20,856 INFO L225 Difference]: With dead ends: 3582 [2019-11-06 19:06:20,856 INFO L226 Difference]: Without dead ends: 1943 [2019-11-06 19:06:20,860 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2019-11-06 19:06:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1939. [2019-11-06 19:06:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2019-11-06 19:06:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2509 transitions. [2019-11-06 19:06:20,917 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2509 transitions. Word has length 227 [2019-11-06 19:06:20,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:20,917 INFO L462 AbstractCegarLoop]: Abstraction has 1939 states and 2509 transitions. [2019-11-06 19:06:20,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2509 transitions. [2019-11-06 19:06:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-06 19:06:20,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:20,924 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:21,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:21,128 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash -892667729, now seen corresponding path program 1 times [2019-11-06 19:06:21,129 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:21,129 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372092699] [2019-11-06 19:06:21,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:06:21,504 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372092699] [2019-11-06 19:06:21,505 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778366830] [2019-11-06 19:06:21,505 INFO L94 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 [2019-11-06 19:06:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:21,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:21,786 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:21,786 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:06:21,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826588061] [2019-11-06 19:06:21,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:06:21,788 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:21,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:06:21,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:06:21,788 INFO L87 Difference]: Start difference. First operand 1939 states and 2509 transitions. Second operand 11 states. [2019-11-06 19:06:24,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:24,148 INFO L93 Difference]: Finished difference Result 3904 states and 5071 transitions. [2019-11-06 19:06:24,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 19:06:24,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 238 [2019-11-06 19:06:24,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:24,159 INFO L225 Difference]: With dead ends: 3904 [2019-11-06 19:06:24,159 INFO L226 Difference]: Without dead ends: 1971 [2019-11-06 19:06:24,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-11-06 19:06:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2019-11-06 19:06:24,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1945. [2019-11-06 19:06:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2019-11-06 19:06:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2425 transitions. [2019-11-06 19:06:24,218 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2425 transitions. Word has length 238 [2019-11-06 19:06:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:24,219 INFO L462 AbstractCegarLoop]: Abstraction has 1945 states and 2425 transitions. [2019-11-06 19:06:24,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:06:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2425 transitions. [2019-11-06 19:06:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-06 19:06:24,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:24,226 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:24,437 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:24,438 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:24,438 INFO L82 PathProgramCache]: Analyzing trace with hash 532248355, now seen corresponding path program 1 times [2019-11-06 19:06:24,439 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:24,439 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198844276] [2019-11-06 19:06:24,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-06 19:06:24,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198844276] [2019-11-06 19:06:24,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628170364] [2019-11-06 19:06:24,735 INFO L94 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 [2019-11-06 19:06:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:24,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:24,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-06 19:06:24,891 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:24,891 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 19:06:24,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704068908] [2019-11-06 19:06:24,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:24,894 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:24,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:24,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:24,896 INFO L87 Difference]: Start difference. First operand 1945 states and 2425 transitions. Second operand 3 states. [2019-11-06 19:06:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:25,657 INFO L93 Difference]: Finished difference Result 3099 states and 3909 transitions. [2019-11-06 19:06:25,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:25,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2019-11-06 19:06:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:25,671 INFO L225 Difference]: With dead ends: 3099 [2019-11-06 19:06:25,671 INFO L226 Difference]: Without dead ends: 3097 [2019-11-06 19:06:25,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:25,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2019-11-06 19:06:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2235. [2019-11-06 19:06:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2019-11-06 19:06:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2831 transitions. [2019-11-06 19:06:25,736 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2831 transitions. Word has length 248 [2019-11-06 19:06:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:25,737 INFO L462 AbstractCegarLoop]: Abstraction has 2235 states and 2831 transitions. [2019-11-06 19:06:25,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2831 transitions. [2019-11-06 19:06:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-06 19:06:25,745 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:25,745 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:25,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:25,958 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:25,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:25,958 INFO L82 PathProgramCache]: Analyzing trace with hash 120161731, now seen corresponding path program 1 times [2019-11-06 19:06:25,958 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:25,959 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133625963] [2019-11-06 19:06:25,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:06:26,285 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133625963] [2019-11-06 19:06:26,286 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132967092] [2019-11-06 19:06:26,286 INFO L94 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 [2019-11-06 19:06:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:26,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:26,503 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:26,504 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 13 [2019-11-06 19:06:26,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504129042] [2019-11-06 19:06:26,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 19:06:26,505 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:26,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 19:06:26,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-11-06 19:06:26,506 INFO L87 Difference]: Start difference. First operand 2235 states and 2831 transitions. Second operand 13 states. [2019-11-06 19:06:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:30,228 INFO L93 Difference]: Finished difference Result 6480 states and 8184 transitions. [2019-11-06 19:06:30,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-06 19:06:30,229 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 280 [2019-11-06 19:06:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:30,241 INFO L225 Difference]: With dead ends: 6480 [2019-11-06 19:06:30,241 INFO L226 Difference]: Without dead ends: 2648 [2019-11-06 19:06:30,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2019-11-06 19:06:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2019-11-06 19:06:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2213. [2019-11-06 19:06:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-11-06 19:06:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2558 transitions. [2019-11-06 19:06:30,307 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2558 transitions. Word has length 280 [2019-11-06 19:06:30,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:30,308 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2558 transitions. [2019-11-06 19:06:30,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 19:06:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2558 transitions. [2019-11-06 19:06:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-06 19:06:30,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:30,317 