/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:08:52,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:08:52,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:08:52,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 22:08:52,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:08:52,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:08:52,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:08:52,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:08:52,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:08:52,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:08:52,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:08:52,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:08:52,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:08:52,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:08:52,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:08:52,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:08:52,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:08:52,989 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 [2020-07-20 22:08:53,003 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:08:53,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:08:53,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:08:53,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:08:53,005 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:08:53,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:08:53,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:08:53,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:08:53,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:08:53,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:08:53,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:08:53,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:08:53,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:08:53,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:08:53,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:08:53,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:08:53,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:08:53,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:08:53,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:08:53,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:08:53,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:08:53,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:08:53,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:08:53,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:08:53,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:08:53,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:08:53,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:08:53,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:08:53,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:08:53,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 22:08:53,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:08:53,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:08:53,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:08:53,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:08:53,334 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:08:53,336 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-20 22:08:53,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7352ffac3/6844e188597848258ebeb3730bab3b9b/FLAG5fb60458d [2020-07-20 22:08:54,114 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:08:54,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-20 22:08:54,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7352ffac3/6844e188597848258ebeb3730bab3b9b/FLAG5fb60458d [2020-07-20 22:08:54,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7352ffac3/6844e188597848258ebeb3730bab3b9b [2020-07-20 22:08:54,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:08:54,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:08:54,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:08:54,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:08:54,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:08:54,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:08:54" (1/1) ... [2020-07-20 22:08:54,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7de326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:54, skipping insertion in model container [2020-07-20 22:08:54,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:08:54" (1/1) ... [2020-07-20 22:08:54,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:08:54,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:08:54,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:08:54,879 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:08:55,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:08:55,204 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:08:55,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55 WrapperNode [2020-07-20 22:08:55,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:08:55,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:08:55,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:08:55,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:08:55,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (1/1) ... [2020-07-20 22:08:55,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:08:55,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:08:55,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:08:55,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:08:55,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (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 [2020-07-20 22:08:55,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:08:55,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:08:55,427 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:08:55,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:08:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:08:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:08:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:08:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:08:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:08:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:08:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:08:56,928 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:08:56,929 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:08:56,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:08:56 BoogieIcfgContainer [2020-07-20 22:08:56,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:08:56,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:08:56,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:08:56,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:08:56,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:08:54" (1/3) ... [2020-07-20 22:08:56,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3c73f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:08:56, skipping insertion in model container [2020-07-20 22:08:56,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:55" (2/3) ... [2020-07-20 22:08:56,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3c73f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:08:56, skipping insertion in model container [2020-07-20 22:08:56,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:08:56" (3/3) ... [2020-07-20 22:08:56,946 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-07-20 22:08:56,958 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:08:56,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:08:56,987 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:08:57,024 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:08:57,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:08:57,025 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:08:57,025 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:08:57,025 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:08:57,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:08:57,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:08:57,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:08:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 22:08:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 22:08:57,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:08:57,073 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] [2020-07-20 22:08:57,074 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:08:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:08:57,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-07-20 22:08:57,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:08:57,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029786754] [2020-07-20 22:08:57,095 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:08:57,212 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:08:57,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:08:57,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:08:57,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:08:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:08:57,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:08:57,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029786754] [2020-07-20 22:08:57,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:08:57,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:08:57,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502407515] [2020-07-20 22:08:57,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:08:57,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:08:57,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:08:57,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:08:57,321 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-20 22:08:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:08:58,678 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2020-07-20 22:08:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:08:58,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 22:08:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:08:58,721 INFO L225 Difference]: With dead ends: 688 [2020-07-20 22:08:58,721 INFO L226 Difference]: Without dead ends: 372 [2020-07-20 22:08:58,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:08:58,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-20 22:08:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-20 