/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-crafted/simple_array_index_value_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:22:43,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:22:43,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:22:43,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:22:43,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:22:43,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:22:43,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:22:43,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:22:43,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:22:43,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:22:43,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:22:43,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:22:43,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:22:43,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:22:43,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:22:43,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:22:43,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:22:43,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:22:43,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:22:43,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:22:43,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:22:43,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:22:43,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:22:43,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:22:43,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:22:43,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:22:43,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:22:43,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:22:43,187 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 20:22:43,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:22:43,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:22:43,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:22:43,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:22:43,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:22:43,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:22:43,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:22:43,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:22:43,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:22:43,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:22:43,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:22:43,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:22:43,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:22:43,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:22:43,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:22:43,224 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:22:43,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:22:43,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:22:43,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:22:43,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:22:43,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:22:43,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:22:43,225 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:22:43,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:22:43,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:22:43,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:22:43,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:22:43,535 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:22:43,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2020-07-10 20:22:43,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/451901839/9744a25b8edc4ae8b58790d35d33c90c/FLAG84e86c657 [2020-07-10 20:22:44,144 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:22:44,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2020-07-10 20:22:44,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/451901839/9744a25b8edc4ae8b58790d35d33c90c/FLAG84e86c657 [2020-07-10 20:22:44,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/451901839/9744a25b8edc4ae8b58790d35d33c90c [2020-07-10 20:22:44,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:22:44,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:22:44,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:44,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:22:44,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:22:44,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667a5e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44, skipping insertion in model container [2020-07-10 20:22:44,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:22:44,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:22:44,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:44,756 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:22:44,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:44,805 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:22:44,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44 WrapperNode [2020-07-10 20:22:44,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:44,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:22:44,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:22:44,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:22:44,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (1/1) ... [2020-07-10 20:22:44,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:22:44,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:22:44,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:22:44,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:22:44,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (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 20:22:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:22:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:22:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:22:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:22:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-10 20:22:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:22:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:22:45,399 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:22:45,401 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 20:22:45,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:45 BoogieIcfgContainer [2020-07-10 20:22:45,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:22:45,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:22:45,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:22:45,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:22:45,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:22:44" (1/3) ... [2020-07-10 20:22:45,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a524b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:45, skipping insertion in model container [2020-07-10 20:22:45,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:44" (2/3) ... [2020-07-10 20:22:45,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a524b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:45, skipping insertion in model container [2020-07-10 20:22:45,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:45" (3/3) ... [2020-07-10 20:22:45,422 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2020-07-10 20:22:45,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:22:45,441 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:22:45,454 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:22:45,477 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:22:45,478 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:22:45,478 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:22:45,478 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:22:45,479 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:22:45,479 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:22:45,479 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:22:45,479 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:22:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-10 20:22:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-10 20:22:45,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:45,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:22:45,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:22:45,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:45,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1780996077, now seen corresponding path program 1 times [2020-07-10 20:22:45,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:45,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269804990] [2020-07-10 20:22:45,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:45,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {38#true} is VALID [2020-07-10 20:22:45,742 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#true} #valid := #valid[0 := 0]; {38#true} is VALID [2020-07-10 20:22:45,743 