/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/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:20:47,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:20:47,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:20:47,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:20:47,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:20:47,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:20:47,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:20:47,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:20:47,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:20:48,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:20:48,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:20:48,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:20:48,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:20:48,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:20:48,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:20:48,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:20:48,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:20:48,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:20:48,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:20:48,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:20:48,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:20:48,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:20:48,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:20:48,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:20:48,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:20:48,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:20:48,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:20:48,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:20:48,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:20:48,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:20:48,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:20:48,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:20:48,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:20:48,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:20:48,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:20:48,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:20:48,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:20:48,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:20:48,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:20:48,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:20:48,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:20:48,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:20:48,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:20:48,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:20:48,102 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:20:48,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:20:48,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:20:48,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:20:48,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:20:48,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:20:48,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:20:48,106 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:20:48,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:20:48,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:20:48,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:20:48,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:20:48,459 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:20:48,460 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-07-18 00:20:48,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119a864ef/75c89b7f8a094a308cfc56f797e03fce/FLAG4cc7955a7 [2020-07-18 00:20:49,107 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:20:49,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-07-18 00:20:49,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119a864ef/75c89b7f8a094a308cfc56f797e03fce/FLAG4cc7955a7 [2020-07-18 00:20:49,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119a864ef/75c89b7f8a094a308cfc56f797e03fce [2020-07-18 00:20:49,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:20:49,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:20:49,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:49,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:20:49,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:20:49,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2077f13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49, skipping insertion in model container [2020-07-18 00:20:49,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:20:49,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:20:49,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:49,756 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:20:49,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:49,800 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:20:49,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49 WrapperNode [2020-07-18 00:20:49,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:49,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:20:49,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:20:49,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:20:49,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (1/1) ... [2020-07-18 00:20:49,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:20:49,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:20:49,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:20:49,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:20:49,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (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 [2020-07-18 00:20:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:20:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:20:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 00:20:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-07-18 00:20:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-07-18 00:20:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:20:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:20:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:20:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-07-18 00:20:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-07-18 00:20:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:20:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:20:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:20:50,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:20:50,428 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:20:50,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:50 BoogieIcfgContainer [2020-07-18 00:20:50,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:20:50,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:20:50,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:20:50,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:20:50,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:20:49" (1/3) ... [2020-07-18 00:20:50,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738d3429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:50, skipping insertion in model container [2020-07-18 00:20:50,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:49" (2/3) ... [2020-07-18 00:20:50,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738d3429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:50, skipping insertion in model container [2020-07-18 00:20:50,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:50" (3/3) ... [2020-07-18 00:20:50,454 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-07-18 00:20:50,473 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:20:50,488 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:20:50,512 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:20:50,551 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:20:50,551 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:20:50,552 