/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:56:59,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:56:59,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:56:59,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:57:00,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:57:00,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:57:00,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:57:00,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:57:00,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:57:00,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:57:00,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:57:00,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:57:00,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:57:00,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:57:00,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:57:00,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:57:00,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:57:00,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:57:00,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:57:00,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:57:00,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:57:00,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:57:00,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:57:00,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:57:00,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:57:00,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:57:00,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:57:00,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:57:00,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:57:00,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:57:00,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:57:00,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:57:00,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:57:00,065 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:57:00,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:57:00,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:57:00,068 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:57:00,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:57:00,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:57:00,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:57:00,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:57:00,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:57:00,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:57:00,070 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:57:00,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:57:00,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:57:00,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:57:00,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:57:00,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:57:00,524 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:57:00,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2021-02-22 01:57:00,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebe1e7fe/0612302436254f4e94741c9666a1628f/FLAG5ad59866a [2021-02-22 01:57:01,197 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:57:01,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2021-02-22 01:57:01,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebe1e7fe/0612302436254f4e94741c9666a1628f/FLAG5ad59866a [2021-02-22 01:57:01,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebe1e7fe/0612302436254f4e94741c9666a1628f [2021-02-22 01:57:01,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:57:01,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:57:01,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:57:01,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:57:01,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:57:01,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b66717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01, skipping insertion in model container [2021-02-22 01:57:01,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:57:01,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:57:01,753 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c[710,723] [2021-02-22 01:57:01,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:57:01,773 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:57:01,793 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c[710,723] [2021-02-22 01:57:01,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:57:01,811 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:57:01,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01 WrapperNode [2021-02-22 01:57:01,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:57:01,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:57:01,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:57:01,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:57:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (1/1) ... [2021-02-22 01:57:01,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:57:01,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:57:01,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:57:01,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:57:01,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (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 [2021-02-22 01:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-02-22 01:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-22 01:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:57:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:57:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:57:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-02-22 01:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:57:02,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:57:02,568 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:57:02,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:57:02 BoogieIcfgContainer [2021-02-22 01:57:02,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:57:02,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:57:02,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:57:02,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:57:02,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:57:01" (1/3) ... [2021-02-22 01:57:02,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cfa7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:57:02, skipping insertion in model container [2021-02-22 01:57:02,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:01" (2/3) ... [2021-02-22 01:57:02,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cfa7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:57:02, skipping insertion in model container [2021-02-22 01:57:02,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:57:02" (3/3) ... [2021-02-22 01:57:02,580 INFO L111 eAbstractionObserver]: Analyzing ICFG test05.c [2021-02-22 01:57:02,587 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:57:02,594 