./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:37:57,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:37:57,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:37:57,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:37:57,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:37:57,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:37:57,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:37:57,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:37:57,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:37:57,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:37:57,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:37:57,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:37:57,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:37:57,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:37:57,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:37:57,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:37:57,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:37:57,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:37:57,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:37:57,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:37:57,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:37:57,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:37:57,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:37:57,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:37:57,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:37:57,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:37:57,139 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:37:57,140 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:37:57,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:37:57,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:37:57,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:37:57,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:37:57,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:37:57,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:37:57,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:37:57,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:37:57,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 07:37:57,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:37:57,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:37:57,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:37:57,154 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:37:57,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:37:57,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:37:57,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:37:57,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:37:57,156 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:37:57,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:37:57,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:37:57,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:37:57,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:37:57,157 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:37:57,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:37:57,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:37:57,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2018-11-23 07:37:57,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:37:57,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:37:57,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:37:57,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:37:57,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:37:57,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-23 07:37:57,236 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/data/9efd37e7b/d7d7149c1ba142aea5e7772950a40a4b/FLAG2232b1a91 [2018-11-23 07:37:57,681 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:37:57,682 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-23 07:37:57,690 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/data/9efd37e7b/d7d7149c1ba142aea5e7772950a40a4b/FLAG2232b1a91 [2018-11-23 07:37:57,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/data/9efd37e7b/d7d7149c1ba142aea5e7772950a40a4b [2018-11-23 07:37:57,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:37:57,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:37:57,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:37:57,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:37:57,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:37:57,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:57" (1/1) ... [2018-11-23 07:37:57,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e1a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:57, skipping insertion in model container [2018-11-23 07:37:57,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:57" (1/1) ... [2018-11-23 07:37:57,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:37:57,742 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:37:57,933 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:37:57,939 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:37:58,007 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:37:58,038 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:37:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58 WrapperNode [2018-11-23 07:37:58,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:37:58,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:37:58,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:37:58,039 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:37:58,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:37:58,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:37:58,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:37:58,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:37:58,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:37:58,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:37:58,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:37:58,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:37:58,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:37:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:37:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:37:58,534 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:37:58,534 INFO L280 CfgBuilder]: Removed 35 assue(true) statements. [2018-11-23 07:37:58,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:58 BoogieIcfgContainer [2018-11-23 07:37:58,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:37:58,535 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:37:58,535 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:37:58,542 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:37:58,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:58" (1/1) ... [2018-11-23 07:37:58,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:37:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2018-11-23 07:37:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2018-11-23 07:37:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 07:37:58,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:58,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:58,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-11-23 07:37:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-11-23 07:37:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 07:37:58,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2018-11-23 07:37:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2018-11-23 07:37:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 07:37:58,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2018-11-23 07:37:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2018-11-23 07:37:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 07:37:58,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2018-11-23 07:37:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2018-11-23 07:37:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 07:37:58,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2018-11-23 07:37:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2018-11-23 07:37:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:37:59,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-11-23 07:37:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-11-23 07:37:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 07:37:59,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2018-11-23 07:37:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2018-11-23 07:37:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 07:37:59,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2018-11-23 07:37:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2018-11-23 07:37:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 07:37:59,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-11-23 07:37:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-11-23 07:37:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 07:37:59,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:37:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 85 states and 122 transitions. [2018-11-23 07:37:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2018-11-23 07:37:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:37:59,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:37:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 94 states and 136 transitions. [2018-11-23 07:38:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2018-11-23 07:38:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:38:00,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 96 states and 139 transitions. [2018-11-23 07:38:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2018-11-23 07:38:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:38:00,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2018-11-23 07:38:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2018-11-23 07:38:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:38:01,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 113 states and 162 transitions. [2018-11-23 07:38:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2018-11-23 07:38:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:38:01,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 169 transitions. [2018-11-23 07:38:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2018-11-23 07:38:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:38:01,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:38:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 128 states and 188 transitions. [2018-11-23 07:38:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2018-11-23 07:38:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:38:02,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:38:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2018-11-23 07:38:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2018-11-23 07:38:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:38:02,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 136 states and 200 transitions. [2018-11-23 07:38:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 200 transitions. [2018-11-23 07:38:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:38:03,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:38:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 