/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:00:58,261 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 20:00:58,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:00:58,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:00:58,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:00:58,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:00:58,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:00:58,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:00:58,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:00:58,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:00:58,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:00:58,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:00:58,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:00:58,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:00:58,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:00:58,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:00:58,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:00:58,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:00:58,314 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 20:00:58,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:00:58,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:00:58,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:00:58,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:00:58,334 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:00:58,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:00:58,334 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:00:58,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:00:58,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:00:58,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:00:58,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:00:58,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:00:58,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:00:58,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:00:58,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:00:58,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:00:58,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:00:58,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:00:58,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:00:58,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:00:58,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:00:58,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:00:58,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:00:58,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:00:58,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:00:58,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:00:58,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:00:58,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:00:58,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:00:58,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:00:58,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:00:58,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:00:58,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:00:58,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:00:58,651 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:00:58,652 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-21 20:00:58,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a676df2c/82fd9177d0c4410fb04f7d6134a14c59/FLAGa66f411d3 [2020-07-21 20:00:59,226 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:00:59,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-21 20:00:59,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a676df2c/82fd9177d0c4410fb04f7d6134a14c59/FLAGa66f411d3 [2020-07-21 20:00:59,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a676df2c/82fd9177d0c4410fb04f7d6134a14c59 [2020-07-21 20:00:59,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:00:59,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:00:59,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:00:59,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:00:59,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:00:59,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:00:59,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28715b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59, skipping insertion in model container [2020-07-21 20:00:59,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:00:59,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:00:59,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:00:59,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:00:59,953 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:00:59,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:00:59,989 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:00:59,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59 WrapperNode [2020-07-21 20:00:59,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:00:59,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:00:59,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:00:59,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:01:00,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (1/1) ... [2020-07-21 20:01:00,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:01:00,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:01:00,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:01:00,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:01:00,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (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 20:01:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:01:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:01:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-21 20:01:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2020-07-21 20:01:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:01:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:01:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-21 20:01:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 20:01:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 20:01:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 20:01:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:01:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:01:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:01:00,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:01:00,427 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 20:01:00,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:01:00 BoogieIcfgContainer [2020-07-21 20:01:00,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:01:00,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:01:00,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:01:00,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:01:00,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:00:59" (1/3) ... [2020-07-21 20:01:00,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067c0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:01:00, skipping insertion in model container [2020-07-21 20:01:00,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:00:59" (2/3) ... [2020-07-21 20:01:00,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067c0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:01:00, skipping insertion in model container [2020-07-21 20:01:00,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:01:00" (3/3) ... [2020-07-21 20:01:00,443 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2020-07-21 20:01:00,456 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:01:00,464 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:01:00,480 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:01:00,506 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:01:00,507 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:01:00,507 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:01:00,507 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:01:00,507 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:01:00,508 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:01:00,508 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:01:00,508 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:01:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-21 20:01:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-21 20:01:00,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:01:00,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:01:00,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:01:00,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:01:00,574 INFO L82 PathProgramCache]: Analyzing trace with hash -457594768, now seen corresponding path program 1 times [2020-07-21 20:01:00,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:01:00,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544241187] [2020-07-21 20:01:00,587 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 20:01:00,753 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:01:00,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:01:00,760 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 86 conjunts are in the unsatisfiable core [2020-07-21 20:01:00,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:01:00,910 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:00,911 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 59 [2020-07-21 20:01:00,920 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-07-21 20:01:00,921 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:01:00,924 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-21 20:01:00,925 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:01:00,929 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 20:01:01,051 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-07-21 20:01:01,053 INFO L624 ElimStorePlain]: treesize reduction 50, result has 56.5 percent of original size [2020-07-21 20:01:01,054 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:65 [2020-07-21 20:01:01,157 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_BEFORE_CALL_2|, |v_#memory_$Pointer$.offset_BEFORE_CALL_2|], 2=[|v_#memory_int_BEFORE_CALL_2|]} [2020-07-21 20:01:01,168 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 20:01:01,169 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,201 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,210 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 20:01:01,212 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,236 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,244 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 20:01:01,245 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,269 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,270 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,271 