22:08:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 22:08:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2020-07-20 22:08:58,856 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 47 [2020-07-20 22:08:58,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:08:58,857 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2020-07-20 22:08:58,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:08:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2020-07-20 22:08:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 22:08:58,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:08:58,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:08:59,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:08:59,080 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:08:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:08:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash 13726601, now seen corresponding path program 1 times [2020-07-20 22:08:59,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:08:59,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969672664] [2020-07-20 22:08:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:08:59,195 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:08:59,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:08:59,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:08:59,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:08:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:08:59,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:08:59,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969672664] [2020-07-20 22:08:59,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:08:59,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:08:59,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096128076] [2020-07-20 22:08:59,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:08:59,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:08:59,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:08:59,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:08:59,293 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 3 states. [2020-07-20 22:09:00,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:09:00,326 INFO L93 Difference]: Finished difference Result 1102 states and 1805 transitions. [2020-07-20 22:09:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:09:00,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-20 22:09:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:09:00,335 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 22:09:00,335 INFO L226 Difference]: Without dead ends: 736 [2020-07-20 22:09:00,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:09:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-20 22:09:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2020-07-20 22:09:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-07-20 22:09:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 794 transitions. [2020-07-20 22:09:00,377 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 794 transitions. Word has length 116 [2020-07-20 22:09:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:09:00,382 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 794 transitions. [2020-07-20 22:09:00,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:09:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 794 transitions. [2020-07-20 22:09:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 22:09:00,386 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:09:00,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:09:00,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:00,591 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:09:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:09:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2020-07-20 22:09:00,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:09:00,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405009735] [2020-07-20 22:09:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:00,715 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:09:00,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:09:00,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:09:00,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:09:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:09:00,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:09:00,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405009735] [2020-07-20 22:09:00,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:09:00,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:09:00,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724043314] [2020-07-20 22:09:00,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:09:00,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:09:00,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:09:00,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:09:00,813 INFO L87 Difference]: Start difference. First operand 554 states and 794 transitions. Second operand 5 states. [2020-07-20 22:09:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:09:02,336 INFO L93 Difference]: Finished difference Result 1494 states and 2252 transitions. [2020-07-20 22:09:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:09:02,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-07-20 22:09:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:09:02,355 INFO L225 Difference]: With dead ends: 1494 [2020-07-20 22:09:02,355 INFO L226 Difference]: Without dead ends: 946 [2020-07-20 22:09:02,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:09:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-07-20 22:09:02,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 934. [2020-07-20 22:09:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-07-20 22:09:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1328 transitions. [2020-07-20 22:09:02,451 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1328 transitions. Word has length 121 [2020-07-20 22:09:02,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:09:02,452 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1328 transitions. [2020-07-20 22:09:02,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:09:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1328 transitions. [2020-07-20 22:09:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 22:09:02,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:09:02,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:09:02,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:02,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:09:02,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:09:02,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1028566563, now seen corresponding path program 1 times [2020-07-20 22:09:02,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:09:02,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597575207] [2020-07-20 22:09:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:02,802 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:09:02,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:09:02,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:09:02,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:09:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:09:02,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:09:02,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597575207] [2020-07-20 22:09:02,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:09:02,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:09:02,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011702523] [2020-07-20 22:09:02,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:09:02,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:09:02,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:09:02,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:09:02,841 INFO L87 Difference]: Start difference. First operand 934 states and 1328 transitions. Second operand 3 states. [2020-07-20 22:09:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:09:03,785 INFO L93 Difference]: Finished difference Result 1304 states and 1844 transitions. [2020-07-20 22:09:03,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:09:03,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-20 22:09:03,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:09:03,798 INFO L225 Difference]: With dead ends: 1304 [2020-07-20 22:09:03,799 INFO L226 Difference]: Without dead ends: 1302 [2020-07-20 22:09:03,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:09:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-07-20 22:09:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 932. [2020-07-20 22:09:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-07-20 22:09:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1269 transitions. [2020-07-20 22:09:03,852 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1269 transitions. Word has length 142 [2020-07-20 22:09:03,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:09:03,854 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1269 transitions. [2020-07-20 22:09:03,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:09:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1269 transitions. [2020-07-20 22:09:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-07-20 22:09:03,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:09:03,858 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:09:04,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:04,074 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:09:04,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:09:04,074 INFO L82 PathProgramCache]: Analyzing trace with hash 511372486, now seen corresponding path program 1 times [2020-07-20 22:09:04,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:09:04,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609507103] [2020-07-20 22:09:04,075 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:04,195 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:09:04,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:09:04,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 22:09:04,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:09:04,222 