/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/nested9.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:24:19,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:24:19,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:24:19,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:24:19,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:24:19,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:24:19,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:24:19,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:24:19,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:24:19,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:24:19,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:24:19,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:24:19,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:24:19,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:24:19,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:24:19,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:24:19,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:24:19,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:24:19,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:24:19,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:24:19,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:24:19,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:24:19,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:24:19,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:24:19,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:24:19,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:24:19,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:24:19,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:24:19,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 20:24:19,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:24:19,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:24:19,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:24:19,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:24:19,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:24:19,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:24:19,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:24:19,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:24:19,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:24:19,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:24:19,674 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:24:19,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:24:19,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:24:19,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:24:19,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:24:19,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:24:19,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:24:19,675 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:24:19,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:24:19,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:24:19,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:24:19,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:24:20,000 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:24:20,000 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested9.i [2020-07-10 20:24:20,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea375a314/f50f10c47df7468d922964faf7cd68bf/FLAG4eee421cc [2020-07-10 20:24:20,579 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:24:20,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested9.i [2020-07-10 20:24:20,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea375a314/f50f10c47df7468d922964faf7cd68bf/FLAG4eee421cc [2020-07-10 20:24:20,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea375a314/f50f10c47df7468d922964faf7cd68bf [2020-07-10 20:24:20,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:24:20,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:24:20,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:24:20,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:24:20,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:24:20,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:24:20" (1/1) ... [2020-07-10 20:24:20,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e959922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:20, skipping insertion in model container [2020-07-10 20:24:20,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:24:20" (1/1) ... [2020-07-10 20:24:20,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:24:20,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:24:21,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:24:21,153 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:24:21,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:24:21,205 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:24:21,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21 WrapperNode [2020-07-10 20:24:21,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:24:21,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:24:21,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:24:21,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:24:21,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (1/1) ... [2020-07-10 20:24:21,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:24:21,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:24:21,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:24:21,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:24:21,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (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 [2020-07-10 20:24:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:24:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:24:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:24:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:24:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:24:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:24:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:24:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:24:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:24:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:24:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:24:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:24:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:24:21,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:24:21,938 