/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/test07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:21:37,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:21:37,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:21:37,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:21:37,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:21:37,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:21:37,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:21:37,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:21:37,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:21:37,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:21:37,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:21:37,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:21:37,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:21:37,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:21:37,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:21:37,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:21:37,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:21:37,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:21:37,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:21:37,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:21:37,815 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 00:21:37,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:21:37,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:21:37,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:21:37,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:21:37,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:21:37,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:21:37,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:21:37,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:21:37,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:21:37,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:21:37,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:21:37,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:21:37,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:21:37,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:21:37,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:21:37,860 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:21:37,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:21:37,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:21:37,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:21:37,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:21:37,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:21:37,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:21:37,863 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:21:38,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:21:38,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:21:38,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:21:38,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:21:38,281 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:21:38,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test07.c [2020-07-18 00:21:38,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4d6d79/4adbca5e7cff49f89126146201fe5b41/FLAG1c939c493 [2020-07-18 00:21:39,004 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:21:39,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test07.c [2020-07-18 00:21:39,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4d6d79/4adbca5e7cff49f89126146201fe5b41/FLAG1c939c493 [2020-07-18 00:21:39,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc4d6d79/4adbca5e7cff49f89126146201fe5b41 [2020-07-18 00:21:39,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:21:39,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:21:39,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:39,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:21:39,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:21:39,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c53f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39, skipping insertion in model container [2020-07-18 00:21:39,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:21:39,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:21:39,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:39,641 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:21:39,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:39,686 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:21:39,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39 WrapperNode [2020-07-18 00:21:39,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:39,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:21:39,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:21:39,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:21:39,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (1/1) ... [2020-07-18 00:21:39,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:21:39,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:21:39,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:21:39,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:21:39,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (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 00:21:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:21:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:21:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-18 00:21:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:21:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:21:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-18 00:21:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:21:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:21:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:21:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:21:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:21:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 00:21:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:21:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:21:40,366 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:21:40,367 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:21:40,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:40 BoogieIcfgContainer [2020-07-18 00:21:40,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:21:40,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:21:40,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:21:40,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:21:40,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:21:39" (1/3) ... [2020-07-18 00:21:40,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ca4ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:40, skipping insertion in model container [2020-07-18 00:21:40,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:39" (2/3) ... [2020-07-18 00:21:40,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ca4ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:40, skipping insertion in model container [2020-07-18 00:21:40,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:40" (3/3) ... [2020-07-18 00:21:40,393 INFO L109 eAbstractionObserver]: Analyzing ICFG test07.c [2020-07-18 00:21:40,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:21:40,422 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:21:40,447 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:21:40,484 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:21:40,484 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:21:40,484 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:21:40,484 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:21:40,484 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:21:40,485 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:21:40,485 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:21:40,485 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:21:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-07-18 00:21:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-18 00:21:40,535 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:21:40,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:21:40,540 