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-11-06 19:06:30,521 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:30,522 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:30,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:30,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1088611893, now seen corresponding path program 1 times [2019-11-06 19:06:30,522 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:30,523 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467586686] [2019-11-06 19:06:30,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-06 19:06:30,809 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467586686] [2019-11-06 19:06:30,810 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835732884] [2019-11-06 19:06:30,810 INFO L94 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 [2019-11-06 19:06:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:30,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:30,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-06 19:06:31,120 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:31,120 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:06:31,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566634450] [2019-11-06 19:06:31,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:31,121 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:31,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:31,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:31,122 INFO L87 Difference]: Start difference. First operand 2213 states and 2558 transitions. Second operand 3 states. [2019-11-06 19:06:31,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:31,563 INFO L93 Difference]: Finished difference Result 2213 states and 2558 transitions. [2019-11-06 19:06:31,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:31,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2019-11-06 19:06:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:31,568 INFO L225 Difference]: With dead ends: 2213 [2019-11-06 19:06:31,569 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:06:31,575 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:06:31,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:06:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:06:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:06:31,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2019-11-06 19:06:31,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:31,577 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:06:31,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:06:31,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:06:31,784 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:31,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:06:32,459 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 118 [2019-11-06 19:06:32,598 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 118 [2019-11-06 19:06:33,270 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 40 [2019-11-06 19:06:33,626 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 38 [2019-11-06 19:06:33,985 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 38 [2019-11-06 19:06:33,988 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:33,988 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-11-06 19:06:33,988 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:33,988 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:06:33,988 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:06:33,989 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:06:33,990 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:06:33,991 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:06:33,992 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:06:33,993 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,994 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:06:33,995 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,996 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:06:33,997 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,998 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:06:33,999 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,000 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:06:34,001 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,002 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:06:34,003 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse0 (= ~a10~0 |old(~a10~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse1 .cse0 .cse2)) (.cse3 (not (<= |old(~a19~0)| 9)))) (and (or (= 8 |old(~a19~0)|) (and (and .cse0 .cse1) .cse2) (or (not (<= |old(~a1~0)| 38)) .cse3)) (or (= 3 |old(~a10~0)|) .cse4 .cse3 (not (<= 8 |old(~a19~0)|))) (or .cse4 (not (= 9 |old(~a19~0)|))) (or .cse4 (not (<= |old(~a10~0)| 1))) (or .cse4 (or .cse3 (not (<= |old(~a10~0)| 2))))))) [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:06:34,004 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:06:34,005 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:06:34,006 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,007 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:06:34,008 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:06:34,009 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:34,009 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-11-06 19:06:34,009 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:06:34,009 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:34,009 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:34,009 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:34,009 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (<= 8 ~a19~0)) (= ~a19~0 |old(~a19~0)|) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a10~0 2)) (not (<= |old(~a10~0)| 0)) (and (and (<= ~a1~0 38) (<= ~a19~0 9)) (not (= ~a19~0 8))) (not (<= 9 |old(~a19~0)|)))) [2019-11-06 19:06:34,009 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:06:34,009 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:06:34,010 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (<= 8 ~a19~0)) (= ~a19~0 |old(~a19~0)|) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a10~0 2)) (not (<= |old(~a10~0)| 0)) (and (and (<= ~a1~0 38) (<= ~a19~0 9)) (not (= ~a19~0 8))) (not (<= 9 |old(~a19~0)|)))) [2019-11-06 19:06:34,010 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:34,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:06:34 BoogieIcfgContainer [2019-11-06 19:06:34,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:06:34,028 INFO L168 Benchmark]: Toolchain (without parser) took 24939.37 ms. Allocated memory was 138.9 MB in the beginning and 553.1 MB in the end (delta: 414.2 MB). Free memory was 100.7 MB in the beginning and 219.3 MB in the end (delta: -118.6 MB). Peak memory consumption was 431.4 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:34,029 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-06 19:06:34,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.92 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 164.9 MB in the end (delta: -64.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:34,031 INFO L168 Benchmark]: Boogie Preprocessor took 108.19 ms. Allocated memory is still 203.9 MB. Free memory was 164.9 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:34,032 INFO L168 Benchmark]: RCFGBuilder took 1283.11 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 159.9 MB in the beginning and 175.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:34,033 INFO L168 Benchmark]: TraceAbstraction took 22831.03 ms. Allocated memory was 238.0 MB in the beginning and 553.1 MB in the end (delta: 315.1 MB). Free memory was 175.8 MB in the beginning and 219.3 MB in the end (delta: -43.4 MB). Peak memory consumption was 407.5 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:34,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.92 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 164.9 MB in the end (delta: -64.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.19 ms. Allocated memory is still 203.9 MB. Free memory was 164.9 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1283.11 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 159.9 MB in the beginning and 175.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22831.03 ms. Allocated memory was 238.0 MB in the beginning and 553.1 MB in the end (delta: 315.1 MB). Free memory was 175.8 MB in the beginning and 219.3 MB in the end (delta: -43.4 MB). Peak memory consumption was 407.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 1 || ((!(a10 == 3) && a19 <= 8) && 8 <= a19)) || a19 == \old(a19)) || !(\old(a19) <= 9)) || !(\old(a1) <= 23)) || (a19 <= 8 && a10 <= 2)) || !(\old(a10) <= 0)) || ((a1 <= 38 && a19 <= 9) && !(a19 == 8))) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 22.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 295 SDtfs, 4738 SDslu, 297 SDs, 0 SdLazy, 8488 SolverSat, 2093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1496 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2235occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2110 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 94 PreInvPairs, 146 NumberOfFragments, 275 HoareAnnotationTreeSize, 94 FomulaSimplifications, 36681 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6318 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3245 NumberOfCodeBlocks, 3245 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3230 ConstructedInterpolants, 0 QuantifiedInterpolants, 1710544 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2453 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 2110/2128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...