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} assume 0 < #StackHeapBarrier; {38#true} is VALID [2020-07-10 20:22:45,744 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume true; {38#true} is VALID [2020-07-10 20:22:45,744 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {38#true} {38#true} #67#return; {38#true} is VALID [2020-07-10 20:22:45,750 INFO L263 TraceCheckUtils]: 0: Hoare triple {38#true} call ULTIMATE.init(); {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 20:22:45,750 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {38#true} is VALID [2020-07-10 20:22:45,751 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} #valid := #valid[0 := 0]; {38#true} is VALID [2020-07-10 20:22:45,751 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume 0 < #StackHeapBarrier; {38#true} is VALID [2020-07-10 20:22:45,752 INFO L280 TraceCheckUtils]: 4: Hoare triple {38#true} assume true; {38#true} is VALID [2020-07-10 20:22:45,752 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {38#true} {38#true} #67#return; {38#true} is VALID [2020-07-10 20:22:45,753 INFO L263 TraceCheckUtils]: 6: Hoare triple {38#true} call #t~ret3 := main(); {38#true} is VALID [2020-07-10 20:22:45,753 INFO L280 TraceCheckUtils]: 7: Hoare triple {38#true} SUMMARY for call ~#array~0.base, ~#array~0.offset := #Ultimate.allocOnStack(40000); srcloc: mainENTRY {38#true} is VALID [2020-07-10 20:22:45,754 INFO L280 TraceCheckUtils]: 8: Hoare triple {38#true} ~index~0 := 0; {38#true} is VALID [2020-07-10 20:22:45,754 INFO L280 TraceCheckUtils]: 9: Hoare triple {38#true} ~tmp~0 := 0; {38#true} is VALID [2020-07-10 20:22:45,756 INFO L280 TraceCheckUtils]: 10: Hoare triple {38#true} assume !true; {39#false} is VALID [2020-07-10 20:22:45,756 INFO L280 TraceCheckUtils]: 11: Hoare triple {39#false} #t~short2 := ~tmp~0 % 4294967296 < 10000; {39#false} is VALID [2020-07-10 20:22:45,757 INFO L280 TraceCheckUtils]: 12: Hoare triple {39#false} assume !#t~short2; {39#false} is VALID [2020-07-10 20:22:45,757 INFO L263 TraceCheckUtils]: 13: Hoare triple {39#false} call __VERIFIER_assert((if #t~short2 then 1 else 0)); {39#false} is VALID [2020-07-10 20:22:45,758 INFO L280 TraceCheckUtils]: 14: Hoare triple {39#false} ~cond := #in~cond; {39#false} is VALID [2020-07-10 20:22:45,758 INFO L280 TraceCheckUtils]: 15: Hoare triple {39#false} assume 0 == ~cond; {39#false} is VALID [2020-07-10 20:22:45,759 INFO L280 TraceCheckUtils]: 16: Hoare triple {39#false} assume !false; {39#false} is VALID [2020-07-10 20:22:45,761 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 20:22:45,762 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:45,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269804990] [2020-07-10 20:22:45,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:45,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 20:22:45,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356372014] [2020-07-10 20:22:45,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-10 20:22:45,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:45,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 20:22:45,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:45,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 20:22:45,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:45,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 20:22:45,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 20:22:45,847 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-07-10 20:22:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:46,100 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-07-10 20:22:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 20:22:46,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-10 20:22:46,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:22:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 20:22:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2020-07-10 20:22:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 20:22:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2020-07-10 20:22:46,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 60 transitions. [2020-07-10 20:22:46,221 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:46,235 INFO L225 Difference]: With dead ends: 54 [2020-07-10 20:22:46,235 INFO L226 Difference]: Without dead ends: 25 [2020-07-10 20:22:46,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 20:22:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-10 20:22:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-10 20:22:46,312 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:22:46,313 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-10 20:22:46,314 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-10 20:22:46,314 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-10 20:22:46,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:46,318 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-07-10 20:22:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-07-10 20:22:46,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:46,320 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:46,320 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-10 20:22:46,320 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-10 20:22:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:46,325 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-07-10 20:22:46,325 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-07-10 20:22:46,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:46,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:46,326 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:22:46,326 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:22:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-10 20:22:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-07-10 20:22:46,331 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2020-07-10 20:22:46,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:22:46,332 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-07-10 20:22:46,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 20:22:46,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 26 transitions. [2020-07-10 20:22:46,389 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-07-10 20:22:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-10 20:22:46,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:46,391 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] [2020-07-10 20:22:46,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:22:46,392 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:22:46,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:46,392 INFO L82 PathProgramCache]: Analyzing trace with hash -657316629, now seen corresponding path program 1 times [2020-07-10 20:22:46,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:46,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434209328] [2020-07-10 20:22:46,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:46,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 20:22:46,436 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 20:22:46,443 INFO L168 Benchmark]: Toolchain (without parser) took 1930.36 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 101.3 MB in the beginning and 198.8 MB in the end (delta: -97.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 20:22:46,444 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 20:22:46,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.59 ms. Allocated memory is still 137.4 MB. Free memory was 101.1 MB in the beginning and 90.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:46,446 INFO L168 Benchmark]: Boogie Preprocessor took 152.00 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.8 MB in the beginning and 178.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:46,447 INFO L168 Benchmark]: RCFGBuilder took 450.12 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 158.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:46,448 INFO L168 Benchmark]: TraceAbstraction took 1027.80 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 158.0 MB in the beginning and 198.8 MB in the end (delta: -40.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 20:22:46,453 INFO L336 ainManager$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 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.59 ms. Allocated memory is still 137.4 MB. Free memory was 101.1 MB in the beginning and 90.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.00 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.8 MB in the beginning and 178.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.12 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 158.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1027.80 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 158.0 MB in the beginning and 198.8 MB in the end (delta: -40.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...