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:21:40,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:21:40,555 INFO L82 PathProgramCache]: Analyzing trace with hash 56438835, now seen corresponding path program 1 times [2020-07-18 00:21:40,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:21:40,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503859218] [2020-07-18 00:21:40,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:21:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:41,397 INFO L280 TraceCheckUtils]: 0: Hoare triple {83#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {54#true} is VALID [2020-07-18 00:21:41,398 INFO L280 TraceCheckUtils]: 1: Hoare triple {54#true} #valid := #valid[0 := 0]; {54#true} is VALID [2020-07-18 00:21:41,399 INFO L280 TraceCheckUtils]: 2: Hoare triple {54#true} assume 0 < #StackHeapBarrier; {54#true} is VALID [2020-07-18 00:21:41,403 INFO L280 TraceCheckUtils]: 3: Hoare triple {54#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L4 {84#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,405 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#a~0.base, ~#a~0.offset, 4); srcloc: L4-1 {84#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,407 INFO L280 TraceCheckUtils]: 5: Hoare triple {84#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L4-2 {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,410 INFO L280 TraceCheckUtils]: 6: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L4-3 {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,413 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := 0, 0; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,415 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} ~p2~0.base, ~p2~0.offset := 0, 0; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,417 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} assume true; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,421 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {67#(not (= |~#b~0.base| |~#a~0.base|))} {54#true} #55#return; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:41,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {85#(and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|))} SUMMARY for call #t~mem0 := read~int(~p1~0.base, ~p1~0.offset, 4); srcloc: fENTRY {86#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} is VALID [2020-07-18 00:21:41,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {86#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} SUMMARY for call #t~mem1 := read~int(~p2~0.base, ~p2~0.offset, 4); srcloc: L8 {87#(and (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)) (or (not (= 1 |f_#t~mem1|)) (= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))))} is VALID [2020-07-18 00:21:41,969 INFO L280 TraceCheckUtils]: 2: Hoare triple {87#(and (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)) (or (not (= 1 |f_#t~mem1|)) (= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))))} SUMMARY for call #t~mem2 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L8-1 {88#(and (or (not (= 1 |f_#t~mem1|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (= |f_#t~mem0| |f_#t~mem2|) (not (= |old(~p1~0.offset)| |~#a~0.offset|))) (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)))} is VALID [2020-07-18 00:21:41,971 INFO L280 TraceCheckUtils]: 3: Hoare triple {88#(and (or (not (= 1 |f_#t~mem1|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (= |f_#t~mem0| |f_#t~mem2|) (not (= |old(~p1~0.offset)| |~#a~0.offset|))) (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)))} ~v~0 := #t~mem0 + #t~mem1 - #t~mem2; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem1; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,975 INFO L280 TraceCheckUtils]: 5: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem2; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem0; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,979 INFO L280 TraceCheckUtils]: 7: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} assume !(1 == ~v~0); {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,980 INFO L280 TraceCheckUtils]: 8: Hoare triple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} #res := 0; {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,982 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} assume true; {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:41,985 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} #59#return; {55#false} is VALID [2020-07-18 00:21:41,991 INFO L263 TraceCheckUtils]: 0: Hoare triple {54#true} call ULTIMATE.init(); {83#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:21:41,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {83#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {54#true} is VALID [2020-07-18 00:21:41,992 INFO L280 TraceCheckUtils]: 2: Hoare triple {54#true} #valid := #valid[0 := 0]; {54#true} is VALID [2020-07-18 00:21:41,993 INFO L280 TraceCheckUtils]: 3: Hoare triple {54#true} assume 0 < #StackHeapBarrier; {54#true} is VALID [2020-07-18 00:21:41,995 INFO L280 TraceCheckUtils]: 4: Hoare triple {54#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L4 {84#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,996 INFO L280 TraceCheckUtils]: 5: Hoare triple {84#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#a~0.base, ~#a~0.offset, 4); srcloc: L4-1 {84#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:41,998 INFO L280 TraceCheckUtils]: 6: Hoare triple {84#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L4-2 {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L4-3 {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,003 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := 0, 0; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,005 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} ~p2~0.base, ~p2~0.offset := 0, 0; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,006 INFO L280 TraceCheckUtils]: 10: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} assume true; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,009 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {67#(not (= |~#b~0.base| |~#a~0.base|))} {54#true} #55#return; {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,010 INFO L263 TraceCheckUtils]: 12: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} call #t~ret7 := main(); {67#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:42,012 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset; {68#(and (= ~p1~0.offset |~#a~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,019 INFO L280 TraceCheckUtils]: 14: Hoare triple {68#(and (= ~p1~0.offset |~#a~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base))} ~p2~0.base, ~p2~0.offset := ~#b~0.base, ~#b~0.offset; {69#(and (= ~p1~0.offset |~#a~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= ~p2~0.offset |~#b~0.offset|))} is VALID [2020-07-18 00:21:42,022 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#(and (= ~p1~0.offset |~#a~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= ~p2~0.offset |~#b~0.offset|))} SUMMARY for call write~int(1, ~#b~0.base, ~#b~0.offset, 4); srcloc: L22 {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,024 INFO L280 TraceCheckUtils]: 16: Hoare triple {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} SUMMARY for call write~int(5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L22-1 {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,026 INFO L280 TraceCheckUtils]: 17: Hoare triple {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} SUMMARY for call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L23 {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,028 INFO L280 TraceCheckUtils]: 18: Hoare triple {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} #t~post4 := #t~mem3; {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,030 INFO L280 TraceCheckUtils]: 19: Hoare triple {70#(and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= 1 (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset)) (= |~#a~0.base| ~p1~0.base))} SUMMARY for call write~int(#t~post4 - 