/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:34:26,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:34:26,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:34:26,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:34:26,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:34:26,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:34:26,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:34:26,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:34:26,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:34:26,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:34:26,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:34:26,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:34:26,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:34:26,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:34:26,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:34:26,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:34:26,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:34:26,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:34:26,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:34:26,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:34:26,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:34:26,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:34:26,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:34:26,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:34:26,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:34:26,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:34:26,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:34:26,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:34:26,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:34:26,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:34:26,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:34:26,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:34:26,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:34:26,878 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:34:26,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:34:26,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:34:26,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:34:26,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:34:26,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:34:26,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:34:26,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:34:26,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:34:26,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:34:26,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:34:26,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:34:26,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:34:26,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:34:26,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:34:26,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:34:26,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:34:26,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:34:26,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:34:26,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:34:26,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:34:27,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:34:27,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:34:27,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:34:27,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:34:27,232 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:34:27,233 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-19 21:34:27,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a2e4bb0/8de17b86c931403ea9b4d22922ca4d36/FLAG9f6d0f381 [2020-07-19 21:34:27,910 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:34:27,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-19 21:34:27,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a2e4bb0/8de17b86c931403ea9b4d22922ca4d36/FLAG9f6d0f381 [2020-07-19 21:34:28,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a2e4bb0/8de17b86c931403ea9b4d22922ca4d36 [2020-07-19 21:34:28,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:34:28,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:34:28,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:34:28,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:34:28,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:34:28,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:28,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f950b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28, skipping insertion in model container [2020-07-19 21:34:28,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:28,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:34:28,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:34:28,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:34:28,665 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:34:28,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:34:28,936 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:34:28,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28 WrapperNode [2020-07-19 21:34:28,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:34:28,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:34:28,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:34:28,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:34:28,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:28,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:28,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:28,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:29,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:29,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:29,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... [2020-07-19 21:34:29,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:34:29,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:34:29,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:34:29,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:34:29,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:34:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:34:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:34:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:34:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:34:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:34:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:34:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:34:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:34:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:34:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:34:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:34:30,366 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:34:30,366 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:34:30,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:34:30 BoogieIcfgContainer [2020-07-19 21:34:30,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:34:30,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:34:30,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:34:30,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:34:30,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:34:28" (1/3) ... [2020-07-19 21:34:30,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa45a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:34:30, skipping insertion in model container [2020-07-19 21:34:30,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:34:28" (2/3) ... [2020-07-19 21:34:30,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa45a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:34:30, skipping insertion in model container [2020-07-19 21:34:30,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:34:30" (3/3) ... [2020-07-19 21:34:30,383 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-07-19 21:34:30,394 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:34:30,404 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:34:30,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:34:30,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:34:30,448 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:34:30,448 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:34:30,449 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:34:30,449 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:34:30,449 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:34:30,449 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:34:30,449 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:34:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-19 