/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:59:44,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:59:44,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:59:44,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 01:59:44,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 01:59:44,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 01:59:44,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 01:59:44,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 01:59:44,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 01:59:44,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 01:59:44,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 01:59:44,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 01:59:44,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:59:44,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:59:44,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:59:44,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:59:44,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:59:44,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:59:44,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:59:44,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:59:44,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:59:44,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:59:44,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:59:44,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:59:44,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:59:45,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:59:45,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:59:45,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:59:45,014 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 01:59:45,057 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:59:45,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:59:45,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:59:45,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:59:45,059 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:59:45,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:59:45,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:59:45,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:59:45,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:59:45,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:59:45,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:59:45,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:59:45,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:59:45,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:59:45,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:59:45,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:59:45,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:59:45,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:59:45,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:59:45,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:59:45,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:59:45,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:59:45,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:59:45,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:59:45,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:59:45,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:59:45,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:59:45,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:59:45,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:59:45,070 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 -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:59:45,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:59:45,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:59:45,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:59:45,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:59:45,392 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:59:45,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 01:59:45,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd76937/c8e0d5bc618b474abc00560ffc5aa09b/FLAG7b2f8ace6 [2020-07-21 01:59:46,003 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:59:46,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 01:59:46,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd76937/c8e0d5bc618b474abc00560ffc5aa09b/FLAG7b2f8ace6 [2020-07-21 01:59:46,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd76937/c8e0d5bc618b474abc00560ffc5aa09b [2020-07-21 01:59:46,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:59:46,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:59:46,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:59:46,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:59:46,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:59:46,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:46" (1/1) ... [2020-07-21 01:59:46,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c5f245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:46, skipping insertion in model container [2020-07-21 01:59:46,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:46" (1/1) ... [2020-07-21 01:59:46,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:59:46,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:59:46,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:59:46,927 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:59:47,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:59:47,091 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:59:47,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47 WrapperNode [2020-07-21 01:59:47,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:59:47,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:59:47,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:59:47,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:59:47,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (1/1) ... [2020-07-21 01:59:47,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:59:47,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:59:47,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:59:47,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:59:47,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (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 01:59:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:59:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:59:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:59:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:59:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 01:59:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 01:59:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:59:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 01:59:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 01:59:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 01:59:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 01:59:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 01:59:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 01:59:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:59:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:59:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 01:59:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 01:59:50,563 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:59:50,564 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 01:59:50,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:59:50 BoogieIcfgContainer [2020-07-21 01:59:50,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:59:50,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:59:50,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:59:50,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:59:50,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:59:46" (1/3) ... [2020-07-21 01:59:50,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb2011a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:59:50, skipping insertion in model container [2020-07-21 01:59:50,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:47" (2/3) ... [2020-07-21 01:59:50,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb2011a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:59:50, skipping insertion in model container [2020-07-21 01:59:50,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:59:50" (3/3) ... [2020-07-21 01:59:50,597 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-07-21 01:59:50,633 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:59:50,654 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:59:50,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:59:50,724 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:59:50,724 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:59:50,724 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:59:50,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:59:50,725 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:59:50,725 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:59:50,725 