/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/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:01:53,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:01:53,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:01:53,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:01:53,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:01:53,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:01:53,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:01:53,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:01:53,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:01:53,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:01:53,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:01:53,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:01:53,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:01:53,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:01:53,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:01:53,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:01:53,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:01:53,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:01:53,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:01:53,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:01:53,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:01:53,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:01:53,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:01:53,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:01:53,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 19:01:53,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:01:53,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:01:53,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:01:53,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:01:53,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:01:53,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:01:53,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:01:53,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:01:53,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:01:53,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:01:53,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:01:53,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:01:53,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:01:53,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:01:53,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:01:53,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:01:53,534 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:01:53,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:01:53,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:01:53,535 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:01:53,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:01:53,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:01:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:01:53,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:01:53,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:01:53,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:01:53,537 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:01:53,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:01:53,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:01:53,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:01:53,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:01:53,917 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:01:53,918 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2020-07-10 19:01:54,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec6891e3/0a186d2a5fcc4ec883e313489ff0e257/FLAG22a169d0a [2020-07-10 19:01:54,495 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:01:54,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2020-07-10 19:01:54,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec6891e3/0a186d2a5fcc4ec883e313489ff0e257/FLAG22a169d0a [2020-07-10 19:01:54,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec6891e3/0a186d2a5fcc4ec883e313489ff0e257 [2020-07-10 19:01:54,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:01:54,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:01:54,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:01:54,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:01:54,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:01:54,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:01:54" (1/1) ... [2020-07-10 19:01:54,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161b7128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:54, skipping insertion in model container [2020-07-10 19:01:54,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:01:54" (1/1) ... [2020-07-10 19:01:54,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:01:54,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:01:55,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:01:55,131 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:01:55,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:01:55,182 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:01:55,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55 WrapperNode [2020-07-10 19:01:55,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:01:55,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:01:55,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:01:55,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:01:55,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... [2020-07-10 19:01:55,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:01:55,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:01:55,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:01:55,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:01:55,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-10 19:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-10 19:01:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 19:01:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:01:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:01:56,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:01:56,040 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 19:01:56,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:01:56 BoogieIcfgContainer [2020-07-10 19:01:56,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:01:56,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:01:56,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:01:56,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:01:56,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:01:54" (1/3) ... [2020-07-10 19:01:56,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5fc7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:01:56, skipping insertion in model container [2020-07-10 19:01:56,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:01:55" (2/3) ... [2020-07-10 19:01:56,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5fc7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:01:56, skipping insertion in model container [2020-07-10 19:01:56,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:01:56" (3/3) ... [2020-07-10 19:01:56,055 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2020-07-10 19:01:56,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:01:56,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:01:56,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:01:56,115 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:01:56,115 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:01:56,116 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:01:56,116 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:01:56,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:01:56,119 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:01:56,119 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:01:56,119 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:01:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-07-10 19:01:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-10 19:01:56,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:01:56,149 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] [2020-07-10 19:01:56,150 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:01:56,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:01:56,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1338333096, now seen corresponding path program 1 times [2020-07-10 19:01:56,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:01:56,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294354920] [2020-07-10 19:01:56,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:01:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:56,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {84#true} is VALID [2020-07-10 19:01:56,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} #valid := #valid[0 := 0]; {84#true} is VALID [2020-07-10 19:01:56,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} assume 0 < #StackHeapBarrier; {84#true} is VALID [2020-07-10 19:01:56,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-10 19:01:56,554 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {84#true} {84#true} #90#return; {84#true} is VALID [2020-07-10 19:01:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:56,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {104#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {105#(= |f_#in~a| f_~a)} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {105#(= |f_#in~a| f_~a)} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,667 INFO L280 TraceCheckUtils]: 3: Hoare triple {105#(= |f_#in~a| f_~a)} assume !