21:34:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-19 21:34:30,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:30,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:30,488 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:30,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-07-19 21:34:30,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:30,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122377342] [2020-07-19 21:34:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:31,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122377342] [2020-07-19 21:34:31,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:34:31,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:34:31,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015823385] [2020-07-19 21:34:31,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:34:31,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:31,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:34:31,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:34:31,158 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-19 21:34:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:32,681 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-19 21:34:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:34:32,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-19 21:34:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:32,701 INFO L225 Difference]: With dead ends: 557 [2020-07-19 21:34:32,701 INFO L226 Difference]: Without dead ends: 286 [2020-07-19 21:34:32,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:34:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-19 21:34:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-19 21:34:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-19 21:34:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-19 21:34:32,809 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-07-19 21:34:32,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:32,810 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-19 21:34:32,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:34:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-19 21:34:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-19 21:34:32,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:32,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:32,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:34:32,827 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:32,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:32,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-07-19 21:34:32,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:32,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195713225] [2020-07-19 21:34:32,828 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:33,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195713225] [2020-07-19 21:34:33,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:34:33,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:34:33,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299090897] [2020-07-19 21:34:33,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:34:33,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:33,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:34:33,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:34:33,072 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-19 21:34:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:34,505 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-19 21:34:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:34:34,506 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-07-19 21:34:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:34,512 INFO L225 Difference]: With dead ends: 713 [2020-07-19 21:34:34,512 INFO L226 Difference]: Without dead ends: 439 [2020-07-19 21:34:34,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:34:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-19 21:34:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-19 21:34:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-19 21:34:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-19 21:34:34,557 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-07-19 21:34:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:34,557 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-19 21:34:34,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:34:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-19 21:34:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:34:34,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:34,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:34,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:34:34,561 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:34,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:34,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-07-19 21:34:34,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:34,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749776513] [2020-07-19 21:34:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:34,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749776513] [2020-07-19 21:34:34,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836208013] [2020-07-19 21:34:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:34,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:34:34,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:34,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:34:34,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:34:34,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326468755] [2020-07-19 21:34:34,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:34:34,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:34,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:34:34,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:34:34,917 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-19 21:34:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:35,507 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-19 21:34:35,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:34:35,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-19 21:34:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:35,524 INFO L225 Difference]: With dead ends: 1247 [2020-07-19 21:34:35,524 INFO L226 Difference]: Without dead ends: 832 [2020-07-19 21:34:35,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:34:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-19 21:34:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-19 21:34:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-19 21:34:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2020-07-19 21:34:35,601 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 102 [2020-07-19 21:34:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:35,602 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2020-07-19 21:34:35,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:34:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2020-07-19 21:34:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-19 21:34:35,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:35,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:35,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 21:34:35,821 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:35,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:35,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2020-07-19 21:34:35,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:35,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504080473] [2020-07-19 21:34:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:36,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504080473] [2020-07-19 21:34:36,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:34:36,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:34:36,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564029856] [2020-07-19 21:34:36,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:34:36,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:34:36,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:34:36,052 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 8 states. [2020-07-19 21:34:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:38,091 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2020-07-19 21:34:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:34:38,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-07-19 21:34:38,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:38,109 INFO L225 Difference]: With dead ends: 2808 [2020-07-19 21:34:38,109 INFO L226 