/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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:20:47,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:20:47,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:20:47,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:20:47,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:20:47,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:20:47,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:20:47,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:20:47,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:20:47,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:20:47,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:20:47,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:20:47,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:20:47,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:20:47,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:20:47,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:20:47,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:20:47,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:20:47,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:20:47,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:20:47,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:20:47,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:20:47,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:20:47,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:20:47,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:20:47,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:20:47,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:20:47,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:20:47,169 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 00:20:47,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:20:47,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:20:47,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:20:47,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:20:47,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:20:47,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:20:47,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:20:47,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:20:47,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:20:47,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:20:47,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:20:47,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:20:47,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:20:47,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:20:47,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:20:47,181 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:20:47,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:20:47,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:20:47,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:20:47,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:20:47,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:20:47,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:20:47,182 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:20:47,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:20:47,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:20:47,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:20:47,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:20:47,481 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:20:47,482 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-07-18 00:20:47,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9011fe3eb/9d10bca7f5074223b070e46a957b11e2/FLAGe941c914f [2020-07-18 00:20:48,018 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:20:48,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-07-18 00:20:48,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9011fe3eb/9d10bca7f5074223b070e46a957b11e2/FLAGe941c914f [2020-07-18 00:20:48,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9011fe3eb/9d10bca7f5074223b070e46a957b11e2 [2020-07-18 00:20:48,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:20:48,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:20:48,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:48,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:20:48,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:20:48,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569b6f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48, skipping insertion in model container [2020-07-18 00:20:48,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:20:48,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:20:48,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:48,602 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:20:48,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:48,632 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:20:48,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48 WrapperNode [2020-07-18 00:20:48,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:48,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:20:48,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:20:48,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:20:48,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (1/1) ... [2020-07-18 00:20:48,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:20:48,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:20:48,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:20:48,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:20:48,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (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 00:20:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-18 00:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-07-18 00:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-07-18 00:20:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:20:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:20:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:20:49,007 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:20:49,007 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:20:49,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:49 BoogieIcfgContainer [2020-07-18 00:20:49,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:20:49,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:20:49,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:20:49,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:20:49,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:20:48" (1/3) ... [2020-07-18 00:20:49,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e49a09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:49, skipping insertion in model container [2020-07-18 00:20:49,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:48" (2/3) ... [2020-07-18 00:20:49,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e49a09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:49, skipping insertion in model container [2020-07-18 00:20:49,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:49" (3/3) ... [2020-07-18 00:20:49,020 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-07-18 00:20:49,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:20:49,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:20:49,053 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:20:49,081 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:20:49,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:20:49,081 