/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:29:44,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:29:44,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:29:44,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:29:44,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:29:44,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:29:44,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:29:44,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:29:44,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:29:44,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:29:44,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:29:44,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:29:44,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:29:44,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:29:44,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:29:44,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:29:44,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:29:44,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:29:44,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:29:44,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:29:44,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:29:44,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:29:44,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:29:44,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:29:44,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 15:29:44,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:29:44,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:29:44,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:29:44,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 15:29:44,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:29:44,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:29:44,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:29:44,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:29:44,497 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:29:44,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:29:44,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:29:44,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:29:44,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:29:44,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:29:44,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:29:44,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:29:44,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:29:44,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:29:44,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:29:44,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:29:44,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:29:44,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:29:44,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:29:44,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:29:44,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:29:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:29:44,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:29:44,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:29:44,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:29:44,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:29:44,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:29:44,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:29:44,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:29:44,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:29:44,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:29:44,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:29:44,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:29:44,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:29:44,864 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:29:44,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt3.c [2020-07-10 15:29:44,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea6e1c8e/58b9825070ee4d66b326c092c460901d/FLAG9dea4c706 [2020-07-10 15:29:45,518 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:29:45,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt3.c [2020-07-10 15:29:45,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea6e1c8e/58b9825070ee4d66b326c092c460901d/FLAG9dea4c706 [2020-07-10 15:29:45,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea6e1c8e/58b9825070ee4d66b326c092c460901d [2020-07-10 15:29:45,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:29:45,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:29:45,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:29:45,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:29:45,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:29:45,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:29:45" (1/1) ... [2020-07-10 15:29:45,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306a7df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:45, skipping insertion in model container [2020-07-10 15:29:45,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:29:45" (1/1) ... [2020-07-10 15:29:45,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:29:45,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:29:46,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:29:46,123 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 15:29:46,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:29:46,168 INFO L208 MainTranslator]: Completed translation [2020-07-10 15:29:46,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46 WrapperNode [2020-07-10 15:29:46,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:29:46,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 15:29:46,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 15:29:46,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 15:29:46,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (1/1) ... [2020-07-10 15:29:46,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 15:29:46,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 15:29:46,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 15:29:46,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 15:29:46,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (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 15:29:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 15:29:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 15:29:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 15:29:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 15:29:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 15:29:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 15:29:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 15:29:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 15:29:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 15:29:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 15:29:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 15:29:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 15:29:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 15:29:46,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 15:29:46,752 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 15:29:46,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:29:46 BoogieIcfgContainer [2020-07-10 15:29:46,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 15:29:46,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 15:29:46,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 15:29:46,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 15:29:46,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:29:45" (1/3) ... [2020-07-10 15:29:46,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46137387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:29:46, skipping insertion in model container [2020-07-10 15:29:46,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:46" (2/3) ... [2020-07-10 15:29:46,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46137387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:29:46, skipping insertion in model container [2020-07-10 15:29:46,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:29:46" (3/3) ... [2020-07-10 15:29:46,764 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt3.c [2020-07-10 15:29:46,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 15:29:46,781 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 15:29:46,794 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 15:29:46,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 15:29:46,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 15:29:46,819 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 15:29:46,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 15:29:46,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 15:29:46,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 15:29:46,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 