(4 == ~a); {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,668 INFO L280 TraceCheckUtils]: 4: Hoare triple {106#(not (= 4 |f_#in~a|))} #res := 0; {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,670 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#(not (= 4 |f_#in~a|))} assume true; {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,674 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {106#(not (= 4 |f_#in~a|))} {95#(= 4 |main_#t~mem4|)} #94#return; {85#false} is VALID [2020-07-10 19:01:56,677 INFO L263 TraceCheckUtils]: 0: Hoare triple {84#true} call ULTIMATE.init(); {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:01:56,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {84#true} is VALID [2020-07-10 19:01:56,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} #valid := #valid[0 := 0]; {84#true} is VALID [2020-07-10 19:01:56,680 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} assume 0 < #StackHeapBarrier; {84#true} is VALID [2020-07-10 19:01:56,681 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-10 19:01:56,681 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {84#true} {84#true} #90#return; {84#true} is VALID [2020-07-10 19:01:56,682 INFO L263 TraceCheckUtils]: 6: Hoare triple {84#true} call #t~ret9 := main(); {84#true} is VALID [2020-07-10 19:01:56,682 INFO L280 TraceCheckUtils]: 7: Hoare triple {84#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {84#true} is VALID [2020-07-10 19:01:56,683 INFO L280 TraceCheckUtils]: 8: Hoare triple {84#true} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L21 {84#true} is VALID [2020-07-10 19:01:56,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {84#true} SUMMARY for call ~#p1~0.base, ~#p1~0.offset := #Ultimate.allocOnStack(4); srcloc: L21-1 {84#true} is VALID [2020-07-10 19:01:56,683 INFO L280 TraceCheckUtils]: 10: Hoare triple {84#true} SUMMARY for call ~#p2~0.base, ~#p2~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {84#true} is VALID [2020-07-10 19:01:56,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {84#true} SUMMARY for call write~$Pointer$(~#a~0.base, ~#a~0.offset, ~#p1~0.base, ~#p1~0.offset, 4); srcloc: L22-1 {84#true} is VALID [2020-07-10 19:01:56,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {84#true} SUMMARY for call write~$Pointer$(~#b~0.base, ~#b~0.offset, ~#p2~0.base, ~#p2~0.offset, 4); srcloc: L24 {84#true} is VALID [2020-07-10 19:01:56,685 INFO L280 TraceCheckUtils]: 13: Hoare triple {84#true} SUMMARY for call write~int(1, ~#b~0.base, ~#b~0.offset, 4); srcloc: L25 {84#true} is VALID [2020-07-10 19:01:56,687 INFO L280 TraceCheckUtils]: 14: Hoare triple {84#true} SUMMARY for call write~int(5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L27 {91#(= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:56,688 INFO L280 TraceCheckUtils]: 15: Hoare triple {91#(= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} SUMMARY for call #t~mem2 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L28 {92#(= 5 |main_#t~mem2|)} is VALID [2020-07-10 19:01:56,690 INFO L280 TraceCheckUtils]: 16: Hoare triple {92#(= 5 |main_#t~mem2|)} #t~post3 := #t~mem2; {93#(= 5 |main_#t~post3|)} is VALID [2020-07-10 19:01:56,691 INFO L280 TraceCheckUtils]: 17: Hoare triple {93#(= 5 |main_#t~post3|)} SUMMARY for call write~int(#t~post3 - 1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L30-1 {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:56,694 INFO L280 TraceCheckUtils]: 18: Hoare triple {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} havoc #t~mem2; {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:56,695 INFO L280 TraceCheckUtils]: 19: Hoare triple {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} havoc #t~post3; {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:56,697 INFO L280 TraceCheckUtils]: 20: Hoare triple {94#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} SUMMARY for call #t~mem4 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L32 {95#(= 4 |main_#t~mem4|)} is VALID [2020-07-10 19:01:56,700 INFO L263 TraceCheckUtils]: 21: Hoare triple {95#(= 4 |main_#t~mem4|)} call #t~ret5 := f(#t~mem4, ~#p1~0.base, ~#p1~0.offset, ~#p2~0.base, ~#p2~0.offset); {104#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:01:56,702 INFO L280 TraceCheckUtils]: 22: Hoare triple {104#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,705 INFO L280 TraceCheckUtils]: 23: Hoare triple {105#(= |f_#in~a| f_~a)} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,706 INFO L280 TraceCheckUtils]: 24: Hoare triple {105#(= |f_#in~a| f_~a)} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {105#(= |f_#in~a| f_~a)} is VALID [2020-07-10 19:01:56,707 INFO L280 TraceCheckUtils]: 25: Hoare triple {105#(= |f_#in~a| f_~a)} assume !(4 == ~a); {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,709 INFO L280 TraceCheckUtils]: 26: Hoare triple {106#(not (= 4 |f_#in~a|))} #res := 0; {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,710 INFO L280 TraceCheckUtils]: 27: Hoare triple {106#(not (= 4 |f_#in~a|))} assume true; {106#(not (= 4 |f_#in~a|))} is VALID [2020-07-10 19:01:56,713 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {106#(not (= 4 |f_#in~a|))} {95#(= 4 |main_#t~mem4|)} #94#return; {85#false} is VALID [2020-07-10 19:01:56,713 INFO L280 TraceCheckUtils]: 29: Hoare triple {85#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {85#false} is VALID [2020-07-10 19:01:56,714 INFO L280 TraceCheckUtils]: 30: Hoare triple {85#false} SUMMARY for call write~int(#t~ret5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L32-3 {85#false} is VALID [2020-07-10 19:01:56,714 INFO L280 TraceCheckUtils]: 31: Hoare triple {85#false} havoc #t~ret5; {85#false} is VALID [2020-07-10 19:01:56,715 INFO L280 TraceCheckUtils]: 32: Hoare triple {85#false} havoc #t~mem4; {85#false} is VALID [2020-07-10 19:01:56,715 INFO L280 TraceCheckUtils]: 33: Hoare triple {85#false} SUMMARY for call #t~mem6 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L34 {85#false} is VALID [2020-07-10 19:01:56,715 INFO L280 TraceCheckUtils]: 34: Hoare triple {85#false} assume 1 != #t~mem6; {85#false} is VALID [2020-07-10 19:01:56,716 INFO L280 TraceCheckUtils]: 35: Hoare triple {85#false} havoc #t~mem6; {85#false} is VALID [2020-07-10 19:01:56,716 INFO L280 TraceCheckUtils]: 36: Hoare triple {85#false} assume !false; {85#false} is VALID [2020-07-10 19:01:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:01:56,724 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:01:56,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294354920] [2020-07-10 19:01:56,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:01:56,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 19:01:56,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743652886] [2020-07-10 19:01:56,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-07-10 19:01:56,755 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:01:56,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 19:01:56,826 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:01:56,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 19:01:56,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:01:56,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 19:01:56,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-10 19:01:56,837 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 11 states. [2020-07-10 19:01:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:01:58,727 INFO L93 Difference]: Finished difference Result 113 states and 116 transitions. [2020-07-10 19:01:58,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-10 19:01:58,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-07-10 19:01:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:01:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:01:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 116 transitions. [2020-07-10 19:01:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:01:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 116 transitions. [2020-07-10 19:01:58,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 116 transitions. [2020-07-10 19:01:58,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:01:58,929 INFO L225 Difference]: With dead ends: 113 [2020-07-10 19:01:58,929 INFO L226 Difference]: Without dead ends: 56 [2020-07-10 19:01:58,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2020-07-10 19:01:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-10 19:01:59,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-10 19:01:59,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:01:59,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-10 19:01:59,062 