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:57:02,615 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:57:02,642 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:57:02,643 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:57:02,643 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:57:02,643 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:57:02,643 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:57:02,643 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:57:02,644 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:57:02,644 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:57:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-02-22 01:57:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-22 01:57:02,675 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:02,676 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] [2021-02-22 01:57:02,677 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:02,684 INFO L82 PathProgramCache]: Analyzing trace with hash 276648851, now seen corresponding path program 1 times [2021-02-22 01:57:02,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:02,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643110868] [2021-02-22 01:57:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:02,784 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:57:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:03,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:03,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:57:03,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:03,056 WARN L141 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size [2021-02-22 01:57:03,057 WARN L147 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size 3 [2021-02-22 01:57:03,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:57:03,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:03,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:57:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:03,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:57:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:03,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:03,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:03,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:57:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:57:03,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643110868] [2021-02-22 01:57:03,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:57:03,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:57:03,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789930724] [2021-02-22 01:57:03,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:57:03,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:57:03,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:57:03,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:57:03,325 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 11 states. [2021-02-22 01:57:03,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:57:03,959 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2021-02-22 01:57:03,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:57:03,961 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2021-02-22 01:57:03,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:57:03,972 INFO L225 Difference]: With dead ends: 119 [2021-02-22 01:57:03,972 INFO L226 Difference]: Without dead ends: 61 [2021-02-22 01:57:03,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-02-22 01:57:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-02-22 01:57:04,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-02-22 01:57:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-02-22 01:57:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-02-22 01:57:04,032 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 42 [2021-02-22 01:57:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:57:04,033 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-02-22 01:57:04,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:57:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-02-22 01:57:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-22 01:57:04,035 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:04,036 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] [2021-02-22 01:57:04,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:57:04,037 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:04,040 INFO L82 PathProgramCache]: Analyzing trace with hash -2024407720, now seen corresponding path program 1 times [2021-02-22 01:57:04,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:04,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377396801] [2021-02-22 01:57:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:04,049 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:57:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:04,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:04,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:57:04,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:04,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:57:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:04,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:57:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:04,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:57:04,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:57:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:04,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:57:04,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377396801] [2021-02-22 01:57:04,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:57:04,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:57:04,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302548111] [2021-02-22 01:57:04,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:57:04,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:57:04,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:57:04,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:57:04,284 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 8 states. [2021-02-22 01:57:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:57:04,604 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2021-02-22 01:57:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 01:57:04,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-02-22 01:57:04,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:57:04,607 INFO L225 Difference]: With dead ends: 63 [2021-02-22 01:57:04,607 INFO L226 Difference]: Without dead ends: 60 [2021-02-22 01:57:04,609 INFO L677 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 [2021-02-22 01:57:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-22 01:57:04,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-02-22 01:57:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-22 01:57:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 59 transitions. [2021-02-22 01:57:04,625 