15:29:46,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 15:29:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-10 15:29:46,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-10 15:29:46,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:29:46,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:29:46,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:29:46,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:29:46,850 INFO L82 PathProgramCache]: Analyzing trace with hash -320041890, now seen corresponding path program 1 times [2020-07-10 15:29:46,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:29:46,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285198192] [2020-07-10 15:29:46,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:29:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:47,043 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 20000001; {26#true} is VALID [2020-07-10 15:29:47,044 INFO L280 TraceCheckUtils]: 1: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-10 15:29:47,044 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} #57#return; {26#true} is VALID [2020-07-10 15:29:47,047 INFO L263 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {31#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-10 15:29:47,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 20000001; {26#true} is VALID [2020-07-10 15:29:47,048 INFO L280 TraceCheckUtils]: 2: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-10 15:29:47,048 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} #57#return; {26#true} is VALID [2020-07-10 15:29:47,049 INFO L263 TraceCheckUtils]: 4: Hoare triple {26#true} call #t~ret1 := main(); {26#true} is VALID [2020-07-10 15:29:47,049 INFO L280 TraceCheckUtils]: 5: Hoare triple {26#true} havoc ~n~0;havoc ~i~0;havoc ~k~0;havoc ~j~0;~l~0 := 0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~n~0 := #t~nondet0;havoc #t~nondet0; {26#true} is VALID [2020-07-10 15:29:47,050 INFO L280 TraceCheckUtils]: 6: Hoare triple {26#true} assume !!(~n~0 % 4294967296 <= ~SIZE~0 % 4294967296);~i~0 := 0;~j~0 := 0;~k~0 := 0;~l~0 := 0; {26#true} is VALID [2020-07-10 15:29:47,054 INFO L280 TraceCheckUtils]: 7: Hoare triple {26#true} assume !true; {27#false} is VALID [2020-07-10 15:29:47,054 INFO L263 TraceCheckUtils]: 8: Hoare triple {27#false} call __VERIFIER_assert((if (~i~0 + ~j~0 + ~k~0) % 4294967296 == ~l~0 % 4294967296 then 1 else 0)); {27#false} is VALID [2020-07-10 15:29:47,054 INFO L280 TraceCheckUtils]: 9: Hoare triple {27#false} ~cond := #in~cond; {27#false} is VALID [2020-07-10 15:29:47,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {27#false} assume 0 == ~cond; {27#false} is VALID [2020-07-10 15:29:47,055 INFO L280 TraceCheckUtils]: 11: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-10 15:29:47,056 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 15:29:47,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285198192] [2020-07-10 15:29:47,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:29:47,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 15:29:47,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183249326] [2020-07-10 15:29:47,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-10 15:29:47,073 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:29:47,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 15:29:47,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:47,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 15:29:47,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:29:47,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 15:29:47,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 15:29:47,153 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2020-07-10 15:29:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:47,319 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-07-10 15:29:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 15:29:47,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-10 15:29:47,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:29:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:29:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2020-07-10 15:29:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:29:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2020-07-10 15:29:47,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 41 transitions. [2020-07-10 15:29:47,436 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:47,450 INFO L225 Difference]: With dead ends: 35 [2020-07-10 15:29:47,451 INFO L226 Difference]: Without dead ends: 16 [2020-07-10 15:29:47,455 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 15:29:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-07-10 15:29:47,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-07-10 15:29:47,512 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:29:47,512 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2020-07-10 15:29:47,513 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-10 15:29:47,513 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-10 15:29:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:47,517 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-07-10 15:29:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-07-10 15:29:47,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:47,518 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:47,518 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-10 15:29:47,518 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-10 15:29:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:47,521 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-07-10 15:29:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-07-10 15:29:47,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:47,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:47,522 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:29:47,523 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:29:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-10 15:29:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2020-07-10 15:29:47,527 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2020-07-10 15:29:47,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:29:47,527 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2020-07-10 15:29:47,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 15:29:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-07-10 15:29:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-10 15:29:47,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:29:47,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:29:47,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 15:29:47,529 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:29:47,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:29:47,530 INFO L82 PathProgramCache]: Analyzing trace with hash -334818226, now seen corresponding path program 1 times [2020-07-10 15:29:47,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:29:47,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690069251] [2020-07-10 15:29:47,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:29:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:47,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 15:29:47,590 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.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 15:29:47,596 INFO L168 Benchmark]: Toolchain (without parser) took 1726.27 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 111.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,597 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.23 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 92.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,599 INFO L168 Benchmark]: Boogie Preprocessor took 139.20 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 179.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,600 INFO L168 Benchmark]: RCFGBuilder took 446.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 161.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,601 INFO L168 Benchmark]: TraceAbstraction took 835.44 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 111.6 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:47,605 INFO L336 ainManager$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 0.64 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.23 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 92.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.20 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 179.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 161.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 835.44 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 111.6 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. 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...