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-10 19:01:59,062 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-10 19:01:59,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:01:59,069 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2020-07-10 19:01:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2020-07-10 19:01:59,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:01:59,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:01:59,070 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-10 19:01:59,070 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-10 19:01:59,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:01:59,077 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2020-07-10 19:01:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2020-07-10 19:01:59,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:01:59,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:01:59,079 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:01:59,079 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:01:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-10 19:01:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2020-07-10 19:01:59,085 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 37 [2020-07-10 19:01:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:01:59,085 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2020-07-10 19:01:59,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 19:01:59,086 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 56 transitions. [2020-07-10 19:01:59,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:01:59,162 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2020-07-10 19:01:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-10 19:01:59,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:01:59,164 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:01:59,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:01:59,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:01:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:01:59,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2074106077, now seen corresponding path program 1 times [2020-07-10 19:01:59,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:01:59,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029689655] [2020-07-10 19:01:59,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:01:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:59,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {607#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {578#true} is VALID [2020-07-10 19:01:59,333 INFO L280 TraceCheckUtils]: 1: Hoare triple {578#true} #valid := #valid[0 := 0]; {578#true} is VALID [2020-07-10 19:01:59,333 INFO L280 TraceCheckUtils]: 2: Hoare triple {578#true} assume 0 < #StackHeapBarrier; {578#true} is VALID [2020-07-10 19:01:59,334 INFO L280 TraceCheckUtils]: 3: Hoare triple {578#true} assume true; {578#true} is VALID [2020-07-10 19:01:59,334 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {578#true} {578#true} #90#return; {578#true} is VALID [2020-07-10 19:01:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:01:59,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {578#true} is VALID [2020-07-10 19:01:59,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {578#true} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {578#true} is VALID [2020-07-10 19:01:59,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {578#true} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {578#true} is VALID [2020-07-10 19:01:59,403 INFO L280 TraceCheckUtils]: 3: Hoare triple {578#true} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {578#true} havoc #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,403 INFO L280 TraceCheckUtils]: 5: Hoare triple {578#true} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {578#true} is VALID [2020-07-10 19:01:59,403 INFO L280 TraceCheckUtils]: 6: Hoare triple {578#true} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {578#true} is VALID [2020-07-10 19:01:59,404 INFO L280 TraceCheckUtils]: 7: Hoare triple {578#true} havoc #t~mem1.base, #t~mem1.offset; {578#true} is VALID [2020-07-10 19:01:59,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {578#true} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {578#true} is VALID [2020-07-10 19:01:59,405 INFO L280 TraceCheckUtils]: 9: Hoare triple {578#true} assume true; {578#true} is VALID [2020-07-10 19:01:59,405 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {578#true} {578#true} #88#return; {578#true} is VALID [2020-07-10 19:01:59,406 INFO L280 TraceCheckUtils]: 0: Hoare triple {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {578#true} is VALID [2020-07-10 19:01:59,406 INFO L280 TraceCheckUtils]: 1: Hoare triple {578#true} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {578#true} is VALID [2020-07-10 19:01:59,406 INFO L280 TraceCheckUtils]: 2: Hoare triple {578#true} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {578#true} is VALID [2020-07-10 19:01:59,407 INFO L280 TraceCheckUtils]: 3: Hoare triple {578#true} assume 4 == ~a; {578#true} is VALID [2020-07-10 19:01:59,408 INFO L263 TraceCheckUtils]: 4: Hoare triple {578#true} call g(~p1.base, ~p1.offset, ~p2.base, ~p2.offset); {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:01:59,409 INFO L280 TraceCheckUtils]: 5: Hoare triple {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {578#true} is VALID [2020-07-10 19:01:59,409 INFO L280 TraceCheckUtils]: 6: Hoare triple {578#true} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {578#true} is VALID [2020-07-10 19:01:59,409 INFO L280 TraceCheckUtils]: 7: Hoare triple {578#true} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {578#true} is VALID [2020-07-10 19:01:59,410 INFO L280 TraceCheckUtils]: 8: Hoare triple {578#true} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,410 INFO L280 TraceCheckUtils]: 9: Hoare triple {578#true} havoc #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,410 INFO L280 TraceCheckUtils]: 10: Hoare triple {578#true} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {578#true} is VALID [2020-07-10 19:01:59,411 INFO L280 TraceCheckUtils]: 11: Hoare triple {578#true} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {578#true} is VALID [2020-07-10 19:01:59,411 INFO L280 TraceCheckUtils]: 12: Hoare triple {578#true} havoc #t~mem1.base, #t~mem1.offset; {578#true} is VALID [2020-07-10 19:01:59,411 INFO L280 TraceCheckUtils]: 13: Hoare triple {578#true} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {578#true} is VALID [2020-07-10 19:01:59,412 INFO L280 TraceCheckUtils]: 14: Hoare triple {578#true} assume true; {578#true} is VALID [2020-07-10 19:01:59,412 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {578#true} {578#true} #88#return; {578#true} is VALID [2020-07-10 19:01:59,413 INFO L280 TraceCheckUtils]: 16: Hoare triple {578#true} #res := 1; {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} is VALID [2020-07-10 19:01:59,414 INFO L280 TraceCheckUtils]: 17: Hoare triple {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} assume true; {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} is VALID [2020-07-10 19:01:59,416 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} {578#true} #94#return; {604#(= 1 |main_#t~ret5|)} is VALID [2020-07-10 19:01:59,418 INFO L263 TraceCheckUtils]: 0: Hoare triple {578#true} call ULTIMATE.init(); {607#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:01:59,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {607#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {578#true} is VALID [2020-07-10 19:01:59,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {578#true} #valid := #valid[0 := 0]; {578#true} is VALID [2020-07-10 19:01:59,419 INFO L280 TraceCheckUtils]: 3: Hoare triple {578#true} assume 0 < #StackHeapBarrier; {578#true} is VALID [2020-07-10 19:01:59,419 INFO L280 TraceCheckUtils]: 4: Hoare triple {578#true} assume true; {578#true} is VALID [2020-07-10 19:01:59,419 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {578#true} {578#true} #90#return; {578#true} is VALID [2020-07-10 19:01:59,420 INFO L263 TraceCheckUtils]: 6: Hoare triple {578#true} call #t~ret9 := main(); {578#true} is VALID [2020-07-10 19:01:59,420 INFO L280 TraceCheckUtils]: 7: Hoare triple {578#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {578#true} is VALID [2020-07-10 19:01:59,420 INFO L280 TraceCheckUtils]: 8: Hoare triple {578#true} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L21 {578#true} is VALID [2020-07-10 19:01:59,421 INFO L280 TraceCheckUtils]: 9: Hoare triple {578#true} SUMMARY for call ~#p1~0.base, ~#p1~0.offset := #Ultimate.allocOnStack(4); srcloc: L21-1 {578#true} is VALID [2020-07-10 19:01:59,421 INFO L280 TraceCheckUtils]: 10: Hoare triple {578#true} SUMMARY for call ~#p2~0.base, ~#p2~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {578#true} is VALID [2020-07-10 19:01:59,421 INFO L280 TraceCheckUtils]: 11: Hoare triple {578#true} SUMMARY for call write~$Pointer$(~#a~0.base, ~#a~0.offset, ~#p1~0.base, ~#p1~0.offset, 4); srcloc: L22-1 {578#true} is VALID [2020-07-10 19:01:59,422 INFO