/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/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:21:44,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:21:44,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:21:44,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:21:44,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:21:44,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:21:44,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:21:44,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:21:44,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:21:44,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:21:44,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:21:44,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:21:44,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:21:44,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:21:44,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:21:44,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:21:44,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:21:44,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:21:44,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:21:44,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:21:44,180 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 00:21:44,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:21:44,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:21:44,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:21:44,193 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:21:44,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:21:44,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:21:44,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:21:44,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:21:44,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:21:44,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:21:44,195 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:21:44,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:21:44,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:21:44,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:21:44,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:21:44,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:21:44,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:21:44,196 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:21:44,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:21:44,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:21:44,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:21:44,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:21:44,496 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:21:44,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2020-07-18 00:21:44,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b64833/db24ccdde7844560bf53b04435ae2cbd/FLAGb6fb236a1 [2020-07-18 00:21:45,015 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:21:45,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2020-07-18 00:21:45,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b64833/db24ccdde7844560bf53b04435ae2cbd/FLAGb6fb236a1 [2020-07-18 00:21:45,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b64833/db24ccdde7844560bf53b04435ae2cbd [2020-07-18 00:21:45,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:21:45,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:21:45,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:45,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:21:45,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:21:45,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bb5dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45, skipping insertion in model container [2020-07-18 00:21:45,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:21:45,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:21:45,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:45,641 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:21:45,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:45,678 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:21:45,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45 WrapperNode [2020-07-18 00:21:45,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:45,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:21:45,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:21:45,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:21:45,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (1/1) ... [2020-07-18 00:21:45,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:21:45,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:21:45,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:21:45,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:21:45,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (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 00:21:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:21:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:21:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-18 00:21:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:21:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 00:21:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:21:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:21:46,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:21:46,244 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:21:46,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:46 BoogieIcfgContainer [2020-07-18 00:21:46,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:21:46,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:21:46,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:21:46,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:21:46,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:21:45" (1/3) ... [2020-07-18 00:21:46,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1253757a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:46, skipping insertion in model container [2020-07-18 00:21:46,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:45" (2/3) ... [2020-07-18 00:21:46,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1253757a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:46, skipping insertion in model container [2020-07-18 00:21:46,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:46" (3/3) ... [2020-07-18 00:21:46,260 INFO L109 eAbstractionObserver]: Analyzing ICFG test09.c [2020-07-18 00:21:46,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:21:46,282 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:21:46,300 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:21:46,324 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:21:46,324 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:21:46,324 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:21:46,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:21:46,325 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:21:46,325 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:21:46,325 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:21:46,325 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:21:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-07-18 00:21:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-18 00:21:46,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:21:46,360 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, 1] [2020-07-18 00:21:46,360 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:21:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:21:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash 19454853, now seen corresponding path program 1 times [2020-07-18 00:21:46,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:21:46,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598871601] [2020-07-18 00:21:46,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:21:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:47,040 