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:20:49,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:20:49,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:20:49,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:20:49,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:20:49,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:20:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-18 00:20:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-18 00:20:49,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:49,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:49,115 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:49,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:49,123 INFO L82 PathProgramCache]: Analyzing trace with hash -874370234, now seen corresponding path program 1 times [2020-07-18 00:20:49,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:49,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539331749] [2020-07-18 00:20:49,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:49,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {43#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {31#true} is VALID [2020-07-18 00:20:49,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#true} assume true; {31#true} is VALID [2020-07-18 00:20:49,405 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {31#true} {31#true} #31#return; {31#true} is VALID [2020-07-18 00:20:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:49,506 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#true} ~i := #in~i; {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:49,507 INFO L280 TraceCheckUtils]: 1: Hoare triple {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume ~i < 0; {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:49,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} #res := -~i; {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:49,510 INFO L280 TraceCheckUtils]: 3: Hoare triple {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} assume true; {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:49,513 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} {31#true} #35#return; {41#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:49,516 INFO L263 TraceCheckUtils]: 0: Hoare triple {31#true} call ULTIMATE.init(); {43#(= ~p~0 |old(~p~0)|)} is VALID [2020-07-18 00:20:49,516 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {31#true} is VALID [2020-07-18 00:20:49,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {31#true} assume true; {31#true} is VALID [2020-07-18 00:20:49,517 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {31#true} {31#true} #31#return; {31#true} is VALID [2020-07-18 00:20:49,517 INFO L263 TraceCheckUtils]: 4: Hoare triple {31#true} call #t~ret1 := main(); {31#true} is VALID [2020-07-18 00:20:49,518 INFO L263 TraceCheckUtils]: 5: Hoare triple {31#true} call firstFunction(); {31#true} is VALID [2020-07-18 00:20:49,518 INFO L263 TraceCheckUtils]: 6: Hoare triple {31#true} call #t~ret0 := abs_int(-3); {31#true} is VALID [2020-07-18 00:20:49,520 INFO L280 TraceCheckUtils]: 7: Hoare triple {31#true} ~i := #in~i; {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:49,522 INFO L280 TraceCheckUtils]: 8: Hoare triple {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume ~i < 0; {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:49,523 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} #res := -~i; {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:49,524 INFO L280 TraceCheckUtils]: 10: Hoare triple {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} assume true; {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} is VALID [2020-07-18 00:20:49,526 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {45#(or (not (= 0 (+ |abs_int_#in~i| 3))) (<= 3 |abs_int_#res|))} {31#true} #35#return; {41#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:49,527 INFO L280 TraceCheckUtils]: 12: Hoare triple {41#(<= 1 |firstFunction_#t~ret0|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {41#(<= 1 |firstFunction_#t~ret0|)} is VALID [2020-07-18 00:20:49,529 INFO L280 TraceCheckUtils]: 13: Hoare triple {41#(<= 1 |firstFunction_#t~ret0|)} ~p~0 := #t~ret0; {42#(<= 1 ~p~0)} is VALID [2020-07-18 00:20:49,530 INFO L280 TraceCheckUtils]: 14: Hoare triple {42#(<= 1 ~p~0)} havoc #t~ret0; {42#(<= 1 ~p~0)} is VALID [2020-07-18 00:20:49,532 INFO L280 TraceCheckUtils]: 15: Hoare triple {42#(<= 1 ~p~0)} assume !(~p~0 >= 0); {32#false} is VALID [2020-07-18 00:20:49,532 INFO L263 TraceCheckUtils]: 16: Hoare triple {32#false} call __blast_assert(); {32#false} is VALID [2020-07-18 00:20:49,533 INFO L280 TraceCheckUtils]: 17: Hoare triple {32#false} assume !false; {32#false} is VALID [2020-07-18 00:20:49,536 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 00:20:49,543 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:49,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539331749] [2020-07-18 00:20:49,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:49,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:20:49,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507642071] [2020-07-18 00:20:49,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-07-18 00:20:49,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:49,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:20:49,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:49,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:20:49,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:20:49,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:20:49,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:20:49,613 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 7 states. [2020-07-18 00:20:50,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:50,068 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-07-18 00:20:50,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 00:20:50,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-07-18 00:20:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:20:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:20:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-18 00:20:50,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:20:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-18 00:20:50,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2020-07-18 00:20:50,160 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:50,172 INFO L225 Difference]: With dead ends: 49 [2020-07-18 00:20:50,172 INFO L226 Difference]: Without dead ends: 19 [2020-07-18 00:20:50,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-18 00:20:50,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-18 00:20:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-07-18 00:20:50,237 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:20:50,238 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2020-07-18 00:20:50,239 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-18 00:20:50,239 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-18 00:20:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:50,242 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-07-18 00:20:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-18 00:20:50,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:50,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:50,244 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-18 00:20:50,244 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-18 00:20:50,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:50,247 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-07-18 00:20:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-18 00:20:50,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:50,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:50,249 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:20:50,249 