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 59 transitions. Word has length 54 [2021-02-22 01:57:04,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:57:04,626 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 59 transitions. [2021-02-22 01:57:04,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:57:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 59 transitions. [2021-02-22 01:57:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-22 01:57:04,628 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:04,628 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, 1, 1, 1, 1, 1] [2021-02-22 01:57:04,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:57:04,629 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:04,629 INFO L82 PathProgramCache]: Analyzing trace with hash -853019170, now seen corresponding path program 1 times [2021-02-22 01:57:04,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:04,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225824389] [2021-02-22 01:57:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:04,633 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:57:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:04,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:04,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:57:04,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:57:04,894 WARN L141 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-02-22 01:57:04,895 WARN L147 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size 25 [2021-02-22 01:57:04,911 WARN L141 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-02-22 01:57:04,912 WARN L147 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size 21 [2021-02-22 01:57:04,932 WARN L141 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-02-22 01:57:04,935 WARN L147 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size 28 [2021-02-22 01:57:04,960 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-22 01:57:04,961 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-22 01:57:04,978 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-22 01:57:04,980 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-22 01:57:04,982 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-22 01:57:04,983 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-22 01:57:04,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:04,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:57:05,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:57:05,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:57:05,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:05,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:57:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:05,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:57:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:05,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:05,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:57:05,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:57:05,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 01:57:05,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:57:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:05,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:57:05,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:57:05,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:57:05,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 01:57:05,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:57:05,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 01:57:05,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:05,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 01:57:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:57:05,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225824389] [2021-02-22 01:57:05,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:57:05,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-22 01:57:05,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670683698] [2021-02-22 01:57:05,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-22 01:57:05,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:57:05,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-22 01:57:05,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-02-22 01:57:05,630 INFO L87 Difference]: Start difference. First operand 60 states and 59 transitions. Second operand 25 states. [2021-02-22 01:57:06,743 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-02-22 01:57:06,890 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-02-22 01:57:07,070 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-02-22 01:57:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:57:07,685 INFO L93 Difference]: Finished difference Result 60 states and 59 transitions. [2021-02-22 01:57:07,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 01:57:07,685 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 59 [2021-02-22 01:57:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:57:07,687 INFO L225 Difference]: With dead ends: 60 [2021-02-22 01:57:07,687 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 01:57:07,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=250, Invalid=1912, Unknown=0, NotChecked=0, Total=2162 [2021-02-22 01:57:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 01:57:07,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 01:57:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 01:57:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 01:57:07,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-22 01:57:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:57:07,690 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 01:57:07,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-22 01:57:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 01:57:07,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 01:57:07,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:57:07,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 01:57:09,306 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-22 01:57:09,306 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-22 01:57:09,306 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,307 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-22 01:57:09,308 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,308 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-22 01:57:09,308 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,308 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base) (= f_~p2.offset |f_#in~p2.offset|)) [2021-02-22 01:57:09,309 INFO L185 CegarLoopUtils]: At program point L14(lines 14 19) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base) (= f_~p2.offset |f_#in~p2.offset|)) [2021-02-22 01:57:09,309 INFO L185 CegarLoopUtils]: At program point L15-1(line 15) 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 (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) (= |f_#in~a| f_~a)) [2021-02-22 01:57:09,309 INFO L185 CegarLoopUtils]: At program