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 22:09:04,224 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 22:09:04,225 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 22:09:04,230 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 22:09:04,232 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 22:09:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-07-20 22:09:04,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:09:04,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609507103] [2020-07-20 22:09:04,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:09:04,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:09:04,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122437523] [2020-07-20 22:09:04,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:09:04,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:09:04,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:09:04,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:09:04,523 INFO L87 Difference]: Start difference. First operand 932 states and 1269 transitions. Second operand 3 states. [2020-07-20 22:09:06,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:09:06,069 INFO L93 Difference]: Finished difference Result 2592 states and 3567 transitions. [2020-07-20 22:09:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:09:06,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-07-20 22:09:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:09:06,073 INFO L225 Difference]: With dead ends: 2592 [2020-07-20 22:09:06,074 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:09:06,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:09:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:09:06,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:09:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:09:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:09:06,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2020-07-20 22:09:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:09:06,087 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:09:06,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:09:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:09:06,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:09:06,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:09:06,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:09:06,829 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-07-20 22:09:06,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:09:06,931 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a15~0 |old(~a15~0)|) [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 22:09:06,932 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 22:09:06,933 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 22:09:06,934 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 22:09:06,935 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,936 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 22:09:06,937 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 22:09:06,938 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,939 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 22:09:06,940 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 22:09:06,941 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,942 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 22:09:06,943 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 |old(~a15~0)|))) (and (or (and (<= 7 ~a15~0) .cse0) (not (<= 7 |old(~a15~0)|))) (or (not (<= |old(~a15~0)| 5)) .cse0) (or (and .cse0 (<= 7 ~a21~0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8))) (or (and .cse0 (exists ((v_~a12~0_440 Int)) (and (< 11 v_~a12~0_440) (<= 0 v_~a12~0_440) (<= v_~a12~0_440 80) (<= (+ (mod v_~a12~0_440 34) 13) ~a12~0)))) (forall ((v_~a12~0_440 Int)) (or (not (< 11 v_~a12~0_440)) (not (<= 0 v_~a12~0_440)) (not (<= (+ (mod v_~a12~0_440 34) 13) |old(~a12~0)|)) (not (<= v_~a12~0_440 80))))))) [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 22:09:06,944 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,945 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 22:09:06,946 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 22:09:06,947 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,948 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 22:09:06,949 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 22:09:06,950 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 22:09:06,951 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 22:09:06,952 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,953 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,954 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,955 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 22:09:06,956 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 22:09:06,957 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,958 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 22:09:06,959 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 22:09:06,960 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 22:09:06,961 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 22:09:06,962 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 22:09:06,962 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 22:09:06,962 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 22:09:06,962 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:09:06,962 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a15~0) (<= ~a15~0 8) (<= 7 ~a21~0)) [2020-07-20 22:09:06,962 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:09:06,962 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:09:06,963 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 7 |old(~a21~0)|)) (and (<= 7 ~a15~0) (<= ~a15~0 |old(~a15~0)|) (<= 7 ~a21~0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8))) [2020-07-20 22:09:06,963 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 22:09:06,963 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= 7 |old(~a21~0)|)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (<= 7 ~a21~0) (exists ((v_~a12~0_440 Int)) (and (< 11 v_~a12~0_440) (<= 0 v_~a12~0_440) (<= v_~a12~0_440 80) (<= (+ (mod v_~a12~0_440 34) 13) ~a12~0)))) [2020-07-20 22:09:06,963 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 22:09:06,963 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 22:09:06,963 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= 7 |old(~a21~0)|)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (<= 7 ~a21~0) (exists ((v_~a12~0_440 Int)) (and (< 11 v_~a12~0_440) (<= 0 v_~a12~0_440) (<= v_~a12~0_440 80) (<= (+ (mod v_~a12~0_440 34) 13) ~a12~0)))) [2020-07-20 22:09:06,964 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 22:09:06,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:06,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:09:06 BoogieIcfgContainer [2020-07-20 22:09:06,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:09:06,990 INFO L168 Benchmark]: Toolchain (without parser) took 12655.75 ms. Allocated memory was 137.4 MB in the beginning and 335.0 MB in the end (delta: 197.7 MB). Free memory was 99.8 MB in the beginning and 89.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 207.9 MB. Max. memory is 7.1 GB. [2020-07-20 22:09:06,991 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 137.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 22:09:06,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.86 ms. Allocated memory was 137.4 MB in the beginning and 205.0 MB in the end (delta: 67.6 MB). Free memory was 99.4 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-07-20 22:09:06,993 INFO L168 Benchmark]: Boogie Preprocessor took 138.35 ms. Allocated memory is still 205.0 MB. Free memory was 167.7 MB in the beginning and 162.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:09:06,994 INFO L168 Benchmark]: RCFGBuilder took 1592.17 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 162.4 MB in the beginning and 157.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:09:06,995 INFO L168 Benchmark]: TraceAbstraction took 10049.53 ms. Allocated memory was 235.9 MB in the beginning and 335.0 MB in the end (delta: 99.1 MB). Free memory was 157.2 MB in the beginning and 89.6 MB in the end (delta: 67.7 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:09:06,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 137.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 868.86 ms. Allocated memory was 137.4 MB in the beginning and 205.0 MB in the end (delta: 67.6 MB). Free memory was 99.4 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.35 ms. Allocated memory is still 205.0 MB. Free memory was 167.7 MB in the beginning and 162.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1592.17 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 162.4 MB in the beginning and 157.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10049.53 ms. Allocated memory was 235.9 MB in the beginning and 335.0 MB in the end (delta: 99.1 MB). Free memory was 157.2 MB in the beginning and 89.6 MB in the end (delta: 67.7 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 880]: Loop Invariant [2020-07-20 22:09:07,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] [2020-07-20 22:09:07,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_440,QUANTIFIED] Derived loop invariant: (((((7 <= a15 || a15 <= 5) || !(7 <= \old(a21))) || !(7 <= \old(a15))) || !(\old(a15) <= 8)) || 7 <= a21) || (\exists v_~a12~0_440 : int :: ((11 < v_~a12~0_440 && 0 <= v_~a12~0_440) && v_~a12~0_440 <= 80) && v_~a12~0_440 % 34 + 13 <= a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 667 SDtfs, 1106 SDslu, 78 SDs, 0 SdLazy, 2826 SolverSat, 822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=934occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 564 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 26 PreInvPairs, 44 NumberOfFragments, 199 HoareAnnotationTreeSize, 26 FomulaSimplifications, 598 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 366 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 654 ConstructedInterpolants, 43 QuantifiedInterpolants, 317582 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1383 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 274/274 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...