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:20:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 00:20:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-07-18 00:20:50,253 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2020-07-18 00:20:50,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:20:50,253 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-07-18 00:20:50,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:20:50,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 18 transitions. [2020-07-18 00:20:50,277 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-07-18 00:20:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-18 00:20:50,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:50,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:50,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:20:50,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:50,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:50,280 INFO L82 PathProgramCache]: Analyzing trace with hash -587338874, now seen corresponding path program 1 times [2020-07-18 00:20:50,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:50,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409852382] [2020-07-18 00:20:50,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:50,318 INFO L280 TraceCheckUtils]: 0: Hoare triple {240#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {230#true} is VALID [2020-07-18 00:20:50,318 INFO L280 TraceCheckUtils]: 1: Hoare triple {230#true} assume true; {230#true} is VALID [2020-07-18 00:20:50,318 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {230#true} {230#true} #31#return; {230#true} is VALID [2020-07-18 00:20:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:50,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {230#true} ~i := #in~i; {241#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:50,386 INFO L280 TraceCheckUtils]: 1: Hoare triple {241#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume !(~i < 0); {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,387 INFO L280 TraceCheckUtils]: 2: Hoare triple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} #res := ~i; {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,388 INFO L280 TraceCheckUtils]: 3: Hoare triple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} assume true; {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,390 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} {230#true} #35#return; {231#false} is VALID [2020-07-18 00:20:50,391 INFO L263 TraceCheckUtils]: 0: Hoare triple {230#true} call ULTIMATE.init(); {240#(= ~p~0 |old(~p~0)|)} is VALID [2020-07-18 00:20:50,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {240#(= ~p~0 |old(~p~0)|)} ~p~0 := 0; {230#true} is VALID [2020-07-18 00:20:50,392 INFO L280 TraceCheckUtils]: 2: Hoare triple {230#true} assume true; {230#true} is VALID [2020-07-18 00:20:50,393 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {230#true} {230#true} #31#return; {230#true} is VALID [2020-07-18 00:20:50,393 INFO L263 TraceCheckUtils]: 4: Hoare triple {230#true} call #t~ret1 := main(); {230#true} is VALID [2020-07-18 00:20:50,393 INFO L263 TraceCheckUtils]: 5: Hoare triple {230#true} call firstFunction(); {230#true} is VALID [2020-07-18 00:20:50,394 INFO L263 TraceCheckUtils]: 6: Hoare triple {230#true} call #t~ret0 := abs_int(-3); {230#true} is VALID [2020-07-18 00:20:50,395 INFO L280 TraceCheckUtils]: 7: Hoare triple {230#true} ~i := #in~i; {241#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} is VALID [2020-07-18 00:20:50,395 INFO L280 TraceCheckUtils]: 8: Hoare triple {241#(or (= |abs_int_#in~i| abs_int_~i) (= 0 (+ abs_int_~i 3)))} assume !(~i < 0); {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,396 INFO L280 TraceCheckUtils]: 9: Hoare triple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} #res := ~i; {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,397 INFO L280 TraceCheckUtils]: 10: Hoare triple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} assume true; {242#(not (= 0 (+ |abs_int_#in~i| 3)))} is VALID [2020-07-18 00:20:50,399 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {242#(not (= 0 (+ |abs_int_#in~i| 3)))} {230#true} #35#return; {231#false} is VALID [2020-07-18 00:20:50,400 INFO L280 TraceCheckUtils]: 12: Hoare triple {231#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {231#false} is VALID [2020-07-18 00:20:50,400 INFO L280 TraceCheckUtils]: 13: Hoare triple {231#false} ~p~0 := #t~ret0; {231#false} is VALID [2020-07-18 00:20:50,401 INFO L280 TraceCheckUtils]: 14: Hoare triple {231#false} havoc #t~ret0; {231#false} is VALID [2020-07-18 00:20:50,401 INFO L280 TraceCheckUtils]: 15: Hoare triple {231#false} assume !(~p~0 >= 0); {231#false} is VALID [2020-07-18 00:20:50,403 INFO L263 TraceCheckUtils]: 16: Hoare triple {231#false} call __blast_assert(); {231#false} is VALID [2020-07-18 00:20:50,403 INFO L280 TraceCheckUtils]: 17: Hoare triple {231#false} assume !false; {231#false} is VALID [2020-07-18 00:20:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:20:50,529 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:50,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409852382] [2020-07-18 00:20:50,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:50,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:20:50,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243158706] [2020-07-18 00:20:50,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-07-18 00:20:50,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:50,532 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 00:20:50,554 WARN L140 InductivityCheck]: Transition 246#(and (not (= 0 (+ |abs_int_#in~i| 3))) (<= 0 (+ ~p~0 2147483648)) (< ~p~0 0)) ( _ , assume !false; , 231#false ) not inductive [2020-07-18 00:20:50,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:20:50,555 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 00:20:50,563 INFO L168 Benchmark]: Toolchain (without parser) took 2148.63 ms. Allocated memory was 145.2 MB in the beginning and 234.9 MB in the end (delta: 89.7 MB). Free memory was 103.4 MB in the beginning and 135.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,565 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.03 ms. Allocated memory is still 145.2 MB. Free memory was 103.0 MB in the beginning and 93.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,567 INFO L168 Benchmark]: Boogie Preprocessor took 25.12 ms. Allocated memory is still 145.2 MB. Free memory was 93.6 MB in the beginning and 92.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,570 INFO L168 Benchmark]: RCFGBuilder took 352.74 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.2 MB in the beginning and 166.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,572 INFO L168 Benchmark]: TraceAbstraction took 1546.61 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 135.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:50,584 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 0.83 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 217.03 ms. Allocated memory is still 145.2 MB. Free memory was 103.0 MB in the beginning and 93.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.12 ms. Allocated memory is still 145.2 MB. Free memory was 93.6 MB in the beginning and 92.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.74 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.2 MB in the beginning and 166.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1546.61 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 135.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 63.4 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...