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:59:50,725 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:59:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 01:59:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-21 01:59:50,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:59:50,762 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] [2020-07-21 01:59:50,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:59:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:59:50,771 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-07-21 01:59:50,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:59:50,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111026720] [2020-07-21 01:59:50,783 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:00:25,143 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:00:25,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:00:25,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 02:00:25,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:00:25,666 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 02:00:25,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 02:00:25,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111026720] [2020-07-21 02:00:25,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 02:00:25,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-21 02:00:25,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289730898] [2020-07-21 02:00:25,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 02:00:25,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:00:25,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 02:00:25,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-21 02:00:25,707 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 13 states. [2020-07-21 02:00:46,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:00:46,239 INFO L93 Difference]: Finished difference Result 90 states and 134 transitions. [2020-07-21 02:00:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 02:00:46,242 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-07-21 02:00:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:00:46,260 INFO L225 Difference]: With dead ends: 90 [2020-07-21 02:00:46,260 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 02:00:46,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-21 02:00:46,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 02:00:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-21 02:00:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-21 02:00:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-07-21 02:00:46,349 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-07-21 02:00:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:00:46,350 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-07-21 02:00:46,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 02:00:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-07-21 02:00:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 02:00:46,353 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:00:46,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 02:00:46,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:00:46,556 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:00:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:00:46,557 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-07-21 02:00:46,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:00:46,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080832345] [2020-07-21 02:00:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:01:16,178 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:01:16,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:01:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 02:01:16,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:01:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:01:16,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:01:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:01:25,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080832345] [2020-07-21 02:01:25,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:01:25,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 02:01:25,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328802323] [2020-07-21 02:01:25,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 02:01:25,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:01:25,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 02:01:25,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=475, Unknown=4, NotChecked=0, Total=650 [2020-07-21 02:01:25,558 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 26 states. [2020-07-21 02:01:38,848 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 02:01:46,029 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 02:01:50,363 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2020-07-21 02:02:00,011 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 02:02:04,814 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 02:02:13,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:02:13,602 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2020-07-21 02:02:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 02:02:13,605 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 53 [2020-07-21 02:02:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:02:13,607 INFO L225 Difference]: With dead ends: 92 [2020-07-21 02:02:13,608 INFO L226 Difference]: Without dead ends: 89 [2020-07-21 02:02:13,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=629, Invalid=1811, Unknown=10, NotChecked=0, Total=2450 [2020-07-21 02:02:13,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-21 02:02:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-21 02:02:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 02:02:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2020-07-21 02:02:13,623 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 53 [2020-07-21 02:02:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:02:13,624 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2020-07-21 02:02:13,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 02:02:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2020-07-21 02:02:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 02:02:13,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:02:13,628 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:13,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:02:13,830 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:02:13,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:02:13,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2092963642, now seen corresponding path program 2 times [2020-07-21 02:02:13,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:02:13,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456402660] [2020-07-21 02:02:13,833 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:02:38,596 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:02:38,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:02:38,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 39 conjunts are in the unsatisfiable core [2020-07-21 02:02:38,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:02:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:02:39,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:03:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 158 refuted. 6 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:03:01,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456402660] [2020-07-21 02:03:01,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:03:01,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2020-07-21 02:03:01,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455052223] [2020-07-21 02:03:01,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-21 02:03:01,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:03:01,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-21 02:03:01,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=1148, Unknown=10, NotChecked=0, Total=1560 [2020-07-21 02:03:01,170 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 40 states. [2020-07-21 02:03:22,554 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 13 [2020-07-21 02:03:24,903 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 02:03:28,326 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 02:03:32,302 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 02:03:40,348 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 02:03:51,636 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 02:04:05,146 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 02:04:10,047 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 02:04:13,867 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 02:04:22,493 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 02:04:28,963 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 02:04:36,687 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 02:04:39,966 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 02:04:59,117 