L280 TraceCheckUtils]: 12: Hoare triple {578#true} SUMMARY for call write~$Pointer$(~#b~0.base, ~#b~0.offset, ~#p2~0.base, ~#p2~0.offset, 4); srcloc: L24 {578#true} is VALID [2020-07-10 19:01:59,422 INFO L280 TraceCheckUtils]: 13: Hoare triple {578#true} SUMMARY for call write~int(1, ~#b~0.base, ~#b~0.offset, 4); srcloc: L25 {578#true} is VALID [2020-07-10 19:01:59,422 INFO L280 TraceCheckUtils]: 14: Hoare triple {578#true} SUMMARY for call write~int(5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L27 {578#true} is VALID [2020-07-10 19:01:59,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {578#true} SUMMARY for call #t~mem2 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L28 {578#true} is VALID [2020-07-10 19:01:59,423 INFO L280 TraceCheckUtils]: 16: Hoare triple {578#true} #t~post3 := #t~mem2; {578#true} is VALID [2020-07-10 19:01:59,423 INFO L280 TraceCheckUtils]: 17: Hoare triple {578#true} SUMMARY for call write~int(#t~post3 - 1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L30-1 {578#true} is VALID [2020-07-10 19:01:59,424 INFO L280 TraceCheckUtils]: 18: Hoare triple {578#true} havoc #t~mem2; {578#true} is VALID [2020-07-10 19:01:59,424 INFO L280 TraceCheckUtils]: 19: Hoare triple {578#true} havoc #t~post3; {578#true} is VALID [2020-07-10 19:01:59,424 INFO L280 TraceCheckUtils]: 20: Hoare triple {578#true} SUMMARY for call #t~mem4 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L32 {578#true} is VALID [2020-07-10 19:01:59,426 INFO L263 TraceCheckUtils]: 21: Hoare triple {578#true} call #t~ret5 := f(#t~mem4, ~#p1~0.base, ~#p1~0.offset, ~#p2~0.base, ~#p2~0.offset); {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:01:59,427 INFO L280 TraceCheckUtils]: 22: Hoare triple {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {578#true} is VALID [2020-07-10 19:01:59,427 INFO L280 TraceCheckUtils]: 23: Hoare triple {578#true} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {578#true} is VALID [2020-07-10 19:01:59,427 INFO L280 TraceCheckUtils]: 24: Hoare triple {578#true} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {578#true} is VALID [2020-07-10 19:01:59,428 INFO L280 TraceCheckUtils]: 25: Hoare triple {578#true} assume 4 == ~a; {578#true} is VALID [2020-07-10 19:01:59,429 INFO L263 TraceCheckUtils]: 26: Hoare triple {578#true} call g(~p1.base, ~p1.offset, ~p2.base, ~p2.offset); {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:01:59,430 INFO L280 TraceCheckUtils]: 27: Hoare triple {608#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {578#true} is VALID [2020-07-10 19:01:59,430 INFO L280 TraceCheckUtils]: 28: Hoare triple {578#true} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {578#true} is VALID [2020-07-10 19:01:59,430 INFO L280 TraceCheckUtils]: 29: Hoare triple {578#true} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {578#true} is VALID [2020-07-10 19:01:59,431 INFO L280 TraceCheckUtils]: 30: Hoare triple {578#true} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,431 INFO L280 TraceCheckUtils]: 31: Hoare triple {578#true} havoc #t~mem0.base, #t~mem0.offset; {578#true} is VALID [2020-07-10 19:01:59,431 INFO L280 TraceCheckUtils]: 32: Hoare triple {578#true} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {578#true} is VALID [2020-07-10 19:01:59,431 INFO L280 TraceCheckUtils]: 33: Hoare triple {578#true} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {578#true} is VALID [2020-07-10 19:01:59,432 INFO L280 TraceCheckUtils]: 34: Hoare triple {578#true} havoc #t~mem1.base, #t~mem1.offset; {578#true} is VALID [2020-07-10 19:01:59,432 INFO L280 TraceCheckUtils]: 35: Hoare triple {578#true} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {578#true} is VALID [2020-07-10 19:01:59,432 INFO L280 TraceCheckUtils]: 36: Hoare triple {578#true} assume true; {578#true} is VALID [2020-07-10 19:01:59,433 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {578#true} {578#true} #88#return; {578#true} is VALID [2020-07-10 19:01:59,433 INFO L280 TraceCheckUtils]: 38: Hoare triple {578#true} #res := 1; {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} is VALID [2020-07-10 19:01:59,434 INFO L280 TraceCheckUtils]: 39: Hoare triple {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} assume true; {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} is VALID [2020-07-10 19:01:59,436 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {620#(and (<= 1 |f_#res|) (<= |f_#res| 1))} {578#true} #94#return; {604#(= 1 |main_#t~ret5|)} is VALID [2020-07-10 19:01:59,437 INFO L280 TraceCheckUtils]: 41: Hoare triple {604#(= 1 |main_#t~ret5|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {604#(= 1 |main_#t~ret5|)} is VALID [2020-07-10 19:01:59,438 INFO L280 TraceCheckUtils]: 42: Hoare triple {604#(= 1 |main_#t~ret5|)} SUMMARY for call write~int(#t~ret5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L32-3 {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:59,439 INFO L280 TraceCheckUtils]: 43: Hoare triple {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} havoc #t~ret5; {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:59,440 INFO L280 TraceCheckUtils]: 44: Hoare triple {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} havoc #t~mem4; {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:01:59,441 INFO L280 TraceCheckUtils]: 45: Hoare triple {605#(= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} SUMMARY for call #t~mem6 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L34 {606#(= 1 |main_#t~mem6|)} is VALID [2020-07-10 19:01:59,441 INFO L280 TraceCheckUtils]: 46: Hoare triple {606#(= 1 |main_#t~mem6|)} assume 1 != #t~mem6; {579#false} is VALID [2020-07-10 19:01:59,442 INFO L280 TraceCheckUtils]: 47: Hoare triple {579#false} havoc #t~mem6; {579#false} is VALID [2020-07-10 19:01:59,442 INFO L280 TraceCheckUtils]: 48: Hoare triple {579#false} assume !false; {579#false} is VALID [2020-07-10 19:01:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:01:59,446 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:01:59,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029689655] [2020-07-10 19:01:59,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:01:59,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 19:01:59,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818170549] [2020-07-10 19:01:59,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-07-10 19:01:59,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:01:59,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 19:01:59,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:01:59,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 19:01:59,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:01:59,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 19:01:59,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-10 19:01:59,508 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 8 states. [2020-07-10 19:02:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:00,336 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-07-10 19:02:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-10 19:02:00,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-07-10 19:02:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:02:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 19:02:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 57 transitions. [2020-07-10 19:02:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 19:02:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 57 transitions. [2020-07-10 19:02:00,349 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 57 transitions. [2020-07-10 19:02:00,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:02:00,437 INFO L225 Difference]: With dead ends: 58 [2020-07-10 19:02:00,437 INFO L226 Difference]: Without dead ends: 55 [2020-07-10 19:02:00,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-07-10 19:02:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-10 19:02:00,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-10 19:02:00,558 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:02:00,558 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-10 19:02:00,558 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-10 19:02:00,558 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-10 19:02:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:00,563 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-07-10 19:02:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-07-10 19:02:00,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:02:00,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:02:00,564 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-10 19:02:00,564 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-10 19:02:00,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:00,568 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-07-10 19:02:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-07-10 19:02:00,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:02:00,569 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:02:00,569 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:02:00,569 