point L13(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-22 01:57:09,309 INFO L185 CegarLoopUtils]: At program point L13-1(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-22 01:57:09,310 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 13 20) the Hoare annotation is: (let ((.cse2 (= |f_#in~a| f_~a))) (or (and (<= 1 |f_#res|) (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 (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) .cse2 (<= |f_#res| 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))))) [2021-02-22 01:57:09,310 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-22 01:57:09,310 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 13 20) the Hoare annotation is: (let ((.cse2 (= |f_#in~a| f_~a))) (or (and (<= 1 |f_#res|) (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 (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) .cse2 (<= |f_#res| 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))))) [2021-02-22 01:57:09,310 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))) [2021-02-22 01:57:09,311 INFO L185 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (= |g_#in~p1.base| .cse0) (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset) (= g_~pq~0.base .cse1))))) [2021-02-22 01:57:09,311 INFO L185 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: (let ((.cse2 (= g_~pq~0.base g_~p1.base)) (.cse1 (= g_~p2.offset |g_#in~p2.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (or (and (= |g_#in~p1.base| .cse0) .cse1) (not .cse2)) (or .cse2 (and .cse1 (= g_~pq~0.base .cse0) (= g_~pq~0.offset (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset)))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) [2021-02-22 01:57:09,311 INFO L185 CegarLoopUtils]: At program point gEXIT(lines 6 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse0 (= |g_#in~p1.base| .cse1)) (.cse3 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or .cse0 (and (= .cse1 .cse2) (= (select (select |#memory_int| .cse2) .cse3) 0))) (or .cse0 (and (= .cse3 g_~pq~0.offset) (= g_~pq~0.base .cse2)))))) [2021-02-22 01:57:09,311 INFO L185 CegarLoopUtils]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (.cse0 (= g_~pq~0.base g_~p1.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (or .cse0 (= g_~pq~0.offset (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset))) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or .cse0 (and (= .cse1 |g_#t~mem8.base|) (= g_~pq~0.base |g_#t~mem8.base|) (= |g_#t~mem8.offset| g_~pq~0.offset))) (or (= |g_#in~p1.base| .cse1) (not .cse0)) (= |g_#in~p1.base| g_~p1.base))) [2021-02-22 01:57:09,312 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-22 01:57:09,312 INFO L185 CegarLoopUtils]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (= |g_#in~p1.base| .cse0) (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset) (= g_~pq~0.base .cse1))))) [2021-02-22 01:57:09,312 INFO L185 CegarLoopUtils]: At program point L6(lines 6 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-22 01:57:09,312 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem7.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem7.base|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-22 01:57:09,312 INFO L185 CegarLoopUtils]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse3 (= g_~pq~0.base g_~p1.base)) (.cse2 (= g_~p2.offset |g_#in~p2.offset|)) (.cse1 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (.cse0 (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= .cse0 |g_#t~mem7.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (or (and (= |g_#in~p1.base| .cse1) .cse2) (not .cse3)) (= .cse1 |g_#t~mem7.base|) (or .cse3 (and .cse2 (= g_~pq~0.base .cse1) (= g_~pq~0.offset .cse0))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) [2021-02-22 01:57:09,313 INFO L185 CegarLoopUtils]: At program point gFINAL(lines 6 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse0 (= |g_#in~p1.base| .cse1)) (.cse3 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or .cse0 (and (= .cse1 .cse2) (= (select (select |#memory_int| .cse2) .cse3) 0))) (or .cse0 (and (= .cse3 g_~pq~0.offset) (= g_~pq~0.base .cse2)))))) [2021-02-22 01:57:09,313 INFO L185 CegarLoopUtils]: At program point gENTRY(lines 6 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-22 01:57:09,313 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,313 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,313 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 22 48) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-22 01:57:09,314 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: true [2021-02-22 01:57:09,314 INFO L192 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: true [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: false [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L23-7(line 23) the Hoare annotation is: false [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L23-8(line 23) the Hoare annotation is: false [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L23-9(line 23) the Hoare annotation is: false [2021-02-22 01:57:09,315 INFO L192 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: true [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,315 INFO L185 CegarLoopUtils]: At program point L40-1(line 40) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_#t~mem14.base|) |main_#t~mem14.offset|) 0) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,316 INFO L185 CegarLoopUtils]: At program point L40-2(lines 40 42) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |main_#t~mem15| 0) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_#t~mem14.base|) |main_#t~mem14.offset|) 0) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,316 INFO L185 CegarLoopUtils]: At program point L40-3(line 40) the Hoare annotation is: false [2021-02-22 01:57:09,316 INFO L185 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,316 INFO L185 CegarLoopUtils]: At program point L40-4(line 40) the Hoare annotation is: false [2021-02-22 01:57:09,316 INFO L185 CegarLoopUtils]: At program point L36-1(lines 36 38) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |main_#t~mem13| 1) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,317 INFO L192 CegarLoopUtils]: At program point L40-5(line 40) the Hoare annotation is: true [2021-02-22 01:57:09,317 INFO L185 CegarLoopUtils]: At program point L36-2(line 36) the Hoare annotation is: false [2021-02-22 01:57:09,317 INFO L192 CegarLoopUtils]: At program point L40-6(line 40) the Hoare annotation is: true [2021-02-22 01:57:09,317 INFO L185 CegarLoopUtils]: At program point L36-3(line 36) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |main_#t~mem13| 1) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,317 INFO L185 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,318 INFO L185 CegarLoopUtils]: At program point L32-1(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,318 INFO L185 CegarLoopUtils]: At program point L32-2(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,318 INFO L185 