/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 NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:51:11,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 13:51:11,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 13:51:11,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 13:51:11,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 13:51:11,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 13:51:11,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 13:51:11,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 13:51:11,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 13:51:11,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 13:51:11,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 13:51:11,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 13:51:11,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:51:11,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:51:11,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:51:11,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:51:11,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:51:11,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:51:11,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:51:11,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:51:11,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:51:11,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:51:11,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:51:11,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:51:11,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:51:11,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 13:51:11,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 13:51:11,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 13:51:11,828 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 [2020-07-21 13:51:11,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:51:11,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:51:11,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:51:11,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:51:11,847 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:51:11,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:51:11,847 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:51:11,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:51:11,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:51:11,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:51:11,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:51:11,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:51:11,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:51:11,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:51:11,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:51:11,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:51:11,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:51:11,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:51:11,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:51:11,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:51:11,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:51:11,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:51:11,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:51:11,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:51:11,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:51:11,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:51:11,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:11,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:51:11,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:51:11,852 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 -> NUM_FUNCTIONS 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 -> 2 [2020-07-21 13:51:12,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:51:12,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:51:12,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:51:12,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:51:12,189 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:51:12,190 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 13:51:12,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cce03b61/8aec5aa2ba524ab5bd67a25ed45bd10e/FLAG1cd60c2e0 [2020-07-21 13:51:12,762 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:51:12,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 13:51:12,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cce03b61/8aec5aa2ba524ab5bd67a25ed45bd10e/FLAG1cd60c2e0 [2020-07-21 13:51:13,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cce03b61/8aec5aa2ba524ab5bd67a25ed45bd10e [2020-07-21 13:51:13,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:51:13,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:51:13,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:51:13,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:51:13,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:51:13,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19eb74fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13, skipping insertion in model container [2020-07-21 13:51:13,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:51:13,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:51:13,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:51:13,541 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:51:13,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:51:13,734 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:51:13,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13 WrapperNode [2020-07-21 13:51:13,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:51:13,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:51:13,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:51:13,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:51:13,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (1/1) ... [2020-07-21 13:51:13,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:51:13,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:51:13,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:51:13,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:51:13,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (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 [2020-07-21 13:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:51:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 13:51:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:51:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 13:51:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:51:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 13:51:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 13:51:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:51:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:51:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:51:14,959 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:51:14,959 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 13:51:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:14 BoogieIcfgContainer [2020-07-21 13:51:14,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:51:14,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:51:14,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:51:14,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:51:14,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:51:13" (1/3) ... [2020-07-21 13:51:14,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310dbfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:14, skipping insertion in model container [2020-07-21 13:51:14,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:51:13" (2/3) ... [2020-07-21 13:51:14,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310dbfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:14, skipping insertion in model container [2020-07-21 13:51:14,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:14" (3/3) ... [2020-07-21 13:51:14,973 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-07-21 13:51:14,983 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:51:14,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:51:15,005 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:51:15,030 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:51:15,031 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:51:15,031 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:51:15,031 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:51:15,031 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:51:15,032 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:51:15,032 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:51:15,032 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:51:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 13:51:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-21 13:51:15,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:15,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:15,069 