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:02:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-10 19:02:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-07-10 19:02:00,572 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 49 [2020-07-10 19:02:00,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:02:00,573 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-07-10 19:02:00,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 19:02:00,573 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 54 transitions. [2020-07-10 19:02:00,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:02:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-07-10 19:02:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-10 19:02:00,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:02:00,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:02:00,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 19:02:00,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:02:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:02:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash 593220670, now seen corresponding path program 1 times [2020-07-10 19:02:00,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:02:00,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372180882] [2020-07-10 19:02:00,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:02:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:02:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:02:01,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {968#true} is VALID [2020-07-10 19:02:01,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {968#true} #valid := #valid[0 := 0]; {968#true} is VALID [2020-07-10 19:02:01,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {968#true} assume 0 < #StackHeapBarrier; {968#true} is VALID [2020-07-10 19:02:01,315 INFO L280 TraceCheckUtils]: 3: Hoare triple {968#true} assume true; {968#true} is VALID [2020-07-10 19:02:01,316 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {968#true} {968#true} #90#return; {968#true} is VALID [2020-07-10 19:02:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:02:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:02:01,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,960 INFO L280 TraceCheckUtils]: 3: Hoare triple {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:01,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} havoc #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:01,962 INFO L280 TraceCheckUtils]: 5: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} is VALID [2020-07-10 19:02:01,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:01,965 INFO L280 TraceCheckUtils]: 7: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:01,967 INFO L280 TraceCheckUtils]: 8: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:01,968 INFO L280 TraceCheckUtils]: 9: Hoare triple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} assume true; {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:01,970 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} #88#return; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:01,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {1006#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} is VALID [2020-07-10 19:02:01,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {1006#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {1007#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-10 19:02:01,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {1007#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} is VALID [2020-07-10 19:02:01,975 INFO L280 TraceCheckUtils]: 3: Hoare triple {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} assume 4 == ~a; {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} is VALID [2020-07-10 19:02:01,976 INFO L263 TraceCheckUtils]: 4: Hoare triple {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} call g(~p1.base, ~p1.offset, ~p2.base, ~p2.offset); {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:02:01,981 INFO L280 TraceCheckUtils]: 5: Hoare triple {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,981 INFO L280 TraceCheckUtils]: 6: Hoare triple {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,982 INFO L280 TraceCheckUtils]: 7: Hoare triple {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:01,983 INFO L280 TraceCheckUtils]: 8: Hoare triple {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:01,984 INFO L280 TraceCheckUtils]: 9: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} havoc #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:01,986 INFO L280 TraceCheckUtils]: 10: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} is VALID [2020-07-10 19:02:01,987 INFO L280 TraceCheckUtils]: 11: Hoare triple {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:01,988 INFO L280 TraceCheckUtils]: 12: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:01,993 INFO L280 TraceCheckUtils]: 13: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:01,998 INFO L280 TraceCheckUtils]: 14: Hoare triple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} assume true; {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:02,008 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} #88#return; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,008 INFO L280 TraceCheckUtils]: 16: Hoare triple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} #res := 1; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,009 INFO L280 TraceCheckUtils]: 17: Hoare triple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} assume true; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,011 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} #94#return; {1000#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,014 INFO L263 TraceCheckUtils]: 0: Hoare triple {968#true} call ULTIMATE.init(); {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:02:02,015 INFO L280 TraceCheckUtils]: 1: Hoare triple {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {968#true} is VALID [2020-07-10 19:02:02,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {968#true} #valid := #valid[0 := 0]; {968#true} is VALID [2020-07-10 19:02:02,015 INFO L280 TraceCheckUtils]: 3: Hoare triple {968#true} assume 0 < #StackHeapBarrier; {968#true} is VALID [2020-07-10 19:02:02,015 INFO L280 TraceCheckUtils]: 4: Hoare triple {968#true} assume true; {968#true} is VALID [2020-07-10 19:02:02,016 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {968#true} {968#true} #90#return; {968#true} is VALID [2020-07-10 19:02:02,016 INFO L263 TraceCheckUtils]: 6: Hoare triple {968#true} call #t~ret9 := main(); {968#true} is VALID [2020-07-10 19:02:02,017 INFO L280 TraceCheckUtils]: 7: Hoare triple {968#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {975#(= 1 (select |#valid| |main_~#a~0.base|))} is VALID [2020-07-10 19:02:02,018 INFO L280 TraceCheckUtils]: 8: Hoare triple {975#(= 1 (select |#valid| |main_~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L21 {976#(and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,019 INFO L280 TraceCheckUtils]: 9: Hoare triple {976#(and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} SUMMARY for call ~#p1~0.base, ~#p1~0.offset := #Ultimate.allocOnStack(4); srcloc: L21-1 {977#(and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,020 INFO L280 TraceCheckUtils]: 10: Hoare triple {977#(and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call ~#p2~0.base, ~#p2~0.offset := #Ultimate.allocOnStack(4); srcloc: L22 {978#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,021 INFO L280 TraceCheckUtils]: 11: Hoare triple {978#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~$Pointer$(~#a~0.base, ~#a~0.offset, ~#p1~0.base, ~#p1~0.offset, 4); srcloc: L22-1 {978#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,022 INFO L280 TraceCheckUtils]: 12: Hoare triple {978#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~$Pointer$(~#b~0.base, ~#b~0.offset, ~#p2~0.base, ~#p2~0.offset, 4); srcloc: L24 {979#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,024 INFO L280 TraceCheckUtils]: 13: Hoare triple {979#(and (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~int(1, ~#b~0.base, ~#b~0.offset, 4); srcloc: L25 {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,025 INFO L280 TraceCheckUtils]: 14: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~int(5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L27 {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,026 INFO L280 TraceCheckUtils]: 15: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call #t~mem2 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L28 {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} #t~post3 := #t~mem2; {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,036 INFO L280 TraceCheckUtils]: 17: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~int(#t~post3 - 1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L30-1 {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,037 INFO L280 TraceCheckUtils]: 18: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} havoc #t~mem2; {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,038 