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-10 20:24:21,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:24:21 BoogieIcfgContainer [2020-07-10 20:24:21,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:24:21,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:24:21,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:24:21,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:24:21,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:24:20" (1/3) ... [2020-07-10 20:24:21,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f9a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:24:21, skipping insertion in model container [2020-07-10 20:24:21,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:24:21" (2/3) ... [2020-07-10 20:24:21,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f9a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:24:21, skipping insertion in model container [2020-07-10 20:24:21,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:24:21" (3/3) ... [2020-07-10 20:24:21,953 INFO L109 eAbstractionObserver]: Analyzing ICFG nested9.i [2020-07-10 20:24:21,964 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:24:21,972 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:24:21,987 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:24:22,010 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:24:22,010 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:24:22,010 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:24:22,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:24:22,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:24:22,011 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:24:22,011 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:24:22,011 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:24:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2020-07-10 20:24:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-10 20:24:22,038 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:24:22,039 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] [2020-07-10 20:24:22,039 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:24:22,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:24:22,045 INFO L82 PathProgramCache]: Analyzing trace with hash -980226087, now seen corresponding path program 1 times [2020-07-10 20:24:22,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:24:22,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381318689] [2020-07-10 20:24:22,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:24:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:24:22,426 INFO L280 TraceCheckUtils]: 0: Hoare triple {67#(= ~__BLAST_NONDET~0 |old(~__BLAST_NONDET~0)|)} ~__BLAST_NONDET~0 := 0; {57#true} is VALID [2020-07-10 20:24:22,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#true} assume true; {57#true} is VALID [2020-07-10 20:24:22,427 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {57#true} {57#true} #111#return; {57#true} is VALID [2020-07-10 20:24:22,432 INFO L263 TraceCheckUtils]: 0: Hoare triple {57#true} call ULTIMATE.init(); {67#(= ~__BLAST_NONDET~0 |old(~__BLAST_NONDET~0)|)} is VALID [2020-07-10 20:24:22,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {67#(= ~__BLAST_NONDET~0 |old(~__BLAST_NONDET~0)|)} ~__BLAST_NONDET~0 := 0; {57#true} is VALID [2020-07-10 20:24:22,432 INFO L280 TraceCheckUtils]: 2: Hoare triple {57#true} assume true; {57#true} is VALID [2020-07-10 20:24:22,433 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {57#true} {57#true} #111#return; {57#true} is VALID [2020-07-10 20:24:22,433 INFO L263 TraceCheckUtils]: 4: Hoare triple {57#true} call #t~ret6 := main(); {57#true} is VALID [2020-07-10 20:24:22,433 INFO L280 TraceCheckUtils]: 5: Hoare triple {57#true} havoc ~i~0; {57#true} is VALID [2020-07-10 20:24:22,434 INFO L280 TraceCheckUtils]: 6: Hoare triple {57#true} havoc ~j~0; {57#true} is VALID [2020-07-10 20:24:22,434 INFO L280 TraceCheckUtils]: 7: Hoare triple {57#true} havoc ~k~0; {57#true} is VALID [2020-07-10 20:24:22,434 INFO L280 TraceCheckUtils]: 8: Hoare triple {57#true} havoc ~n~0; {57#true} is VALID [2020-07-10 20:24:22,435 INFO L280 TraceCheckUtils]: 9: Hoare triple {57#true} havoc ~l~0; {57#true} is VALID [2020-07-10 20:24:22,435 INFO L280 TraceCheckUtils]: 10: Hoare triple {57#true} havoc ~m~0; {57#true} is VALID [2020-07-10 20:24:22,436 INFO L280 TraceCheckUtils]: 11: Hoare triple {57#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {57#true} is VALID [2020-07-10 20:24:22,436 INFO L280 TraceCheckUtils]: 12: Hoare triple {57#true} ~n~0 := #t~nondet0; {57#true} is VALID [2020-07-10 20:24:22,437 INFO L280 TraceCheckUtils]: 13: Hoare triple {57#true} havoc #t~nondet0; {57#true} is VALID [2020-07-10 20:24:22,437 INFO L280 TraceCheckUtils]: 14: Hoare triple {57#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {57#true} is VALID [2020-07-10 20:24:22,437 INFO L280 TraceCheckUtils]: 15: Hoare triple {57#true} ~m~0 := #t~nondet1; {57#true} is VALID [2020-07-10 20:24:22,438 INFO L280 TraceCheckUtils]: 16: Hoare triple {57#true} havoc #t~nondet1; {57#true} is VALID [2020-07-10 20:24:22,438 INFO L280 TraceCheckUtils]: 17: Hoare triple {57#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {57#true} is VALID [2020-07-10 20:24:22,439 INFO L280 TraceCheckUtils]: 18: Hoare triple {57#true} ~l~0 := #t~nondet2; {57#true} is VALID [2020-07-10 20:24:22,439 INFO L280 TraceCheckUtils]: 19: Hoare triple {57#true} havoc #t~nondet2; {57#true} is VALID [2020-07-10 20:24:22,440 INFO L280 TraceCheckUtils]: 20: Hoare triple {57#true} assume !!(-1000000 < ~n~0 && ~n~0 < 1000000); {57#true} is VALID [2020-07-10 20:24:22,440 INFO L280 TraceCheckUtils]: 21: Hoare triple {57#true} assume !!(-1000000 < ~m~0 && ~m~0 < 1000000); {57#true} is VALID [2020-07-10 20:24:22,441 INFO L280 TraceCheckUtils]: 22: Hoare triple {57#true} assume !!(-1000000 < ~l~0 && ~l~0 < 1000000); {57#true} is VALID [2020-07-10 20:24:22,441 INFO L280 TraceCheckUtils]: 23: Hoare triple {57#true} assume 3 * ~n~0 <= ~m~0 + ~l~0; {57#true} is VALID [2020-07-10 20:24:22,442 INFO L280 TraceCheckUtils]: 24: Hoare triple {57#true} ~i~0 := 0; {57#true} is VALID [2020-07-10 20:24:22,443 INFO L280 TraceCheckUtils]: 25: Hoare triple {57#true} assume !!