Difference]: Without dead ends: 1982 [2020-07-19 21:34:38,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:34:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-07-19 21:34:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-07-19 21:34:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-19 21:34:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-07-19 21:34:38,224 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 116 [2020-07-19 21:34:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:38,226 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-07-19 21:34:38,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:34:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-07-19 21:34:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-19 21:34:38,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:38,232 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:38,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:34:38,233 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:38,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2020-07-19 21:34:38,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:38,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310580055] [2020-07-19 21:34:38,234 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:34:38,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310580055] [2020-07-19 21:34:38,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82585690] [2020-07-19 21:34:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:38,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:34:38,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:38,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:34:38,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 21:34:38,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215514282] [2020-07-19 21:34:38,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:34:38,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:38,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:34:38,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:34:38,643 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 8 states. [2020-07-19 21:34:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:39,964 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-07-19 21:34:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:34:39,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-07-19 21:34:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:39,985 INFO L225 Difference]: With dead ends: 3541 [2020-07-19 21:34:39,986 INFO L226 Difference]: Without dead ends: 2004 [2020-07-19 21:34:39,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:34:39,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-19 21:34:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-07-19 21:34:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-19 21:34:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-07-19 21:34:40,100 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 133 [2020-07-19 21:34:40,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:40,101 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-07-19 21:34:40,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:34:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-07-19 21:34:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-19 21:34:40,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:40,112 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:40,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:40,353 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:40,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:40,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2020-07-19 21:34:40,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:40,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516577477] [2020-07-19 21:34:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:34:40,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516577477] [2020-07-19 21:34:40,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659350302] [2020-07-19 21:34:40,591 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:40,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:34:40,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 21:34:40,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:34:40,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-19 21:34:40,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114575612] [2020-07-19 21:34:40,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:34:40,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:40,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:34:40,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:34:40,821 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 9 states. [2020-07-19 21:34:43,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:43,565 INFO L93 Difference]: Finished difference Result 3992 states and 5524 transitions. [2020-07-19 21:34:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 21:34:43,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2020-07-19 21:34:43,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:43,585 INFO L225 Difference]: With dead ends: 3992 [2020-07-19 21:34:43,585 INFO L226 Difference]: Without dead ends: 2314 [2020-07-19 21:34:43,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:34:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2020-07-19 21:34:43,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1708. [2020-07-19 21:34:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1708 states. [2020-07-19 21:34:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2121 transitions. [2020-07-19 21:34:43,715 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2121 transitions. Word has length 137 [2020-07-19 21:34:43,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:43,717 INFO L479 AbstractCegarLoop]: Abstraction has 1708 states and 2121 transitions. [2020-07-19 21:34:43,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:34:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2121 transitions. [2020-07-19 21:34:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-19 21:34:43,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:43,723 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:43,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:43,937 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:43,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:43,938 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-07-19 21:34:43,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:43,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020852994] [2020-07-19 21:34:43,938 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:34:44,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020852994] [2020-07-19 21:34:44,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653314893] [2020-07-19 21:34:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:44,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:34:44,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:34:44,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:34:44,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 21:34:44,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754448448] [2020-07-19 21:34:44,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:34:44,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:44,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:34:44,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:34:44,337 INFO L87 Difference]: Start difference. First operand 1708 states and 2121 transitions. Second operand 8 states. [2020-07-19 21:34:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:45,739 INFO L93 Difference]: Finished difference Result 4030 states and 5226 transitions. [2020-07-19 21:34:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:34:45,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-19 21:34:45,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:45,753 INFO L225 Difference]: With dead ends: 4030 [2020-07-19 21:34:45,754 INFO L226 Difference]: Without dead ends: 2328 [2020-07-19 21:34:45,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:34:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2020-07-19 21:34:45,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2155. [2020-07-19 21:34:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2155 states. [2020-07-19 21:34:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2721 transitions. [2020-07-19 21:34:45,834 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2721 transitions. Word has length 157 [2020-07-19 