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:20:50,552 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:20:50,552 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:20:50,552 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:20:50,553 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:20:50,553 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:20:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-18 00:20:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-18 00:20:50,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:50,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:50,621 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:50,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:50,642 INFO L82 PathProgramCache]: Analyzing trace with hash 531924990, now seen corresponding path program 1 times [2020-07-18 00:20:50,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:50,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697902966] [2020-07-18 00:20:50,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:51,123 INFO L280 TraceCheckUtils]: 0: Hoare triple {46#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {32#true} is VALID [2020-07-18 00:20:51,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} assume true; {32#true} is VALID [2020-07-18 00:20:51,125 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {32#true} {32#true} #33#return; {32#true} is VALID [2020-07-18 00:20:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:51,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} ~i := #in~i; {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:51,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume ~i < 0; {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:51,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} #res := -~i; {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:51,279 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} assume true; {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:51,282 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} {32#true} #37#return; {42#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:51,285 INFO L263 TraceCheckUtils]: 0: Hoare triple {32#true} call ULTIMATE.init(); {46#(= ~p~0 |old(~p~0)|)} is VALID [2020-07-18 00:20:51,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {32#true} is VALID [2020-07-18 00:20:51,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#true} assume true; {32#true} is VALID [2020-07-18 00:20:51,287 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} #33#return; {32#true} is VALID [2020-07-18 00:20:51,288 INFO L263 TraceCheckUtils]: 4: Hoare triple {32#true} call #t~ret1 := main(); {32#true} is VALID [2020-07-18 00:20:51,288 INFO L263 TraceCheckUtils]: 5: Hoare triple {32#true} call firstFunction(); {32#true} is VALID [2020-07-18 00:20:51,289 INFO L263 TraceCheckUtils]: 6: Hoare triple {32#true} call #t~ret0 := abs_int(-3); {32#true} is VALID [2020-07-18 00:20:51,291 INFO L280 TraceCheckUtils]: 7: Hoare triple {32#true} ~i := #in~i; {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:51,292 INFO L280 TraceCheckUtils]: 8: Hoare triple {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume ~i < 0; {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:51,295 INFO L280 TraceCheckUtils]: 9: Hoare triple {47#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} #res := -~i; {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:51,297 INFO L280 TraceCheckUtils]: 10: Hoare triple {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} assume true; {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:51,299 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {48#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} {32#true} #37#return; {42#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:51,301 INFO L280 TraceCheckUtils]: 12: Hoare triple {42#(<= 1 |firstFunction_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {42#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:51,304 INFO L280 TraceCheckUtils]: 13: Hoare triple {42#(<= 1 |firstFunction_#t~ret0|)} ~p~0 := #t~ret0; {43#(<= 1 ~p~0)} is VALID [2020-07-18 00:20:51,305 INFO L280 TraceCheckUtils]: 14: Hoare triple {43#(<= 1 ~p~0)} havoc #t~ret0; {43#(<= 1 ~p~0)} is VALID [2020-07-18 00:20:51,308 INFO L263 TraceCheckUtils]: 15: Hoare triple {43#(<= 1 ~p~0)} call __VERIFIER_assert((if ~p~0 >= 0 then 1 else 0)); {44#(not (= 0 |__VERIFIER_assert_#in~i|))} is VALID [2020-07-18 00:20:51,310 INFO L280 TraceCheckUtils]: 16: Hoare triple {44#(not (= 0 |__VERIFIER_assert_#in~i|))} ~i := #in~i; {45#(not (= 0 __VERIFIER_assert_~i))} is VALID [2020-07-18 00:20:51,314 INFO L280 TraceCheckUtils]: 17: Hoare triple {45#(not (= 0 __VERIFIER_assert_~i))} assume 0 == ~i; {33#false} is VALID [2020-07-18 00:20:51,315 INFO L280 TraceCheckUtils]: 18: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-18 00:20:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:20:51,323 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:51,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697902966] [2020-07-18 00:20:51,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:51,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-18 00:20:51,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868101089] [2020-07-18 00:20:51,337 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-07-18 00:20:51,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:51,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 00:20:51,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:51,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-18 00:20:51,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:20:51,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-18 00:20:51,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-07-18 00:20:51,426 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 9 states. [2020-07-18 00:20:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:52,467 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-07-18 00:20:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 00:20:52,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-07-18 00:20:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:20:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 00:20:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2020-07-18 00:20:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 00:20:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2020-07-18 00:20:52,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 56 transitions. [2020-07-18 00:20:52,609 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:52,644 INFO L225 Difference]: With dead ends: 55 [2020-07-18 00:20:52,645 INFO L226 Difference]: Without dead ends: 20 [2020-07-18 00:20:52,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-07-18 00:20:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-07-18 00:20:52,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-07-18 00:20:52,763 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:20:52,764 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2020-07-18 00:20:52,765 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2020-07-18 00:20:52,766 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2020-07-18 00:20:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:52,778 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-07-18 00:20:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-07-18 00:20:52,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:52,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:52,780 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2020-07-18 00:20:52,780 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2020-07-18 00:20:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:52,796 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-07-18 00:20:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-07-18 