CegarLoopUtils]: At program point L32-3(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,318 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,318 INFO L185 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,319 INFO L192 CegarLoopUtils]: At program point L24-2(line 24) the Hoare annotation is: true [2021-02-22 01:57:09,319 INFO L192 CegarLoopUtils]: At program point L24-3(line 24) the Hoare annotation is: true [2021-02-22 01:57:09,319 INFO L192 CegarLoopUtils]: At program point L24-4(line 24) the Hoare annotation is: true [2021-02-22 01:57:09,319 INFO L192 CegarLoopUtils]: At program point L24-5(line 24) the Hoare annotation is: true [2021-02-22 01:57:09,319 INFO L185 CegarLoopUtils]: At program point L24-6(line 24) the Hoare annotation is: false [2021-02-22 01:57:09,319 INFO L185 CegarLoopUtils]: At program point L24-7(line 24) the Hoare annotation is: false [2021-02-22 01:57:09,319 INFO L185 CegarLoopUtils]: At program point L24-8(line 24) the Hoare annotation is: false [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L24-9(line 24) the Hoare annotation is: false [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L41(lines 22 48) the Hoare annotation is: false [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L46(line 46) the Hoare annotation is: false [2021-02-22 01:57:09,320 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 22 48) the Hoare annotation is: true [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,320 INFO L185 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,321 INFO L185 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset| |main_#t~ret12|)) (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|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,321 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) the Hoare annotation is: false [2021-02-22 01:57:09,321 INFO L185 CegarLoopUtils]: At program point L34-3(line 34) the Hoare annotation is: (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset| |main_#t~ret12|)) (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|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,321 INFO L185 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~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_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,322 INFO L185 CegarLoopUtils]: At program point L34-4(line 34) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |main_~#a~0.base|))) (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select .cse0 |main_~#a~0.offset|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store .cse0 |main_~#a~0.offset| |main_#t~ret12|)) (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|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|)))) [2021-02-22 01:57:09,322 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 22 48) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-22 01:57:09,322 INFO L185 CegarLoopUtils]: At program point L34-5(line 34) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (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|)) 0) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,322 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-22 01:57:09,322 INFO L185 CegarLoopUtils]: At program point L47(line 47) the Hoare annotation is: false [2021-02-22 01:57:09,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:57:09 BoogieIcfgContainer [2021-02-22 01:57:09,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:57:09,351 INFO L168 Benchmark]: Toolchain (without parser) took 7806.42 ms. Allocated memory was 153.1 MB in the beginning and 224.4 MB in the end (delta: 71.3 MB). Free memory was 129.9 MB in the beginning and 181.7 MB in the end (delta: -51.8 MB). Peak memory consumption was 124.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:09,351 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:57:09,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.92 ms. Allocated memory is still 153.1 MB. Free memory was 128.9 MB in the beginning and 119.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:09,352 INFO L168 Benchmark]: Boogie Preprocessor took 37.30 ms. Allocated memory is still 153.1 MB. Free memory was 119.2 MB in the beginning and 117.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:09,353 INFO L168 Benchmark]: RCFGBuilder took 719.17 ms. Allocated memory is still 153.1 MB. Free memory was 117.7 MB in the beginning and 129.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:09,354 INFO L168 Benchmark]: TraceAbstraction took 6777.17 ms. Allocated memory was 153.1 MB in the beginning and 224.4 MB in the end (delta: 71.3 MB). Free memory was 129.1 MB in the beginning and 181.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:09,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 253.92 ms. Allocated memory is still 153.1 MB. Free memory was 128.9 MB in the beginning and 119.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.30 ms. Allocated memory is still 153.1 MB. Free memory was 119.2 MB in the beginning and 117.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 719.17 ms. Allocated memory is still 153.1 MB. Free memory was 117.7 MB in the beginning and 129.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6777.17 ms. Allocated memory was 153.1 MB in the beginning and 224.4 MB in the end (delta: 71.3 MB). Free memory was 129.1 MB in the beginning and 181.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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 - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 13]: Procedure Contract for f [2021-02-22 01:57:09,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure f: (((1 <= \result && ((#memory_$Pointer$[p1][p1] == \old(#memory_$Pointer$)[p2][p2] && unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0) || p1 == \old(#memory_$Pointer$)[p2][p2])) && \old(a) == a) && \result <= 1) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(a) == a) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && !(\old(a) == 4)) - ProcedureContractResult [Line: 6]: Procedure Contract for g [2021-02-22 01:57:09,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-22 01:57:09,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-22 01:57:09,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure g: (p1 == \old(#memory_$Pointer$)[p2][p2] || (\old(#memory_$Pointer$)[p2][p2] == #memory_$Pointer$[p1][p1] && unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0)) && (p1 == \old(#memory_$Pointer$)[p2][p2] || (#memory_$Pointer$[p1][p1] == pq && pq == #memory_$Pointer$[p1][p1])) - ProcedureContractResult [Line: 22]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 SDtfs, 217 SDslu, 488 SDs, 0 SdLazy, 1180 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 87 LocationsWithAnnotation, 87 PreInvPairs, 114 NumberOfFragments, 1961 HoareAnnotationTreeSize, 87 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 87 FomulaSimplificationsInter, 866 FormulaSimplificationTreeSizeReductionInter, 1.4s 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...