(~i~0 < ~n~0); {62#(<= (+ main_~i~0 1) main_~n~0)} is VALID [2020-07-10 20:24:22,444 INFO L280 TraceCheckUtils]: 26: Hoare triple {62#(<= (+ main_~i~0 1) main_~n~0)} ~j~0 := 2 * ~i~0; {62#(<= (+ main_~i~0 1) main_~n~0)} is VALID [2020-07-10 20:24:22,446 INFO L280 TraceCheckUtils]: 27: Hoare triple {62#(<= (+ main_~i~0 1) main_~n~0)} assume !!(~j~0 < 3 * ~i~0); {63#(<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))} is VALID [2020-07-10 20:24:22,448 INFO L280 TraceCheckUtils]: 28: Hoare triple {63#(<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))} ~k~0 := ~i~0; {63#(<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))} is VALID [2020-07-10 20:24:22,450 INFO L280 TraceCheckUtils]: 29: Hoare triple {63#(<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))} assume !!(~k~0 < ~j~0); {64#(<= (+ main_~k~0 4) (+ main_~i~0 (* 2 main_~n~0)))} is VALID [2020-07-10 20:24:22,454 INFO L263 TraceCheckUtils]: 30: Hoare triple {64#(<= (+ main_~k~0 4) (+ main_~i~0 (* 2 main_~n~0)))} call __VERIFIER_assert((if ~k~0 - ~i~0 <= 2 * ~n~0 then 1 else 0)); {65#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-10 20:24:22,457 INFO L280 TraceCheckUtils]: 31: Hoare triple {65#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {66#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-10 20:24:22,458 INFO L280 TraceCheckUtils]: 32: Hoare triple {66#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {58#false} is VALID [2020-07-10 20:24:22,459 INFO L280 TraceCheckUtils]: 33: Hoare triple {58#false} assume !false; {58#false} is VALID [2020-07-10 20:24:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 20:24:22,466 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:24:22,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381318689] [2020-07-10 20:24:22,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:24:22,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 20:24:22,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551652588] [2020-07-10 20:24:22,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-07-10 20:24:22,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:24:22,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 20:24:22,548 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:22,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 20:24:22,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:24:22,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 20:24:22,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-10 20:24:22,563 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 8 states. [2020-07-10 20:24:23,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:23,635 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2020-07-10 20:24:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 20:24:23,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-07-10 20:24:23,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:24:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:24:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-10 20:24:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 20:24:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-10 20:24:23,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 95 transitions. [2020-07-10 20:24:23,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:23,828 INFO L225 Difference]: With dead ends: 78 [2020-07-10 20:24:23,829 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 20:24:23,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-07-10 20:24:23,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 20:24:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 20:24:23,873 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:24:23,874 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:23,874 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:23,874 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:23,875 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:24:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:23,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:23,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:23,877 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:23,877 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:24:23,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:24:23,877 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:24:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:23,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:23,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:24:23,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:24:23,879 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:24:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 20:24:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 20:24:23,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-07-10 20:24:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:24:23,882 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 20:24:23,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 20:24:23,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 20:24:23,892 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:24:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:24:23,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:24:23,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:24:23,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 20:24:24,324 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,325 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~__BLAST_NONDET~0 |old(~__BLAST_NONDET~0)|) [2020-07-10 20:24:24,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,325 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,326 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:24:24,326 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:24:24,326 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:24:24,326 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-10 20:24:24,326 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-10 20:24:24,326 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:24:24,327 INFO L271 CegarLoopResult]: At program point L27(lines 14 29) the Hoare annotation is: true [2020-07-10 20:24:24,327 