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:15,075 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2020-07-21 13:51:15,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:15,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42147160] [2020-07-21 13:51:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 13:51:15,298 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:15,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:15,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:51:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:15,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:51:15,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42147160] [2020-07-21 13:51:15,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:51:15,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:51:15,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553477032] [2020-07-21 13:51:15,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:51:15,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:15,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:51:15,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:51:15,430 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 13:51:16,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:16,351 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-21 13:51:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:51:16,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-07-21 13:51:16,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:16,382 INFO L225 Difference]: With dead ends: 615 [2020-07-21 13:51:16,382 INFO L226 Difference]: Without dead ends: 317 [2020-07-21 13:51:16,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:51:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-21 13:51:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-21 13:51:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 13:51:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-21 13:51:16,497 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 105 [2020-07-21 13:51:16,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:16,498 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-21 13:51:16,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:51:16,499 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-21 13:51:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-21 13:51:16,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:16,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:16,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:16,715 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:16,716 INFO L82 PathProgramCache]: Analyzing trace with hash -643989844, now seen corresponding path program 1 times [2020-07-21 13:51:16,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:16,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402755122] [2020-07-21 13:51:16,718 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 13:51:16,848 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:16,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:16,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:51:16,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:16,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:51:16,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402755122] [2020-07-21 13:51:16,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:51:16,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:51:16,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345352160] [2020-07-21 13:51:16,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:51:16,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:16,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:51:16,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:51:16,922 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 5 states. [2020-07-21 13:51:17,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:17,373 INFO L93 Difference]: Finished difference Result 629 states and 962 transitions. [2020-07-21 13:51:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 13:51:17,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-07-21 13:51:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:17,382 INFO L225 Difference]: With dead ends: 629 [2020-07-21 13:51:17,383 INFO L226 Difference]: Without dead ends: 318 [2020-07-21 13:51:17,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:51:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-21 13:51:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308. [2020-07-21 13:51:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-21 13:51:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 435 transitions. [2020-07-21 13:51:17,403 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 435 transitions. Word has length 120 [2020-07-21 13:51:17,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:17,403 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 435 transitions. [2020-07-21 13:51:17,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:51:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions. [2020-07-21 13:51:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-21 13:51:17,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:17,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:17,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:17,620 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:17,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:17,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1033644135, now seen corresponding path program 1 times [2020-07-21 13:51:17,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:17,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535810600] [2020-07-21 13:51:17,623 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 13:51:17,720 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:17,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:17,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:51:17,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:17,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:51:17,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535810600] [2020-07-21 13:51:17,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:51:17,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:51:17,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032724467] [2020-07-21 13:51:17,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:51:17,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:51:17,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:51:17,792 INFO L87 Difference]: Start difference. First operand 308 states and 435 transitions. Second operand 5 states. [2020-07-21 13:51:18,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:18,675 INFO L93 Difference]: Finished difference Result 923 states and 1328 transitions. [2020-07-21 13:51:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:51:18,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-07-21 13:51:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:18,683 INFO L225 Difference]: With dead ends: 923 [2020-07-21 13:51:18,683 INFO L226 Difference]: Without dead ends: 621 [2020-07-21 13:51:18,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:51:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-07-21 13:51:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 605. [2020-07-21 13:51:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-07-21 13:51:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 764 transitions. [2020-07-21 13:51:18,737 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 764 transitions. Word has length 127 [2020-07-21 13:51:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:18,740 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 764 transitions. [2020-07-21 13:51:18,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:51:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 764 transitions. [2020-07-21 13:51:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-21 13:51:18,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:18,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:18,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:18,962 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:18,962 INFO L82 PathProgramCache]: Analyzing trace with hash -288422879, now seen corresponding path program 1 times [2020-07-21 13:51:18,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:18,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573306067] [2020-07-21 13:51:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 13:51:19,060 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:19,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 13:51:19,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:19,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:51:19,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573306067] [2020-07-21 