21:34:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:45,834 INFO L479 AbstractCegarLoop]: Abstraction has 2155 states and 2721 transitions. [2020-07-19 21:34:45,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:34:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2721 transitions. [2020-07-19 21:34:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-19 21:34:45,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:45,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:46,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:46,057 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:46,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:46,057 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2020-07-19 21:34:46,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:46,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182946095] [2020-07-19 21:34:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-19 21:34:46,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182946095] [2020-07-19 21:34:46,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080253300] [2020-07-19 21:34:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:46,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:34:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-19 21:34:46,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:34:46,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 21:34:46,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977684879] [2020-07-19 21:34:46,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:34:46,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:46,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:34:46,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:34:46,532 INFO L87 Difference]: Start difference. First operand 2155 states and 2721 transitions. Second operand 10 states. [2020-07-19 21:34:46,679 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-07-19 21:34:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:49,705 INFO L93 Difference]: Finished difference Result 4781 states and 6031 transitions. [2020-07-19 21:34:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 21:34:49,706 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-07-19 21:34:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:49,717 INFO L225 Difference]: With dead ends: 4781 [2020-07-19 21:34:49,720 INFO L226 Difference]: Without dead ends: 2632 [2020-07-19 21:34:49,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:34:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2020-07-19 21:34:49,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2604. [2020-07-19 21:34:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2020-07-19 21:34:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3140 transitions. [2020-07-19 21:34:49,811 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3140 transitions. Word has length 173 [2020-07-19 21:34:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:49,811 INFO L479 AbstractCegarLoop]: Abstraction has 2604 states and 3140 transitions. [2020-07-19 21:34:49,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:34:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3140 transitions. [2020-07-19 21:34:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-19 21:34:49,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:34:49,821 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:34:50,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:50,036 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:34:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:34:50,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2020-07-19 21:34:50,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:34:50,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740437437] [2020-07-19 21:34:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 [2020-07-19 21:34:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-19 21:34:50,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740437437] [2020-07-19 21:34:50,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647302195] [2020-07-19 21:34:50,276 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b3ba97 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:34:50,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:34:50,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:34:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-19 21:34:50,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:34:50,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-19 21:34:50,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762035546] [2020-07-19 21:34:50,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:34:50,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:34:50,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:34:50,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:34:50,503 INFO L87 Difference]: Start difference. First operand 2604 states and 3140 transitions. Second operand 9 states. [2020-07-19 21:34:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:34:54,631 INFO L93 Difference]: Finished difference Result 7001 states and 8774 transitions. [2020-07-19 21:34:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-19 21:34:54,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2020-07-19 21:34:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:34:54,632 INFO L225 Difference]: With dead ends: 7001 [2020-07-19 21:34:54,632 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:34:54,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:34:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:34:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:34:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:34:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:34:54,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-19 21:34:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:34:54,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:34:54,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:34:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:34:54,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:34:54,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:34:54,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:34:55,770 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 205 [2020-07-19 21:34:56,192 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 205 [2020-07-19 21:34:57,376 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 195 DAG size of output: 55 [2020-07-19 21:34:58,428 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2020-07-19 21:34:59,415 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2020-07-19 21:34:59,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:34:59,426 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,427 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,428 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,428 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-19 21:34:59,428 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-19 21:34:59,428 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-19 21:34:59,428 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-19 21:34:59,429 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-19 21:34:59,430 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-19 21:34:59,430 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-19 21:34:59,430 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-19 21:34:59,430 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-19 21:34:59,431 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,432 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-19 21:34:59,433 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-19 21:34:59,434 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,435 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,435 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,435 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,435 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-19 21:34:59,436 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-19 21:34:59,438 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-19 21:34:59,438 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,438 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,438 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,438 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,439 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,439 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-19 21:34:59,440 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-19 21:34:59,441 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,442 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,444 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-19 21:34:59,445 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,446 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-19 21:34:59,447 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,448 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,449 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-19 21:34:59,449 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-19 21:34:59,450 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-19 21:34:59,450 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-19 21:34:59,450 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,451 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-19 21:34:59,452 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-19 21:34:59,453 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|))) (let ((.cse7 (not (<= 15 |old(~a8~0)|))) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse4 (and .cse9 .cse10 .cse11 .cse12 (= 1 ~a21~0) .cse13)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse0 (not (<= |old(~a21~0)| 0))) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse3 (and .