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 14 29) the Hoare annotation is: true [2020-07-10 20:24:24,327 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 26) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0) [2020-07-10 20:24:24,327 INFO L264 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0) [2020-07-10 20:24:24,327 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L23-5(lines 23 26) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: true [2020-07-10 20:24:24,328 INFO L271 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: true [2020-07-10 20:24:24,329 INFO L271 CegarLoopResult]: At program point L15-3(line 15) the Hoare annotation is: true [2020-07-10 20:24:24,329 INFO L271 CegarLoopResult]: At program point L15-4(line 15) the Hoare annotation is: true [2020-07-10 20:24:24,329 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0) [2020-07-10 20:24:24,329 INFO L264 CegarLoopResult]: At program point L24-3(lines 24 26) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))) [2020-07-10 20:24:24,329 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-10 20:24:24,330 INFO L264 CegarLoopResult]: At program point L24-4(line 24) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))) [2020-07-10 20:24:24,330 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-10 20:24:24,330 INFO L264 CegarLoopResult]: At program point L24-5(line 24) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0) [2020-07-10 20:24:24,330 INFO L264 CegarLoopResult]: At program point L24-6(lines 24 26) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0) [2020-07-10 20:24:24,330 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-10 20:24:24,331 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-07-10 20:24:24,331 INFO L271 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: true [2020-07-10 20:24:24,331 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))) [2020-07-10 20:24:24,331 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~k~0 4) .cse0) (<= (+ main_~j~0 3) .cse0))) [2020-07-10 20:24:24,331 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-10 20:24:24,332 INFO L264 CegarLoopResult]: At program point L25-4(line 25) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))) [2020-07-10 20:24:24,332 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-10 20:24:24,332 INFO L264 CegarLoopResult]: At program point L25-5(lines 25 26) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0)))) [2020-07-10 20:24:24,332 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-10 20:24:24,332 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-07-10 20:24:24,332 INFO L271 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: true [2020-07-10 20:24:24,333 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 14 29) the Hoare annotation is: true [2020-07-10 20:24:24,333 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 29) the Hoare annotation is: true [2020-07-10 20:24:24,333 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~k~0 4) .cse0) (<= (+ main_~j~0 3) .cse0))) [2020-07-10 20:24:24,333 INFO L264 CegarLoopResult]: At program point L26-1(lines 25 26) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~k~0 4) .cse0) (<= (+ main_~j~0 3) .cse0))) [2020-07-10 20:24:24,333 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L271 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-10 20:24:24,334 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:24:24,335 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:24:24,335 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:24:24,335 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:24:24,335 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:24:24,341 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:24:24,342 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 20:24:24,342 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 20:24:24,343 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-10 20:24:24,343 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-10 20:24:24,355 INFO L163 areAnnotationChecker]: CFG has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 20:24:24,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:24:24 BoogieIcfgContainer [2020-07-10 20:24:24,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:24:24,375 INFO L168 Benchmark]: Toolchain (without parser) took 3445.36 ms. Allocated memory was 143.7 MB in the beginning and 248.0 MB in the end (delta: 104.3 MB). Free memory was 102.0 MB in the beginning and 154.8 MB in the end (delta: -52.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,376 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.56 ms. Allocated memory is still 143.7 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,378 INFO L168 Benchmark]: Boogie Preprocessor took 127.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 91.7 MB in the beginning and 180.6 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,379 INFO L168 Benchmark]: RCFGBuilder took 609.79 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 153.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,380 INFO L168 Benchmark]: TraceAbstraction took 2426.14 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 153.3 MB in the beginning and 154.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-07-10 20:24:24,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.56 ms. Allocated memory is still 143.7 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 91.7 MB in the beginning and 180.6 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 609.79 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 153.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2426.14 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 153.3 MB in the beginning and 154.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: i + 1 <= n - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: i + 1 <= n && j + 3 <= i + 2 * n - ProcedureContractResult [Line: 14]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 0 == \old(cond) || !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 73 SDslu, 42 SDs, 0 SdLazy, 231 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 54 LocationsWithAnnotation, 60 PreInvPairs, 82 NumberOfFragments, 240 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...