INFO L280 TraceCheckUtils]: 19: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} havoc #t~post3; {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,039 INFO L280 TraceCheckUtils]: 20: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call #t~mem4 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L32 {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,041 INFO L263 TraceCheckUtils]: 21: Hoare triple {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} call #t~ret5 := f(#t~mem4, ~#p1~0.base, ~#p1~0.offset, ~#p2~0.base, ~#p2~0.offset); {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:02:02,042 INFO L280 TraceCheckUtils]: 22: Hoare triple {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~a := #in~a; {1006#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} is VALID [2020-07-10 19:02:02,043 INFO L280 TraceCheckUtils]: 23: Hoare triple {1006#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {1007#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-10 19:02:02,046 INFO L280 TraceCheckUtils]: 24: Hoare triple {1007#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} is VALID [2020-07-10 19:02:02,046 INFO L280 TraceCheckUtils]: 25: Hoare triple {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} assume 4 == ~a; {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} is VALID [2020-07-10 19:02:02,048 INFO L263 TraceCheckUtils]: 26: Hoare triple {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} call g(~p1.base, ~p1.offset, ~p2.base, ~p2.offset); {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:02:02,049 INFO L280 TraceCheckUtils]: 27: Hoare triple {1005#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~p1.base, ~p1.offset := #in~p1.base, #in~p1.offset; {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:02,049 INFO L280 TraceCheckUtils]: 28: Hoare triple {1021#(and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~p2.base, ~p2.offset := #in~p2.base, #in~p2.offset; {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:02,050 INFO L280 TraceCheckUtils]: 29: Hoare triple {1022#(and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L5 {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} is VALID [2020-07-10 19:02:02,051 INFO L280 TraceCheckUtils]: 30: Hoare triple {1023#(and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))} ~pq~0.base, ~pq~0.offset := #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:02,052 INFO L280 TraceCheckUtils]: 31: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} havoc #t~mem0.base, #t~mem0.offset; {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} is VALID [2020-07-10 19:02:02,053 INFO L280 TraceCheckUtils]: 32: Hoare triple {1024#(and (or (= g_~pq~0.base g_~p1.base) (and (= |g_#in~p2.base| g_~p2.base) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (= g_~p1.offset |g_#in~p1.offset|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#in~p1.base|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= g_~pq~0.base g_~p1.base))))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~p2.base, ~p2.offset, 4); srcloc: L7 {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} is VALID [2020-07-10 19:02:02,054 INFO L280 TraceCheckUtils]: 33: Hoare triple {1025#(and (or (= g_~pq~0.base g_~p1.base) (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= g_~p1.offset |g_#in~p1.offset|) (= g_~pq~0.base |g_#t~mem1.base|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) (or (not (= g_~pq~0.base g_~p1.base)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))))} SUMMARY for call write~$Pointer$(#t~mem1.base, #t~mem1.offset, ~p1.base, ~p1.offset, 4); srcloc: L7-1 {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,061 INFO L280 TraceCheckUtils]: 34: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,062 INFO L280 TraceCheckUtils]: 35: Hoare triple {1026#(or (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= g_~pq~0.base (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset)) (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)))} SUMMARY for call write~int(0, ~pq~0.base, ~pq~0.offset, 4); srcloc: L8 {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:02,068 INFO L280 TraceCheckUtils]: 36: Hoare triple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} assume true; {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} is VALID [2020-07-10 19:02:02,070 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1027#(or (= |g_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|)) (and (= (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)))))} {1008#(and (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|))} #88#return; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,071 INFO L280 TraceCheckUtils]: 38: Hoare triple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} #res := 1; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,071 INFO L280 TraceCheckUtils]: 39: Hoare triple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} assume true; {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} is VALID [2020-07-10 19:02:02,084 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1020#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|)) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|) (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (= |f_#in~p1.base| (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|)))} {980#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} #94#return; {1000#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,085 INFO L280 TraceCheckUtils]: 41: Hoare triple {1000#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {1000#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} is VALID [2020-07-10 19:02:02,086 INFO L280 TraceCheckUtils]: 42: Hoare triple {1000#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|) |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))} SUMMARY for call write~int(#t~ret5, ~#a~0.base, ~#a~0.offset, 4); srcloc: L32-3 {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,087 INFO L280 TraceCheckUtils]: 43: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} havoc #t~ret5; {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,087 INFO L280 TraceCheckUtils]: 44: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} havoc #t~mem4; {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,088 INFO L280 TraceCheckUtils]: 45: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} SUMMARY for call #t~mem6 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L34 {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,088 INFO L280 TraceCheckUtils]: 46: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} assume !(1 != #t~mem6); {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,089 INFO L280 TraceCheckUtils]: 47: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} havoc #t~mem6; {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} is VALID [2020-07-10 19:02:02,090 INFO L280 TraceCheckUtils]: 48: Hoare triple {1001#(= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)))} SUMMARY for call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~#p1~0.base, ~#p1~0.offset, 4); srcloc: L38 {1002#(= 0 (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|))} is VALID [2020-07-10 19:02:02,091 INFO L280 TraceCheckUtils]: 49: Hoare triple {1002#(= 0 (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|))} SUMMARY for call #t~mem8 := read~int(#t~mem7.base, #t~mem7.offset, 4); srcloc: L38-1 {1003#(= 0 |main_#t~mem8|)} is VALID [2020-07-10 19:02:02,091 INFO L280 TraceCheckUtils]: 50: Hoare triple {1003#(= 0 |main_#t~mem8|)} assume 0 != #t~mem8; {969#false} is VALID [2020-07-10 19:02:02,092 INFO L280 TraceCheckUtils]: 51: Hoare triple {969#false} havoc #t~mem7.base, #t~mem7.offset; {969#false} is VALID [2020-07-10 19:02:02,092 INFO L280 TraceCheckUtils]: 52: Hoare triple {969#false} havoc #t~mem8; {969#false} is VALID [2020-07-10 19:02:02,092 INFO L280 TraceCheckUtils]: 53: Hoare triple {969#false} assume !false; {969#false} is VALID [2020-07-10 19:02:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:02:02,105 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:02:02,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372180882] [2020-07-10 19:02:02,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:02:02,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-07-10 19:02:02,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316383358] [2020-07-10 19:02:02,107 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 54 [2020-07-10 19:02:02,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:02:02,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2020-07-10 19:02:02,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:02:02,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-10 19:02:02,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:02:02,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-10 19:02:02,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2020-07-10 19:02:02,200 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 25 states. [2020-07-10 19:02:04,321 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-07-10 19:02:04,707 