1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L25-1 {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,031 INFO L280 TraceCheckUtils]: 20: Hoare triple {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} havoc #t~post4; {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,033 INFO L280 TraceCheckUtils]: 21: Hoare triple {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} havoc #t~mem3; {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} is VALID [2020-07-18 00:21:42,038 INFO L263 TraceCheckUtils]: 22: Hoare triple {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} call #t~ret5 := f(); {85#(and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|))} is VALID [2020-07-18 00:21:42,039 INFO L280 TraceCheckUtils]: 23: Hoare triple {85#(and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|))} SUMMARY for call #t~mem0 := read~int(~p1~0.base, ~p1~0.offset, 4); srcloc: fENTRY {86#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} is VALID [2020-07-18 00:21:42,041 INFO L280 TraceCheckUtils]: 24: Hoare triple {86#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} SUMMARY for call #t~mem1 := read~int(~p2~0.base, ~p2~0.offset, 4); srcloc: L8 {87#(and (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)) (or (not (= 1 |f_#t~mem1|)) (= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))))} is VALID [2020-07-18 00:21:42,043 INFO L280 TraceCheckUtils]: 25: Hoare triple {87#(and (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)) (or (not (= 1 |f_#t~mem1|)) (= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))))} SUMMARY for call #t~mem2 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L8-1 {88#(and (or (not (= 1 |f_#t~mem1|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (= |f_#t~mem0| |f_#t~mem2|) (not (= |old(~p1~0.offset)| |~#a~0.offset|))) (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)))} is VALID [2020-07-18 00:21:42,045 INFO L280 TraceCheckUtils]: 26: Hoare triple {88#(and (or (not (= 1 |f_#t~mem1|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (= |f_#t~mem0| |f_#t~mem2|) (not (= |old(~p1~0.offset)| |~#a~0.offset|))) (or (= |f_#t~mem1| (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= 1 |f_#t~mem1|)))} ~v~0 := #t~mem0 + #t~mem1 - #t~mem2; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,046 INFO L280 TraceCheckUtils]: 27: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem1; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,049 INFO L280 TraceCheckUtils]: 28: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem2; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,051 INFO L280 TraceCheckUtils]: 29: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} havoc #t~mem0; {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,053 INFO L280 TraceCheckUtils]: 30: Hoare triple {89#(or (and (<= f_~v~0 1) (<= 1 f_~v~0)) (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} assume !(1 == ~v~0); {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,055 INFO L280 TraceCheckUtils]: 31: Hoare triple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} #res := 0; {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,057 INFO L280 TraceCheckUtils]: 32: Hoare triple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} assume true; {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} is VALID [2020-07-18 00:21:42,061 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {90#(or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))} {71#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} #59#return; {55#false} is VALID [2020-07-18 00:21:42,062 INFO L280 TraceCheckUtils]: 34: Hoare triple {55#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {55#false} is VALID [2020-07-18 00:21:42,062 INFO L280 TraceCheckUtils]: 35: Hoare triple {55#false} SUMMARY for call write~int(#t~ret5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L27-2 {55#false} is VALID [2020-07-18 00:21:42,063 INFO L280 TraceCheckUtils]: 36: Hoare triple {55#false} havoc #t~ret5; {55#false} is VALID [2020-07-18 00:21:42,063 INFO L280 TraceCheckUtils]: 37: Hoare triple {55#false} SUMMARY for call #t~mem6 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L29 {55#false} is VALID [2020-07-18 00:21:42,063 INFO L280 TraceCheckUtils]: 38: Hoare triple {55#false} assume 0 == #t~mem6 || ~p1~0.base != ~p2~0.base || ~p1~0.offset != ~p2~0.offset; {55#false} is VALID [2020-07-18 00:21:42,064 INFO L280 TraceCheckUtils]: 39: Hoare triple {55#false} havoc #t~mem6; {55#false} is VALID [2020-07-18 00:21:42,064 INFO L280 TraceCheckUtils]: 40: Hoare triple {55#false} assume !false; {55#false} is VALID [2020-07-18 00:21:42,075 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 00:21:42,263 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_main_#t~ret5_6| Int)) (and (exists ((|v_#memory_int_18| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_18| |c_~#a~0.base| (store (select |v_#memory_int_18| |c_~#a~0.base|) |c_~#a~0.offset| |v_main_#t~ret5_6|)) |c_#memory_int|) (or (not (= 1 (select (select |v_#memory_int_18| c_~p2~0.base) c_~p2~0.offset))) (not (= |c_old(~p1~0.base)| |c_~#a~0.base|)) (not (= |c_old(~p1~0.offset)| |c_~#a~0.offset|))))) (<= |v_main_#t~ret5_6| 2147483647) (<= 0 (+ |v_main_#t~ret5_6| 2147483648)))) is different from true [2020-07-18 00:21:42,572 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:21:42,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503859218] [2020-07-18 00:21:42,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:21:42,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-18 00:21:42,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671377330] [2020-07-18 00:21:42,590 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 41 [2020-07-18 00:21:42,595 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:21:42,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2020-07-18 00:21:42,607 WARN L140 InductivityCheck]: Transition 96#(and (or (not (= ~p2~0.base ~p1~0.base)) (not (= ~p2~0.offset ~p1~0.offset)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (exists ((|v_main_#t~ret5_6| Int)) (and (exists ((|v_#memory_int_18| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_18| |~#a~0.base| (store (select |v_#memory_int_18| |~#a~0.base|) |~#a~0.offset| |v_main_#t~ret5_6|)) |#memory_int|) (or (not (= 1 (select (select |v_#memory_int_18| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|))))) (<= 0 (+ |v_main_#t~ret5_6| 2147483648)) (<= |v_main_#t~ret5_6| 2147483647)))) ( _ , assume !false; , 55#false ) not inductive [2020-07-18 00:21:42,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:21:42,609 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 00:21:42,618 INFO L168 Benchmark]: Toolchain (without parser) took 3262.73 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 104.6 MB in the beginning and 113.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,619 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,621 INFO L168 Benchmark]: Boogie Preprocessor took 150.79 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 94.2 MB in the beginning and 181.7 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,623 INFO L168 Benchmark]: RCFGBuilder took 537.14 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 157.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,624 INFO L168 Benchmark]: TraceAbstraction took 2236.52 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 157.1 MB in the beginning and 113.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:42,629 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 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 325.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.79 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 94.2 MB in the beginning and 181.7 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 537.14 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 157.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2236.52 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 157.1 MB in the beginning and 113.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 75.3 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...