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a21~0 |old(~a21~0)|))) (.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse2 .cse5) (or .cse8 .cse4 .cse2 .cse5) (or (= 13 |old(~a8~0)|) .cse4 .cse1 .cse2 .cse5) (or .cse8 .cse0 .cse3 .cse6) (or .cse8 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6)))) [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-19 21:34:59,454 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 21:34:59,455 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,456 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-19 21:34:59,457 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,458 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-19 21:34:59,459 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a17~0) (<= 15 ~a8~0) (= 1 ~a21~0) (= 1 ~a20~0) (= 5 ~a16~0)) [2020-07-19 21:34:59,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:34:59,460 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= 1 ~a20~0) (= 5 ~a16~0)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-19 21:34:59,460 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-19 21:34:59,461 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|)))) (let ((.cse4 (= 1 ~a20~0)) (.cse2 (= 1 ~a21~0)) (.cse5 (<= ~a21~0 0)) (.cse7 (<= ~a16~0 5)) (.cse1 (= 1 ~a17~0)) (.cse6 (<= ~a17~0 0)) (.cse0 (<= 5 ~a16~0)) (.cse9 (<= 15 ~a8~0)) (.cse3 (or (not (= 1 |old(~a7~0)|)) .cse10)) (.cse8 (= ~a21~0 |old(~a21~0)|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse3 .cse4) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) .cse7 .cse1 .cse2 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse1 .cse2 .cse4 .cse3) (not (<= 5 |old(~a16~0)|)) (and (not (= 13 ~a8~0)) .cse7 .cse1 .cse3 .cse8) (and .cse6 .cse0 .cse2 .cse4 .cse3) (and .cse1 .cse0 .cse9 .cse3 .cse8) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse6 .cse7 .cse2 .cse3) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse7 .cse1 .cse3) .cse10 (and .cse6 .cse0 .cse9 .cse3 .cse8)))) [2020-07-19 21:34:59,461 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-19 21:34:59,461 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-19 21:34:59,461 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|)))) (let ((.cse4 (= 1 ~a20~0)) (.cse2 (= 1 ~a21~0)) (.cse5 (<= ~a21~0 0)) (.cse7 (<= ~a16~0 5)) (.cse1 (= 1 ~a17~0)) (.cse6 (<= ~a17~0 0)) (.cse0 (<= 5 ~a16~0)) (.cse9 (<= 15 ~a8~0)) (.cse3 (or (not (= 1 |old(~a7~0)|)) .cse10)) (.cse8 (= ~a21~0 |old(~a21~0)|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse3 .cse4) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) .cse7 .cse1 .cse2 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse1 .cse2 .cse4 .cse3) (not (<= 5 |old(~a16~0)|)) (and (not (= 13 ~a8~0)) .cse7 .cse1 .cse3 .cse8) (and .cse6 .cse0 .cse2 .cse4 .cse3) (and .cse1 .cse0 .cse9 .cse3 .cse8) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse6 .cse7 .cse2 .cse3) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse7 .cse1 .cse3) .cse10 (and .cse6 .cse0 .cse9 .cse3 .cse8)))) [2020-07-19 21:34:59,461 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-19 21:34:59,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:34:59 BoogieIcfgContainer [2020-07-19 21:34:59,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:34:59,490 INFO L168 Benchmark]: Toolchain (without parser) took 31338.99 ms. Allocated memory was 141.6 MB in the beginning and 574.1 MB in the end (delta: 432.5 MB). Free memory was 101.0 MB in the beginning and 347.3 MB in the end (delta: -246.4 MB). Peak memory consumption was 419.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,491 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.93 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 174.4 MB in the end (delta: -73.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,493 INFO L168 Benchmark]: Boogie Preprocessor took 120.44 ms. Allocated memory is still 206.6 MB. Free memory was 174.4 MB in the beginning and 169.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,493 INFO L168 Benchmark]: RCFGBuilder took 1314.09 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 169.1 MB in the beginning and 184.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,494 INFO L168 Benchmark]: TraceAbstraction took 29113.74 ms. Allocated memory was 237.0 MB in the beginning and 574.1 MB in the end (delta: 337.1 MB). Free memory was 184.1 MB in the beginning and 347.3 MB in the end (delta: -163.2 MB). Peak memory consumption was 407.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:34:59,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.93 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 174.4 MB in the end (delta: -73.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.44 ms. Allocated memory is still 206.6 MB. Free memory was 174.4 MB in the beginning and 169.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.09 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 169.1 MB in the beginning and 184.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29113.74 ms. Allocated memory was 237.0 MB in the beginning and 574.1 MB in the end (delta: 337.1 MB). Free memory was 184.1 MB in the beginning and 347.3 MB in the end (delta: -163.2 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: 431]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((5 <= a16 && 1 == a17) && 1 == a21) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && 1 == a20) || (((a21 <= 0 && a17 <= 0) && a16 <= 5) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || (((a21 <= 0 && a17 <= 0) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && 1 == a20)) || ((((((a7 == \old(a7) && a16 == \old(a16)) && a8 == \old(a8)) && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || !(1 == \old(a17))) || ((((a16 <= 5 && 1 == a17) && 1 == a21) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(5 <= \old(a16))) || ((((!(13 == a8) && a16 <= 5) && 1 == a17) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && a21 == \old(a21))) || ((((a17 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || ((((1 == a17 && 5 <= a16) && 15 <= a8) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && a21 == \old(a21))) || !(1 == \old(a20))) || !(15 <= \old(a8))) || (((a17 <= 0 && a16 <= 5) && 1 == a21) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(\old(a16) <= 5)) || (((a21 <= 0 && a16 <= 5) && 1 == a17) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(1 == \old(a21))) || ((((a17 <= 0 && 5 <= a16) && 15 <= a8) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && a21 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.4s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 4705 SDslu, 475 SDs, 0 SdLazy, 10491 SolverSat, 1844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1090 GetRequests, 970 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2604occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1590 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 199 NumberOfFragments, 923 HoareAnnotationTreeSize, 123 FomulaSimplifications, 294112 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 30360 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2102 NumberOfCodeBlocks, 2102 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2087 ConstructedInterpolants, 0 QuantifiedInterpolants, 710932 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2712 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 819/947 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...