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 02:05:24,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:05:24,331 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2020-07-21 02:05:24,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-21 02:05:24,332 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 88 [2020-07-21 02:05:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:05:24,335 INFO L225 Difference]: With dead ends: 189 [2020-07-21 02:05:24,336 INFO L226 Difference]: Without dead ends: 186 [2020-07-21 02:05:24,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 138 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 130.5s TimeCoverageRelationStatistics Valid=1582, Invalid=4406, Unknown=18, NotChecked=0, Total=6006 [2020-07-21 02:05:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-21 02:05:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2020-07-21 02:05:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-21 02:05:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2020-07-21 02:05:24,357 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 88 [2020-07-21 02:05:24,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:05:24,358 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2020-07-21 02:05:24,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-21 02:05:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2020-07-21 02:05:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 02:05:24,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:05:24,362 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:24,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:05:24,571 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:05:24,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:05:24,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1687356201, now seen corresponding path program 3 times [2020-07-21 02:05:24,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:05:24,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482645817] [2020-07-21 02:05:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:06:45,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:06:45,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:06:45,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 77 conjunts are in the unsatisfiable core [2020-07-21 02:06:45,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:06:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:06:47,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:07:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:07:13,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482645817] [2020-07-21 02:07:13,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:07:13,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 78 [2020-07-21 02:07:13,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587907001] [2020-07-21 02:07:13,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 78 states [2020-07-21 02:07:13,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:07:13,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2020-07-21 02:07:13,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=4968, Unknown=11, NotChecked=0, Total=6006 [2020-07-21 02:07:13,703 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 78 states. [2020-07-21 02:07:52,461 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2020-07-21 02:08:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:08:01,252 INFO L93 Difference]: Finished difference Result 219 states and 224 transitions. [2020-07-21 02:08:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 02:08:01,253 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 183 [2020-07-21 02:08:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:08:01,257 INFO L225 Difference]: With dead ends: 219 [2020-07-21 02:08:01,258 INFO L226 Difference]: Without dead ends: 216 [2020-07-21 02:08:01,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1638 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=2305, Invalid=12440, Unknown=17, NotChecked=0, Total=14762 [2020-07-21 02:08:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-21 02:08:01,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 214. [2020-07-21 02:08:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-21 02:08:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2020-07-21 02:08:01,280 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 183 [2020-07-21 02:08:01,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:08:01,281 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2020-07-21 02:08:01,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 78 states. [2020-07-21 02:08:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2020-07-21 02:08:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-21 02:08:01,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:08:01,289 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:01,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:08:01,498 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:08:01,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:08:01,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1730716041, now seen corresponding path program 4 times [2020-07-21 02:08:01,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:08:01,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119185971] [2020-07-21 02:08:01,501 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:09:04,727 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:09:04,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:09:05,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 138 conjunts are in the unsatisfiable core [2020-07-21 02:09:05,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:09:07,294 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-07-21 02:09:07,295 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 02:09:07,302 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 02:09:07,302 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 02:09:07,303 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 02:09:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:09:07,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:09:07,647 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 02:09:07,647 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 02:10:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2630 refuted. 10 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:10:44,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119185971] [2020-07-21 02:10:44,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:10:44,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 02:10:44,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192642563] [2020-07-21 02:10:44,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 02:10:44,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:10:44,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 02:10:44,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7063, Unknown=41, NotChecked=0, Total=8190 [2020-07-21 02:10:44,006 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 91 states. [2020-07-21 02:11:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:11:37,852 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2020-07-21 02:11:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 02:11:37,852 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 213 [2020-07-21 02:11:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:11:37,853 INFO L225 Difference]: With dead ends: 216 [2020-07-21 02:11:37,854 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 02:11:37,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 98.2s TimeCoverageRelationStatistics Valid=1185, Invalid=7330, Unknown=41, NotChecked=0, Total=8556 [2020-07-21 02:11:37,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 02:11:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 02:11:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 02:11:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 02:11:37,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-07-21 02:11:37,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:11:37,859 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 02:11:37,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 02:11:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 02:11:37,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 02:11:38,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:11:38,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 02:11:38,296 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2020-07-21 02:11:39,758 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 378 DAG size of output: 144 [2020-07-21 02:11:39,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 02:11:39,763 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 02:11:39,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (< (mod ~Id_MCDC_93~0 4294967296) 42) [2020-07-21 02:11:39,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point L275(lines 275 568) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point