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#(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; {55#true} is VALID [2020-07-18 00:21:47,041 INFO L280 TraceCheckUtils]: 1: Hoare triple {55#true} #valid := #valid[0 := 0]; {55#true} is VALID [2020-07-18 00:21:47,041 INFO L280 TraceCheckUtils]: 2: Hoare triple {55#true} assume 0 < #StackHeapBarrier; {55#true} is VALID [2020-07-18 00:21:47,044 INFO L280 TraceCheckUtils]: 3: Hoare triple {55#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L4 {85#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,045 INFO L280 TraceCheckUtils]: 4: Hoare triple {85#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#a~0.base, ~#a~0.offset, 4); srcloc: L4-1 {85#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,046 INFO L280 TraceCheckUtils]: 5: Hoare triple {85#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L4-2 {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,047 INFO L280 TraceCheckUtils]: 6: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L4-3 {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,049 INFO L280 TraceCheckUtils]: 7: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := 0, 0; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,050 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} ~p2~0.base, ~p2~0.offset := 0, 0; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,052 INFO L280 TraceCheckUtils]: 9: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} assume true; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,055 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {68#(not (= |~#b~0.base| |~#a~0.base|))} {55#true} #56#return; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:21:47,491 INFO L280 TraceCheckUtils]: 0: Hoare triple {86#(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 {87#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} is VALID [2020-07-18 00:21:47,493 INFO L280 TraceCheckUtils]: 1: Hoare triple {87#(= |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 {88#(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 00:21:47,494 INFO L280 TraceCheckUtils]: 2: Hoare triple {88#(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 {89#(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 00:21:47,496 INFO L280 TraceCheckUtils]: 3: Hoare triple {89#(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; {90#(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 00:21:47,497 INFO L280 TraceCheckUtils]: 4: Hoare triple {90#(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; {90#(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 00:21:47,498 INFO L280 TraceCheckUtils]: 5: Hoare triple {90#(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; {90#(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 00:21:47,500 INFO L280 TraceCheckUtils]: 6: Hoare triple {90#(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; {90#(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 00:21:47,501 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#(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); {91#(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 00:21:47,503 INFO L280 TraceCheckUtils]: 8: Hoare triple {91#(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; {91#(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 00:21:47,504 INFO L280 TraceCheckUtils]: 9: Hoare triple {91#(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; {91#(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 00:21:47,507 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {91#(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|)))} {72#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} #60#return; {56#false} is VALID [2020-07-18 00:21:47,512 INFO L263 TraceCheckUtils]: 0: Hoare triple {55#true} call ULTIMATE.init(); {84#(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 00:21:47,513 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#(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; {55#true} is VALID [2020-07-18 00:21:47,513 INFO L280 TraceCheckUtils]: 2: Hoare triple {55#true} #valid := #valid[0 := 0]; {55#true} is VALID [2020-07-18 00:21:47,514 INFO L280 TraceCheckUtils]: 3: Hoare triple {55#true} assume 0 < #StackHeapBarrier; {55#true} is VALID [2020-07-18 00:21:47,515 INFO L280 TraceCheckUtils]: 4: Hoare triple {55#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L4 {85#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,516 INFO L280 TraceCheckUtils]: 5: Hoare triple {85#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#a~0.base, ~#a~0.offset, 4); srcloc: L4-1 {85#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,517 INFO L280 TraceCheckUtils]: 6: Hoare triple {85#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L4-2 {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,518 INFO L280 TraceCheckUtils]: 7: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L4-3 {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,520 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := 0, 0; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,521 INFO L280 TraceCheckUtils]: 9: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} ~p2~0.base, ~p2~0.offset := 0, 0; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,521 INFO L280 TraceCheckUtils]: 10: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} assume true; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,523 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {68#(not (= |~#b~0.base| |~#a~0.base|))} {55#true} #56#return; {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,526 INFO L263 TraceCheckUtils]: 12: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} call #t~ret7 := main(); {68#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-18 00:21:47,533 INFO L280 TraceCheckUtils]: 13: Hoare triple {68#(not (= |~#b~0.base| |~#a~0.base|))} ~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset; {69#(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 00:21:47,536 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#(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; {70#(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 00:21:47,538 INFO L280 TraceCheckUtils]: 15: Hoare triple {70#(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 {71#(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 00:21:47,540 INFO L280 TraceCheckUtils]: 16: Hoare triple {71#(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 {71#(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 00:21:47,541 INFO L280 TraceCheckUtils]: 17: Hoare triple {71#(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 {71#(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 00:21:47,542 INFO L280 TraceCheckUtils]: 18: Hoare triple {71#(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; {71#(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 00:21:47,545 INFO L280 TraceCheckUtils]: 19: Hoare triple {71#(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 {72#(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 00:21:47,546 INFO L280 TraceCheckUtils]: 20: Hoare triple {72#(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; {72#(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 00:21:47,548 INFO L280 TraceCheckUtils]: 21: Hoare triple {72#(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; {72#(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 00:21:47,551 INFO L263 TraceCheckUtils]: 22: Hoare triple {72#(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(); {86#(and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|))} is VALID [2020-07-18 00:21:47,553 INFO L280 TraceCheckUtils]: 23: Hoare triple {86#(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 {87#(= |f_#t~mem0| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|))} is VALID [2020-07-18 00:21:47,554 INFO L280 TraceCheckUtils]: 24: Hoare triple {87#(= |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 {88#(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 00:21:47,555 INFO L280 TraceCheckUtils]: 25: Hoare triple {88#(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 {89#(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 00:21:47,557 INFO L280 TraceCheckUtils]: 26: Hoare triple {89#(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; {90#(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 00:21:47,558 INFO L280 TraceCheckUtils]: 27: Hoare triple {90#(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; {90#(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 00:21:47,559 INFO L280 TraceCheckUtils]: 28: Hoare triple {90#(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; {90#(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 00:21:47,564 INFO L280 TraceCheckUtils]: 29: Hoare triple {90#(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; {90#(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 00:21:47,566 INFO L280 TraceCheckUtils]: 30: Hoare triple {90#(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); {91#(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 00:21:47,567 INFO L280 TraceCheckUtils]: 31: Hoare triple {91#(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; {91#(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 00:21:47,569 INFO L280 TraceCheckUtils]: 32: Hoare triple {91#(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; {91#(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 00:21:47,571 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {91#(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|)))} {72#(and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= |~#a~0.base| ~p1~0.base))} #60#return; {56#false} is VALID [2020-07-18 00:21:47,572 INFO L280 TraceCheckUtils]: 34: Hoare triple {56#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {56#false} is VALID [2020-07-18 00:21:47,572 INFO L280 TraceCheckUtils]: 35: Hoare triple {56#false} SUMMARY for call write~int(#t~ret5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L27-2 {56#false} is VALID [2020-07-18 00:21:47,572 INFO L280 TraceCheckUtils]: 36: Hoare triple {56#false} havoc #t~ret5; {56#false} is VALID [2020-07-18 00:21:47,573 INFO L280 TraceCheckUtils]: 37: Hoare triple {56#false} SUMMARY for call write~int(1000, ~p1~0.base, ~p1~0.offset, 4); srcloc: L29 {56#false} is VALID [2020-07-18 00:21:47,573 INFO L280 TraceCheckUtils]: 38: Hoare triple {56#false} SUMMARY for call #t~mem6 := read~int(~p2~0.base, ~p2~0.offset, 4); srcloc: L29-1 {56#false} is VALID [2020-07-18 00:21:47,573 INFO L280 TraceCheckUtils]: 39: Hoare triple {56#false} assume 1000 != #t~mem6; {56#false} is VALID [2020-07-18 00:21:47,574 INFO L280 TraceCheckUtils]: 40: Hoare triple {56#false} havoc #t~mem6; {56#false} is VALID [2020-07-18 00:21:47,574 INFO L280 TraceCheckUtils]: 41: Hoare triple {56#false} assume !false; {56#false} is VALID [2020-07-18 00:21:47,593 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 00:21:47,738 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_main_#t~ret5_6| Int)) (and (<= 0 (+ |v_main_#t~ret5_6| 2147483648)) (<= |v_main_#t~ret5_6| 2147483647) (exists ((|v_#memory_int_20| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_20| |c_~#a~0.base| (store (select |v_#memory_int_20| |c_~#a~0.base|) |c_~#a~0.offset| |v_main_#t~ret5_6|)) |c_#memory_int|) (or (not (= 1 (select (select |v_#memory_int_20| 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|))))))) is different from true [2020-07-18 00:21:47,757 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_21| (Array Int (Array Int Int)))) (and (exists ((|v_main_#t~ret5_6| Int)) (and (<= 0 (+ |v_main_#t~ret5_6| 2147483648)) (<= |v_main_#t~ret5_6| 2147483647) (exists ((|v_#memory_int_20| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_20| |c_~#a~0.base| (store (select |v_#memory_int_20| |c_~#a~0.base|) |c_~#a~0.offset| |v_main_#t~ret5_6|)) |v_#memory_int_21|) (or (not (= 1 (select (select |v_#memory_int_20| 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|))))))) (= (store |v_#memory_int_21| c_~p1~0.base (store (select |v_#memory_int_21| c_~p1~0.base) c_~p1~0.offset 1000)) |c_#memory_int|))) is different from true [2020-07-18 00:21:47,920 WARN L860 $PredicateComparison]: unable to prove that (and (not (= 1000 (select (select |c_#memory_int| c_~p2~0.base) c_~p2~0.offset))) (exists ((|v_#memory_int_21| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_21| c_~p1~0.base (store (select |v_#memory_int_21| c_~p1~0.base) c_~p1~0.offset 1000)) |c_#memory_int|) (exists ((|v_main_#t~ret5_6| Int)) (and (<= 0 (+ |v_main_#t~ret5_6| 2147483648)) (<= |v_main_#t~ret5_6| 2147483647) (exists ((|v_#memory_int_20| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_20| |c_~#a~0.base| (store (select |v_#memory_int_20| |c_~#a~0.base|) |c_~#a~0.offset| |v_main_#t~ret5_6|)) |v_#memory_int_21|) (or (not (= 1 (select (select |v_#memory_int_20| 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|)))))))))) is different from true [2020-07-18 00:21:47,922 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:21:47,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598871601] [2020-07-18 00:21:47,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:21:47,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-18 00:21:47,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747749919] [2020-07-18 00:21:47,935 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2020-07-18 00:21:47,938 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:21:47,942 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2020-07-18 00:21:47,957 WARN L140 InductivityCheck]: Transition 98#(and (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (exists ((|v_#memory_int_21| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_21| ~p1~0.base (store (select |v_#memory_int_21| ~p1~0.base) ~p1~0.offset 1000)) |#memory_int|) (exists ((|v_main_#t~ret5_6| Int)) (and (<= 0 (+ |v_main_#t~ret5_6| 2147483648)) (<= |v_main_#t~ret5_6| 2147483647) (exists ((|v_#memory_int_20| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_20| |~#a~0.base| (store (select |v_#memory_int_20| |~#a~0.base|) |~#a~0.offset| |v_main_#t~ret5_6|)) |v_#memory_int_21|) (or (not (= 1 (select (select |v_#memory_int_20| ~p2~0.base) ~p2~0.offset))) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)))))))))) ( _ , assume !false; , 56#false ) not inductive [2020-07-18 00:21:47,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:21:47,959 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 00:21:47,965 INFO L168 Benchmark]: Toolchain (without parser) took 2565.95 ms. Allocated memory was 143.7 MB in the beginning and 231.2 MB in the end (delta: 87.6 MB). Free memory was 102.0 MB in the beginning and 121.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,966 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.60 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 91.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,968 INFO L168 Benchmark]: Boogie Preprocessor took 153.21 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,969 INFO L168 Benchmark]: RCFGBuilder took 416.22 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 155.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,970 INFO L168 Benchmark]: TraceAbstraction took 1710.87 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 154.5 MB in the beginning and 121.3 MB in the end (delta: 33.2 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:47,974 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 0.26 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.60 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 91.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.21 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 416.22 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 155.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1710.87 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 154.5 MB in the beginning and 121.3 MB in the end (delta: 33.2 MB). Peak memory consumption was 63.1 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...