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-07-10 19:02:05,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:05,920 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-07-10 19:02:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-10 19:02:05,921 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 54 [2020-07-10 19:02:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:02:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-10 19:02:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 54 transitions. [2020-07-10 19:02:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-10 19:02:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 54 transitions. [2020-07-10 19:02:05,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 54 transitions. [2020-07-10 19:02:06,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:02:06,036 INFO L225 Difference]: With dead ends: 55 [2020-07-10 19:02:06,037 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 19:02:06,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=246, Invalid=1824, Unknown=0, NotChecked=0, Total=2070 [2020-07-10 19:02:06,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 19:02:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 19:02:06,040 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:02:06,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 19:02:06,040 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:02:06,041 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:02:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:06,041 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:02:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:02:06,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:02:06,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:02:06,042 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:02:06,042 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:02:06,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:02:06,042 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:02:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:02:06,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:02:06,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:02:06,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:02:06,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:02:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 19:02:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 19:02:06,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-10 19:02:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:02:06,044 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 19:02:06,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-10 19:02:06,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 19:02:06,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:02:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:02:06,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:02:06,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 19:02:06,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 19:02:07,739 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,739 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,739 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,739 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-10 19:02:07,739 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,739 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (not (= 4 |f_#in~a|)) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,739 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point L12(lines 12 17) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (and (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= .cse1 .cse0))) (= |f_#in~p1.base| .cse1))) (= |f_#in~a| f_~a)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point L11(lines 11 18) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point L11-1(lines 11 18) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point fEXIT(lines 11 18) the Hoare annotation is: (let ((.cse0 (= |f_#in~a| f_~a))) (or (and (not (= 4 |f_#in~a|)) .cse0 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (let ((.cse2 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse1 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= 0 (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= .cse2 .cse1))) (= |f_#in~p1.base| .cse2))) .cse0 (<= 1 |f_#res|) (<= |f_#res| 1)))) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point fENTRY(lines 11 18) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,740 INFO L264 CegarLoopResult]: At program point fFINAL(lines 11 18) the Hoare annotation is: (let ((.cse0 (= |f_#in~a| f_~a))) (or (and (not (= 4 |f_#in~a|)) .cse0 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (let ((.cse2 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse1 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= 0 (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|))) (= .cse2 .cse1))) (= |f_#in~p1.base| .cse2))) .cse0 (<= 1 |f_#res|) (<= |f_#res| 1)))) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point gEXIT(lines 4 9) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse2 (= |g_#in~p1.base| .cse3)) (.cse0 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse1 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or (and (= g_~pq~0.base .cse0) (= .cse1 g_~pq~0.offset)) .cse2) (or .cse2 (and (= .cse3 .cse0) (= 0 (select (select |#memory_int| .cse0) .cse1))))))) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= g_~pq~0.base .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset))) (= |g_#in~p1.base| .cse0))) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (let ((.cse0 (= g_~pq~0.base g_~p1.base)) (.cse1 (= |g_#in~p2.base| g_~p2.base)) (.cse2 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset))) (and (or .cse0 (and .cse1 (= g_~pq~0.base .cse2) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (or (not .cse0) (and .cse1 (= .cse2 |g_#in~p1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point L7-1(line 7) the Hoare annotation is: (let ((.cse0 (= g_~pq~0.base g_~p1.base)) (.cse1 (= |g_#in~p2.base| g_~p2.base)) (.cse2 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset))) (and (or .cse0 (and .cse1 (= g_~pq~0.base .cse2) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) g_~pq~0.offset))) (or .cse0 (and (= g_~pq~0.offset |g_#t~mem1.offset|) (= |g_#t~mem1.base| (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (or (not .cse0) (and .cse1 (= .cse2 |g_#in~p1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (and (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,741 INFO L264 CegarLoopResult]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= g_~pq~0.base .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset))) (= |g_#in~p1.base| .cse0))) [2020-07-10 19:02:07,742 INFO L264 CegarLoopResult]: At program point gFINAL(lines 4 9) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse2 (= |g_#in~p1.base| .cse3)) (.cse0 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse1 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or (and (= g_~pq~0.base .cse0) (= .cse1 g_~pq~0.offset)) .cse2) (or .cse2 (and (= .cse3 .cse0) (= 0 (select (select |#memory_int| .cse0) .cse1))))))) [2020-07-10 19:02:07,742 INFO L264 CegarLoopResult]: At program point gENTRY(lines 4 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,742 INFO L264 CegarLoopResult]: At program point L4(lines 4 9) the Hoare annotation is: (and (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,742 INFO L264 CegarLoopResult]: At program point L5-1(line 5) the Hoare annotation is: (and (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,742 INFO L264 CegarLoopResult]: At program point L5-2(line 5) the Hoare annotation is: (let ((.cse3 (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset)) (.cse0 (= g_~pq~0.base g_~p1.base)) (.cse1 (= |g_#in~p2.base| g_~p2.base)) (.cse2 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset))) (and (or .cse0 (and .cse1 (= g_~pq~0.base .cse2) (= .cse3 g_~pq~0.offset))) (= .cse3 |g_#t~mem0.offset|) (= .cse2 |g_#t~mem0.base|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_int| |old(#memory_int)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base) (or (not .cse0) (and .cse1 (= .cse2 |g_#in~p1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-10 19:02:07,742 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,742 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,743 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,743 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:02:07,743 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,743 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 20 46) the Hoare annotation is: true [2020-07-10 19:02:07,743 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:02:07,743 INFO L264 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 4 |main_#t~mem4|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:02:07,743 INFO L264 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 1 |main_#t~ret5|))) [2020-07-10 19:02:07,744 INFO L264 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 1 |main_#t~ret5|))) [2020-07-10 19:02:07,744 