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:17 [2020-07-21 20:01:01,438 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_BEFORE_CALL_3|, |v_#memory_$Pointer$.base_BEFORE_CALL_3|], 12=[|v_#memory_int_BEFORE_CALL_5|]} [2020-07-21 20:01:01,446 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2020-07-21 20:01:01,447 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,472 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,479 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2020-07-21 20:01:01,480 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,495 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,504 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2020-07-21 20:01:01,505 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,517 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,518 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,518 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:93, output treesize:26 [2020-07-21 20:01:01,551 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2020-07-21 20:01:01,552 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,558 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:01:01,559 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:01:01,559 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2020-07-21 20:01:01,583 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 20:01:01,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:01:01,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544241187] [2020-07-21 20:01:01,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:01:01,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 20:01:01,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924511363] [2020-07-21 20:01:01,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 20:01:01,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:01:01,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 20:01:01,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 20:01:01,609 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2020-07-21 20:01:02,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:01:02,015 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-21 20:01:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 20:01:02,018 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-21 20:01:02,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:01:02,027 INFO L225 Difference]: With dead ends: 27 [2020-07-21 20:01:02,027 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:01:02,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-07-21 20:01:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:01:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:01:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:01:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:01:02,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-21 20:01:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:01:02,093 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:01:02,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 20:01:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:01:02,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:01:02,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:01:02,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:01:02,567 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-07-21 20:01:02,773 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-07-21 20:01:02,888 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2020-07-21 20:01:03,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:01:03,016 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:01:03,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:01:03,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:01:03,016 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (and (= 0 |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= 0 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= 1 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (not (= |~#b~0.base| |~#global~0.base|)) (= |~#global~0.offset| 0) (= |~#a~0.base| (select .cse1 |~#global~0.offset|)) (= |~#b~0.base| (select .cse1 .cse2)) (not (= |~#global~0.base| |~#a~0.base|)) (= (select .cse0 .cse2) |~#b~0.offset|))) [2020-07-21 20:01:03,017 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:01:03,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:01:03,017 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2020-07-21 20:01:03,017 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (= |~#b~0.base| |~#global~0.base|) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (= |~#global~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse0 .cse2))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 |~#b~0.offset|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-21 20:01:03,018 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2020-07-21 20:01:03,018 INFO L264 CegarLoopResult]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (not (= 0 |~#global~0.offset|)) (not (= 0 |~#b~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (= |~#a~0.base| |~#global~0.base|) (= |~#global~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2020-07-21 20:01:03,018 INFO L268 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-07-21 20:01:03,018 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2020-07-21 20:01:03,019 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (= |~#b~0.base| |~#global~0.base|) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (= |~#global~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse0 .cse2))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (not (= 0 |~#b~0.offset|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (let ((.cse3 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse4 (select |#memory_$Pointer$.offset| main_~pd~0.base))) (and (not (= |~#a~0.base| main_~pd~0.base)) (= 0 main_~pd~0.offset) (= (select .cse3 0) |~#a~0.base|) (= |~#a~0.offset| (select .cse4 0)) (not (= |~#b~0.base| main_~pd~0.base)) (= |~#b~0.base| (select .cse3 4)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.offset| (select .cse4 4)))))) [2020-07-21 20:01:03,019 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-21 20:01:03,019 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (= |~#b~0.base| |~#global~0.base|) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (= |~#global~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse0 .cse2))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (and (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.base|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 |~#b~0.offset|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-21 20:01:03,019 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-07-21 20:01:03,020 INFO L268 CegarLoopResult]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2020-07-21 20:01:03,020 INFO L264 CegarLoopResult]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (= |~#b~0.base| |~#global~0.base|) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (= |~#global~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse0 .cse2))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 |~#b~0.offset|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-21 20:01:03,020 INFO L268 CegarLoopResult]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2020-07-21 20:01:03,020 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2020-07-21 20:01:03,020 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (= |~#b~0.base| |~#global~0.base|) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= 1 (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|))) (= |~#global~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse0 .cse2))) (not (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 |~#b~0.offset|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-21 20:01:03,021 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2020-07-21 20:01:03,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:01:03 BoogieIcfgContainer [2020-07-21 20:01:03,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:01:03,059 INFO L168 Benchmark]: Toolchain (without parser) took 3329.31 ms. Allocated memory was 144.2 MB in the beginning and 250.1 MB in the end (delta: 105.9 MB). Free memory was 100.6 MB in the beginning and 166.1 MB in the end (delta: -65.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,061 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.55 ms. Allocated memory is still 144.2 MB. Free memory was 100.2 MB in the beginning and 90.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,063 INFO L168 Benchmark]: Boogie Preprocessor took 129.02 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 90.1 MB in the beginning and 178.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,069 INFO L168 Benchmark]: RCFGBuilder took 312.99 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 162.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,070 INFO L168 Benchmark]: TraceAbstraction took 2620.45 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 161.7 MB in the beginning and 166.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:01:03,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.55 ms. Allocated memory is still 144.2 MB. Free memory was 100.2 MB in the beginning and 90.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.02 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 90.1 MB in the beginning and 178.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.99 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 162.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2620.45 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 161.7 MB in the beginning and 166.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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: 20]: Loop Invariant [2020-07-21 20:01:03,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:01:03,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:01:03,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:01:03,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:01:03,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((!(1 == \old(unknown-#memory_int-unknown)[a][a]) || !(0 == global)) || !(0 == b)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || a == b) || a == global) || global == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(0 == \old(unknown-#memory_int-unknown)[b][b])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 9 SDslu, 48 SDs, 0 SdLazy, 104 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 604 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 320 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 10166 SizeOfPredicates, 28 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...