00:20:52,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:52,797 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:52,797 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:20:52,797 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:20:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-18 00:20:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-07-18 00:20:52,806 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 19 [2020-07-18 00:20:52,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:20:52,807 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-07-18 00:20:52,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-18 00:20:52,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 19 transitions. [2020-07-18 00:20:52,840 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-07-18 00:20:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-18 00:20:52,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:52,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:52,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:20:52,843 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:52,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:52,843 INFO L82 PathProgramCache]: Analyzing trace with hash 839962558, now seen corresponding path program 1 times [2020-07-18 00:20:52,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:52,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20712665] [2020-07-18 00:20:52,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:52,934 INFO L280 TraceCheckUtils]: 0: Hoare triple {265#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {255#true} is VALID [2020-07-18 00:20:52,935 INFO L280 TraceCheckUtils]: 1: Hoare triple {255#true} assume true; {255#true} is VALID [2020-07-18 00:20:52,935 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {255#true} {255#true} #33#return; {255#true} is VALID [2020-07-18 00:20:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:52,995 INFO L280 TraceCheckUtils]: 0: Hoare triple {255#true} ~i := #in~i; {266#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:52,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {266#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume !(~i < 0); {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:52,999 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} #res := ~i; {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:53,000 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} assume true; {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:53,002 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} {255#true} #37#return; {256#false} is VALID [2020-07-18 00:20:53,004 INFO L263 TraceCheckUtils]: 0: Hoare triple {255#true} call ULTIMATE.init(); {265#(= ~p~0 |old(~p~0)|)} is VALID [2020-07-18 00:20:53,004 INFO L280 TraceCheckUtils]: 1: Hoare triple {265#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {255#true} is VALID [2020-07-18 00:20:53,005 INFO L280 TraceCheckUtils]: 2: Hoare triple {255#true} assume true; {255#true} is VALID [2020-07-18 00:20:53,005 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {255#true} {255#true} #33#return; {255#true} is VALID [2020-07-18 00:20:53,005 INFO L263 TraceCheckUtils]: 4: Hoare triple {255#true} call #t~ret1 := main(); {255#true} is VALID [2020-07-18 00:20:53,006 INFO L263 TraceCheckUtils]: 5: Hoare triple {255#true} call firstFunction(); {255#true} is VALID [2020-07-18 00:20:53,006 INFO L263 TraceCheckUtils]: 6: Hoare triple {255#true} call #t~ret0 := abs_int(-3); {255#true} is VALID [2020-07-18 00:20:53,007 INFO L280 TraceCheckUtils]: 7: Hoare triple {255#true} ~i := #in~i; {266#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:53,008 INFO L280 TraceCheckUtils]: 8: Hoare triple {266#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume !(~i < 0); {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:53,010 INFO L280 TraceCheckUtils]: 9: Hoare triple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} #res := ~i; {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:53,011 INFO L280 TraceCheckUtils]: 10: Hoare triple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} assume true; {267#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:53,013 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {267#(not (= 0 (+ |abs_int_#in~i| 3)))} {255#true} #37#return; {256#false} is VALID [2020-07-18 00:20:53,014 INFO L280 TraceCheckUtils]: 12: Hoare triple {256#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {256#false} is VALID [2020-07-18 00:20:53,014 INFO L280 TraceCheckUtils]: 13: Hoare triple {256#false} ~p~0 := #t~ret0; {256#false} is VALID [2020-07-18 00:20:53,015 INFO L280 TraceCheckUtils]: 14: Hoare triple {256#false} havoc #t~ret0; {256#false} is VALID [2020-07-18 00:20:53,015 INFO L263 TraceCheckUtils]: 15: Hoare triple {256#false} call __VERIFIER_assert((if ~p~0 >= 0 then 1 else 0)); {256#false} is VALID [2020-07-18 00:20:53,015 INFO L280 TraceCheckUtils]: 16: Hoare triple {256#false} ~i := #in~i; {256#false} is VALID [2020-07-18 00:20:53,016 INFO L280 TraceCheckUtils]: 17: Hoare triple {256#false} assume 0 == ~i; {256#false} is VALID [2020-07-18 00:20:53,016 INFO L280 TraceCheckUtils]: 18: Hoare triple {256#false} assume !false; {256#false} is VALID [2020-07-18 00:20:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:20:53,299 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:53,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20712665] [2020-07-18 00:20:53,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:53,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-18 00:20:53,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62699595] [2020-07-18 00:20:53,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2020-07-18 00:20:53,303 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:53,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 00:20:53,309 WARN L140 InductivityCheck]: Transition 273#(and (not (= 0 (+ |abs_int_#in~i| 3))) (= 0 __VERIFIER_assert_~i) (= |__VERIFIER_assert_#in~i| __VERIFIER_assert_~i)) ( _ , assume !false; , 256#false ) not inductive [2020-07-18 00:20:53,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:20:53,311 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:20:53,319 INFO L168 Benchmark]: Toolchain (without parser) took 3847.47 ms. Allocated memory was 142.6 MB in the beginning and 236.5 MB in the end (delta: 93.8 MB). Free memory was 102.2 MB in the beginning and 90.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,320 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.96 ms. Allocated memory is still 142.6 MB. Free memory was 101.4 MB in the beginning and 92.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,323 INFO L168 Benchmark]: Boogie Preprocessor took 49.56 ms. Allocated memory is still 142.6 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,324 INFO L168 Benchmark]: RCFGBuilder took 583.82 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 90.6 MB in the beginning and 168.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,325 INFO L168 Benchmark]: TraceAbstraction took 2875.85 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 90.0 MB in the end (delta: 77.7 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:53,330 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 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 326.96 ms. Allocated memory is still 142.6 MB. Free memory was 101.4 MB in the beginning and 92.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.56 ms. Allocated memory is still 142.6 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 583.82 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 90.6 MB in the beginning and 168.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2875.85 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 90.0 MB in the end (delta: 77.7 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...