L242(lines 242 586) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point L234(lines 234 592) no Hoare annotation was computed. [2020-07-21 02:11:39,764 INFO L268 CegarLoopResult]: For program point L284(lines 284 563) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L301(lines 301 551) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L268(lines 268 569) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L260(lines 260 575) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L310(lines 310 546) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L327(lines 327 534) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L294(lines 294 552) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L162(lines 162 633) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L268 CegarLoopResult]: For program point L286(lines 286 558) no Hoare annotation was computed. [2020-07-21 02:11:39,765 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (< (mod ~Id_MCDC_93~0 4294967296) 42) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42))) [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L336(lines 336 529) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L353(lines 353 517) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L320(lines 320 535) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L312(lines 312 541) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L180(lines 180 631) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L362(lines 362 512) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L197(lines 197 619) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L379(lines 379 500) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L346(lines 346 518) no Hoare annotation was computed. [2020-07-21 02:11:39,766 INFO L268 CegarLoopResult]: For program point L338(lines 338 524) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L206(lines 206 614) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L421(lines 421 478) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L388(lines 388 495) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L223(lines 223 602) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L190(lines 190 620) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L264 CegarLoopResult]: At program point L446(lines 406 479) the Hoare annotation is: (let ((.cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse0 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 36 ~Id_MCDC_93~0) (= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and (= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (= 10 ~Id_MCDC_93~0) .cse0) (and .cse0 .cse2 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (= 17 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42)) (and .cse0 .cse1 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)))) [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L182(lines 182 626) no Hoare annotation was computed. [2020-07-21 02:11:39,767 INFO L268 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L405(lines 405 483) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L372(lines 372 501) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L364(lines 364 507) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L232(lines 232 597) no Hoare annotation was computed. [2020-07-21 02:11:39,768 INFO L268 CegarLoopResult]: For program point L249(lines 249 585) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L216(lines 216 603) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L208(lines 208 609) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L398(lines 398 484) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L423(lines 423 473) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L390(lines 390 490) no Hoare annotation was computed. [2020-07-21 02:11:39,769 INFO L268 CegarLoopResult]: For program point L258(lines 258 580) no Hoare annotation was computed. [2020-07-21 02:11:39,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:11:39 BoogieIcfgContainer [2020-07-21 02:11:39,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 02:11:39,831 INFO L168 Benchmark]: Toolchain (without parser) took 713495.52 ms. Allocated memory was 145.2 MB in the beginning and 226.5 MB in the end (delta: 81.3 MB). Free memory was 102.2 MB in the beginning and 135.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,832 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.81 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 177.0 MB in the end (delta: -75.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,833 INFO L168 Benchmark]: Boogie Preprocessor took 113.64 ms. Allocated memory is still 205.5 MB. Free memory was 177.0 MB in the beginning and 171.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,834 INFO L168 Benchmark]: RCFGBuilder took 3367.87 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 171.4 MB in the beginning and 187.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,835 INFO L168 Benchmark]: TraceAbstraction took 709252.17 ms. Allocated memory was 237.5 MB in the beginning and 226.5 MB in the end (delta: -11.0 MB). Free memory was 187.8 MB in the beginning and 135.5 MB in the end (delta: 52.3 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. [2020-07-21 02:11:39,839 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.81 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 177.0 MB in the end (delta: -75.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.64 ms. Allocated memory is still 205.5 MB. Free memory was 177.0 MB in the beginning and 171.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3367.87 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 171.4 MB in the beginning and 187.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 709252.17 ms. Allocated memory was 237.5 MB in the beginning and 226.5 MB in the end (delta: -11.0 MB). Free memory was 187.8 MB in the beginning and 135.5 MB in the end (delta: 52.3 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: 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: 406]: Loop Invariant [2020-07-21 02:11:39,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:11:39,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((((((((((((((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42) || ((31 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 13 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 14 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 23 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 39 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 9 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 36 == Id_MCDC_93) && 37 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 17 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 28 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 34 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 24 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((11 == Id_MCDC_89__Id_MCDC_96 && 10 == Id_MCDC_93) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 33 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 15 == Id_MCDC_89__Id_MCDC_96)) || ((18 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 17 == Id_MCDC_93)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 16 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 36 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 40 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 35 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 41 == Id_MCDC_89__Id_MCDC_96)) || !(\old(Id_MCDC_93) % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 12 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 21 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 25 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 20 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 10 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 19 == Id_MCDC_89__Id_MCDC_96)) || ((27 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 38 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 26 == Id_MCDC_89__Id_MCDC_96) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 707.3s, OverallIterations: 5, TraceHistogramMax: 34, AutomataDifference: 313.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 3962 SDslu, 5555 SDs, 0 SdLazy, 14754 SolverSat, 1449 SolverUnsat, 70 SolverUnknown, 0 SolverNotchecked, 151.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1233 GetRequests, 881 SyntacticMatches, 5 SemanticMatches, 347 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2900 ImplicationChecksByTransitivity, 312.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 38 NumberOfFragments, 614 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 703 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 232.4s SatisfiabilityAnalysisTime, 159.8s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1113 ConstructedInterpolants, 0 QuantifiedInterpolants, 2036419 SizeOfPredicates, 37 NumberOfNonLiveVariables, 6537 ConjunctsInSsa, 302 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 198/9484 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...