13:51:19,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:51:19,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:51:19,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488898588] [2020-07-21 13:51:19,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:51:19,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:19,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:51:19,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:51:19,112 INFO L87 Difference]: Start difference. First operand 605 states and 764 transitions. Second operand 5 states. [2020-07-21 13:51:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:19,910 INFO L93 Difference]: Finished difference Result 1682 states and 2209 transitions. [2020-07-21 13:51:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:51:19,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-07-21 13:51:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:19,918 INFO L225 Difference]: With dead ends: 1682 [2020-07-21 13:51:19,918 INFO L226 Difference]: Without dead ends: 1083 [2020-07-21 13:51:19,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:51:19,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-21 13:51:19,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1067. [2020-07-21 13:51:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-07-21 13:51:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1323 transitions. [2020-07-21 13:51:19,979 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1323 transitions. Word has length 131 [2020-07-21 13:51:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:19,980 INFO L479 AbstractCegarLoop]: Abstraction has 1067 states and 1323 transitions. [2020-07-21 13:51:19,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:51:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1323 transitions. [2020-07-21 13:51:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-21 13:51:19,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:19,986 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:20,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:20,191 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:20,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash 487274632, now seen corresponding path program 1 times [2020-07-21 13:51:20,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:20,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193440123] [2020-07-21 13:51:20,194 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 13:51:20,284 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:20,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:20,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:51:20,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:20,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:51:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:20,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193440123] [2020-07-21 13:51:20,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:51:20,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 13:51:20,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972071432] [2020-07-21 13:51:20,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 13:51:20,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:20,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 13:51:20,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:51:20,429 INFO L87 Difference]: Start difference. First operand 1067 states and 1323 transitions. Second operand 6 states. [2020-07-21 13:51:21,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:21,190 INFO L93 Difference]: Finished difference Result 2290 states and 2871 transitions. [2020-07-21 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:51:21,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-07-21 13:51:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:21,198 INFO L225 Difference]: With dead ends: 2290 [2020-07-21 13:51:21,198 INFO L226 Difference]: Without dead ends: 1229 [2020-07-21 13:51:21,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:51:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-07-21 13:51:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1223. [2020-07-21 13:51:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-07-21 13:51:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1481 transitions. [2020-07-21 13:51:21,244 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1481 transitions. Word has length 136 [2020-07-21 13:51:21,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:21,245 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 1481 transitions. [2020-07-21 13:51:21,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 13:51:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1481 transitions. [2020-07-21 13:51:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 13:51:21,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:21,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:21,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:21,466 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:21,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:21,467 INFO L82 PathProgramCache]: Analyzing trace with hash -43076848, now seen corresponding path program 1 times [2020-07-21 13:51:21,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:21,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032405639] [2020-07-21 13:51:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:21,562 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:21,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:21,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:51:21,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:51:21,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:51:21,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032405639] [2020-07-21 13:51:21,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:51:21,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:51:21,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638700527] [2020-07-21 13:51:21,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:51:21,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:21,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:51:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:51:21,610 INFO L87 Difference]: Start difference. First operand 1223 states and 1481 transitions. Second operand 3 states. [2020-07-21 13:51:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:22,132 INFO L93 Difference]: Finished difference Result 2884 states and 3595 transitions. [2020-07-21 13:51:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:51:22,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-07-21 13:51:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:22,140 INFO L225 Difference]: With dead ends: 2884 [2020-07-21 13:51:22,140 INFO L226 Difference]: Without dead ends: 1367 [2020-07-21 13:51:22,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:51:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-07-21 13:51:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1221. [2020-07-21 13:51:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-07-21 13:51:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1384 transitions. [2020-07-21 13:51:22,178 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1384 transitions. Word has length 140 [2020-07-21 13:51:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:22,179 INFO L479 AbstractCegarLoop]: Abstraction has 1221 states and 1384 transitions. [2020-07-21 13:51:22,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:51:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1384 transitions. [2020-07-21 13:51:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 13:51:22,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:51:22,183 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:51:22,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:22,397 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:51:22,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:51:22,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1053781276, now seen corresponding path program 1 times [2020-07-21 13:51:22,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:51:22,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427573251] [2020-07-21 13:51:22,399 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:22,493 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:51:22,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:51:22,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 13:51:22,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:51:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:22,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:51:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:51:22,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427573251] [2020-07-21 