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,744 INFO L264 CegarLoopResult]: At program point L32-4(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 1 |main_#t~ret5|))) [2020-07-10 19:02:07,745 INFO L264 CegarLoopResult]: At program point L32-5(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2020-07-10 19:02:07,745 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,745 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-10 19:02:07,745 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,745 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,746 INFO L264 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,746 INFO L271 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: true [2020-07-10 19:02:07,746 INFO L271 CegarLoopResult]: At program point L21-3(line 21) the Hoare annotation is: true [2020-07-10 19:02:07,746 INFO L271 CegarLoopResult]: At program point L21-4(line 21) the Hoare annotation is: true [2020-07-10 19:02:07,746 INFO L271 CegarLoopResult]: At program point L21-5(line 21) the Hoare annotation is: true [2020-07-10 19:02:07,746 INFO L264 CegarLoopResult]: At program point L21-6(line 21) the Hoare annotation is: false [2020-07-10 19:02:07,746 INFO L264 CegarLoopResult]: At program point L21-7(line 21) the Hoare annotation is: false [2020-07-10 19:02:07,747 INFO L264 CegarLoopResult]: At program point L21-8(line 21) the Hoare annotation is: false [2020-07-10 19:02:07,747 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 20 46) the Hoare annotation is: true [2020-07-10 19:02:07,747 INFO L264 CegarLoopResult]: At program point L21-9(line 21) the Hoare annotation is: false [2020-07-10 19:02:07,747 INFO L271 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: true [2020-07-10 19:02:07,747 INFO L264 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2020-07-10 19:02:07,748 INFO L264 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 0 (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|)))) [2020-07-10 19:02:07,748 INFO L264 CegarLoopResult]: At program point L38-2(lines 38 40) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_#t~mem8|) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 0 (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|)))) [2020-07-10 19:02:07,748 INFO L264 CegarLoopResult]: At program point L38-3(line 38) the Hoare annotation is: false [2020-07-10 19:02:07,748 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2020-07-10 19:02:07,748 INFO L264 CegarLoopResult]: At program point L38-4(line 38) the Hoare annotation is: false [2020-07-10 19:02:07,749 INFO L264 CegarLoopResult]: At program point L34-1(lines 34 36) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 |main_#t~mem6|) (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2020-07-10 19:02:07,749 INFO L271 CegarLoopResult]: At program point L38-5(line 38) the Hoare annotation is: true [2020-07-10 19:02:07,749 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: false [2020-07-10 19:02:07,749 INFO L271 CegarLoopResult]: At program point L38-6(line 38) the Hoare annotation is: true [2020-07-10 19:02:07,749 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) the Hoare annotation is: false [2020-07-10 19:02:07,750 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (and (= 1 |main_#t~mem6|) (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|))) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2020-07-10 19:02:07,750 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= 5 |main_#t~mem2|) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,750 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,750 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (and (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= 5 |main_#t~mem2|) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 5 |main_#t~post3|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|))) [2020-07-10 19:02:07,751 INFO L264 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= 5 |main_#t~mem2|) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 5 |main_#t~post3|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:02:07,751 INFO L264 CegarLoopResult]: At program point L30-3(line 30) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= 5 |main_#t~post3|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:02:07,751 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,751 INFO L264 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|)) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-10 19:02:07,751 INFO L271 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: true [2020-07-10 19:02:07,752 INFO L271 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: true [2020-07-10 19:02:07,752 INFO L271 CegarLoopResult]: At program point L22-4(line 22) the Hoare annotation is: true [2020-07-10 19:02:07,752 INFO L271 CegarLoopResult]: At program point L22-5(line 22) the Hoare annotation is: true [2020-07-10 19:02:07,752 INFO L264 CegarLoopResult]: At program point L22-6(line 22) the Hoare annotation is: false [2020-07-10 19:02:07,752 INFO L264 CegarLoopResult]: At program point L22-7(line 22) the Hoare annotation is: false [2020-07-10 19:02:07,752 INFO L264 CegarLoopResult]: At program point L22-8(line 22) the Hoare annotation is: false [2020-07-10 19:02:07,752 INFO L264 CegarLoopResult]: At program point L22-9(line 22) the Hoare annotation is: false [2020-07-10 19:02:07,753 INFO L264 CegarLoopResult]: At program point L39(lines 20 46) the Hoare annotation is: false [2020-07-10 19:02:07,811 INFO L163 areAnnotationChecker]: CFG has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 19:02:07,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:02:07 BoogieIcfgContainer [2020-07-10 19:02:07,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 19:02:07,844 INFO L168 Benchmark]: Toolchain (without parser) took 12972.27 ms. Allocated memory was 141.0 MB in the beginning and 330.8 MB in the end (delta: 189.8 MB). Free memory was 105.7 MB in the beginning and 180.0 MB in the end (delta: -74.3 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,845 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.28 ms. Allocated memory is still 141.0 MB. Free memory was 105.5 MB in the beginning and 94.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,846 INFO L168 Benchmark]: Boogie Preprocessor took 163.15 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 94.9 MB in the beginning and 180.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,847 INFO L168 Benchmark]: RCFGBuilder took 698.02 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 144.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,848 INFO L168 Benchmark]: TraceAbstraction took 11794.63 ms. Allocated memory was 202.9 MB in the beginning and 330.8 MB in the end (delta: 127.9 MB). Free memory was 144.9 MB in the beginning and 180.0 MB in the end (delta: -35.1 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:07,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.28 ms. Allocated memory is still 141.0 MB. Free memory was 105.5 MB in the beginning and 94.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.15 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 94.9 MB in the beginning and 180.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.02 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 144.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11794.63 ms. Allocated memory was 202.9 MB in the beginning and 330.8 MB in the end (delta: 127.9 MB). Free memory was 144.9 MB in the beginning and 180.0 MB in the end (delta: -35.1 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 11]: Procedure Contract for f [2020-07-10 19:02:07,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure f: ((((!(4 == \old(a)) && \old(a) == a) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((((0 == unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] && \old(#memory_$Pointer$)[p2][p2] == #memory_$Pointer$[p1][p1]) || p1 == \old(#memory_$Pointer$)[p2][p2]) && \old(a) == a) && 1 <= \result) && \result <= 1) - ProcedureContractResult [Line: 4]: Procedure Contract for g [2020-07-10 19:02:07,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-10 19:02:07,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-10 19:02:07,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:02:07,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-10 19:02:07,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure g: ((pq == #memory_$Pointer$[p1][p1] && #memory_$Pointer$[p1][p1] == pq) || p1 == \old(#memory_$Pointer$)[p2][p2]) && (p1 == \old(#memory_$Pointer$)[p2][p2] || (\old(#memory_$Pointer$)[p2][p2] == #memory_$Pointer$[p1][p1] && 0 == unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]])) - ProcedureContractResult [Line: 20]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 207 SDslu, 507 SDs, 0 SdLazy, 1031 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 81 LocationsWithAnnotation, 81 PreInvPairs, 108 NumberOfFragments, 1996 HoareAnnotationTreeSize, 81 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 81 FomulaSimplificationsInter, 266 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...