13:51:22,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:51:22,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 13:51:22,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721132736] [2020-07-21 13:51:22,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 13:51:22,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:51:22,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 13:51:22,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:51:22,592 INFO L87 Difference]: Start difference. First operand 1221 states and 1384 transitions. Second operand 6 states. [2020-07-21 13:51:23,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:51:23,657 INFO L93 Difference]: Finished difference Result 3336 states and 3777 transitions. [2020-07-21 13:51:23,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 13:51:23,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2020-07-21 13:51:23,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:51:23,658 INFO L225 Difference]: With dead ends: 3336 [2020-07-21 13:51:23,658 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:51:23,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:51:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:51:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:51:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:51:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:51:23,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-07-21 13:51:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:51:23,665 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:51:23,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 13:51:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:51:23,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:51:23,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:51:23,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:51:24,472 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-07-21 13:51:24,649 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-07-21 13:51:24,819 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-07-21 13:51:24,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:51:24,823 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 13:51:24,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:51:24,823 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 13:51:24,824 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,825 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 13:51:24,826 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:51:24,827 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2020-07-21 13:51:24,828 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 13:51:24,829 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 13:51:24,830 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 13:51:24,831 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,832 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 13:51:24,833 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,834 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:51:24,835 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 13:51:24,836 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,837 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 13:51:24,838 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,839 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 13:51:24,840 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 1 ~a25~0)) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse10 (not (<= 8 |old(~a17~0)|))) (.cse1 (<= ~a28~0 |old(~a28~0)|)) (.cse7 (<= ~a17~0 8)) (.cse8 (<= 8 ~a17~0)) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse11 (not (<= 10 |old(~a28~0)|))) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= 10 ~a28~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not (<= |old(~a17~0)| 8)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or (not (= 1 |old(~a19~0)|)) (and .cse1 .cse7 .cse8 .cse9 .cse2 .cse3) .cse10 .cse5 .cse11 .cse6) (or .cse4 .cse10 .cse6 (and .cse1 .cse7 .cse8 .cse2 .cse12)) (or .cse4 .cse11 (and .cse0 (<= ~a28~0 10) .cse9 .cse2 .cse12) .cse6))) [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,841 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 13:51:24,842 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 13:51:24,843 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,844 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 13:51:24,845 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 13:51:24,846 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-21 13:51:24,847 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:51:24,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:51:24,847 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|))) [2020-07-21 13:51:24,848 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a25~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (<= ~a28~0 10)) (.cse6 (<= 10 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= 8 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse3 .cse5 .cse6) (and .cse1 .cse5 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)))) [2020-07-21 13:51:24,848 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:51:24,848 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:51:24,848 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= 1 ~a25~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (<= ~a28~0 10)) (.cse6 (<= 10 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= 8 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse3 .cse5 .cse6) (and .cse1 .cse5 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)))) [2020-07-21 13:51:24,848 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 13:51:24,848 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 13:51:24,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:51:24 BoogieIcfgContainer [2020-07-21 13:51:24,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:51:24,870 INFO L168 Benchmark]: Toolchain (without parser) took 11838.83 ms. Allocated memory was 137.4 MB in the beginning and 371.2 MB in the end (delta: 233.8 MB). Free memory was 100.9 MB in the beginning and 308.4 MB in the end (delta: -207.6 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,871 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.89 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 168.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,872 INFO L168 Benchmark]: Boogie Preprocessor took 99.79 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 163.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,873 INFO L168 Benchmark]: RCFGBuilder took 1129.39 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 179.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,874 INFO L168 Benchmark]: TraceAbstraction took 9901.55 ms. Allocated memory was 232.3 MB in the beginning and 371.2 MB in the end (delta: 138.9 MB). Free memory was 178.1 MB in the beginning and 308.4 MB in the end (delta: -130.3 MB). Peak memory consumption was 235.1 MB. Max. memory is 7.1 GB. [2020-07-21 13:51:24,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.89 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 168.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.79 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 163.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1129.39 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 179.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9901.55 ms. Allocated memory was 232.3 MB in the beginning and 371.2 MB in the end (delta: 138.9 MB). Free memory was 178.1 MB in the beginning and 308.4 MB in the end (delta: -130.3 MB). Peak memory consumption was 235.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((1 == a19 && a17 <= 8) && 8 <= a17) && !(1 == \old(a25))) && 1 == a25) || !(1 == \old(a19))) || (((a17 <= 8 && !(1 == \old(a25))) && a28 <= 10) && 10 <= a28)) || (((a17 <= 8 && a28 <= 10) && !(1 == \old(a25))) && 1 == a25)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (((a17 <= 8 && 8 <= a17) && a28 <= 10) && !(1 == \old(a25)))) || (((1 == a19 && a17 <= 8) && a28 <= 10) && 10 <= a28)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= 8) && 8 <= a17) && a28 <= 7) && a25 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 2828 SDslu, 346 SDs, 0 SdLazy, 4014 SolverSat, 721 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1177 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1223occurred in iteration=5, 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, 7 MinimizatonAttempts, 194 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 86 NumberOfFragments, 395 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1900 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1010 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 294154 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2461 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 266/274 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...