139 states and 205 transitions. [2018-11-23 07:38:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2018-11-23 07:38:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:38:03,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 157 states and 239 transitions. [2018-11-23 07:38:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 239 transitions. [2018-11-23 07:38:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:38:05,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 161 states and 248 transitions. [2018-11-23 07:38:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions. [2018-11-23 07:38:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:38:05,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 170 states and 257 transitions. [2018-11-23 07:38:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2018-11-23 07:38:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:38:06,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2018-11-23 07:38:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2018-11-23 07:38:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:38:06,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 192 states and 292 transitions. [2018-11-23 07:38:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 292 transitions. [2018-11-23 07:38:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:38:09,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 212 states and 323 transitions. [2018-11-23 07:38:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 323 transitions. [2018-11-23 07:38:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:38:12,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 214 states and 326 transitions. [2018-11-23 07:38:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 326 transitions. [2018-11-23 07:38:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:38:12,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 223 states and 340 transitions. [2018-11-23 07:38:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 340 transitions. [2018-11-23 07:38:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:38:13,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 225 states and 344 transitions. [2018-11-23 07:38:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 344 transitions. [2018-11-23 07:38:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:38:14,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:38:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 232 states and 354 transitions. [2018-11-23 07:38:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 354 transitions. [2018-11-23 07:38:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:38:15,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 244 states and 374 transitions. [2018-11-23 07:38:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 374 transitions. [2018-11-23 07:38:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:38:17,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 246 states and 377 transitions. [2018-11-23 07:38:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2018-11-23 07:38:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:38:17,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 265 states and 409 transitions. [2018-11-23 07:38:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 409 transitions. [2018-11-23 07:38:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:38:21,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 274 states and 425 transitions. [2018-11-23 07:38:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 425 transitions. [2018-11-23 07:38:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:38:23,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 276 states and 428 transitions. [2018-11-23 07:38:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 428 transitions. [2018-11-23 07:38:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:38:23,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 300 states and 475 transitions. [2018-11-23 07:38:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 475 transitions. [2018-11-23 07:38:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:38:27,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 304 states and 482 transitions. [2018-11-23 07:38:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 482 transitions. [2018-11-23 07:38:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:38:28,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 327 states and 529 transitions. [2018-11-23 07:38:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 529 transitions. [2018-11-23 07:38:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:38:37,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 329 states and 531 transitions. [2018-11-23 07:38:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 531 transitions. [2018-11-23 07:38:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:38:38,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 335 states and 550 transitions. [2018-11-23 07:38:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 550 transitions. [2018-11-23 07:38:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:38:40,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 337 states and 554 transitions. [2018-11-23 07:38:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 554 transitions. [2018-11-23 07:38:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:38:41,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 364 states and 615 transitions. [2018-11-23 07:38:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 615 transitions. [2018-11-23 07:38:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:38:49,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 368 states and 622 transitions. [2018-11-23 07:38:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 622 transitions. [2018-11-23 07:38:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:38:50,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:38:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 373 states and 627 transitions. [2018-11-23 07:38:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 627 transitions. [2018-11-23 07:38:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:38:55,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 379 states and 648 transitions. [2018-11-23 07:38:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 648 transitions. [2018-11-23 07:38:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:38:58,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:38:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 381 states and 652 transitions. [2018-11-23 07:38:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 652 transitions. [2018-11-23 07:38:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:38:59,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:38:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:38:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:39:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:39:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:39:00,730 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset;main_~status~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=5, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=5, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(1 == main_~status~0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(2 == main_~status~0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume 3 == main_~status~0; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem9.base|=24, |ULTIMATE.start_main_#t~mem9.offset|=0] [?] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0);havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem10.base|=24, |ULTIMATE.start_main_#t~mem10.offset|=0, |ULTIMATE.start_main_#t~mem11.base|=45, |ULTIMATE.start_main_#t~mem11.offset|=0] [?] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0);havoc main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4);call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem12.base|=24, |ULTIMATE.start_main_#t~mem12.offset|=0, |ULTIMATE.start_main_#t~mem13.base|=45, |ULTIMATE.start_main_#t~mem13.offset|=0, |ULTIMATE.start_main_#t~mem14.base|=27, |ULTIMATE.start_main_#t~mem14.offset|=0] [?] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0);havoc main_#t~mem14.base, main_#t~mem14.offset;havoc main_#t~mem12.base, main_#t~mem12.offset;havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4);call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4);call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem15.base|=24, |ULTIMATE.start_main_#t~mem15.offset|=0, |ULTIMATE.start_main_#t~mem16.base|=45, |ULTIMATE.start_main_#t~mem16.offset|=0, |ULTIMATE.start_main_#t~mem17.base|=27, |ULTIMATE.start_main_#t~mem17.offset|=0, |ULTIMATE.start_main_#t~mem18|=3] [?] assume !(3 != main_#t~mem18);havoc main_#t~mem15.base, main_#t~mem15.offset;havoc main_#t~mem18;havoc main_#t~mem16.base, main_#t~mem16.offset;havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~status~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume 0 == main_~status~0; [L1002] call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1003] main_~status~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume 1 == main_~status~0; [L1007] call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1008] main_~status~0 := 2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume !(1 == main_~status~0); [L1010-L1014] assume main_~status~0 >= 2; [L1012] call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1013] main_~status~0 := 3; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993-L1018] assume !(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1020] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1021-L1025] assume !(1 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1026-L1031] assume !(2 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1032-L1039] assume 3 == main_~status~0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1034] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem9.base=24, main_#t~mem9.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0); [L1035] havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1036] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem10.base=24, main_#t~mem10.offset=0, main_#t~mem11.base=45, main_#t~mem11.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0); [L1036] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1036] havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1037] call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4); [L1037] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem12.base=24, main_#t~mem12.offset=0, main_#t~mem13.base=45, main_#t~mem13.offset=0, main_#t~mem14.base=27, main_#t~mem14.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0); [L1037] havoc main_#t~mem14.base, main_#t~mem14.offset; [L1037] havoc main_#t~mem12.base, main_#t~mem12.offset; [L1037] havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1038] call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4); [L1038] call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4); [L1038] call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem15.base=24, main_#t~mem15.offset=0, main_#t~mem16.base=45, main_#t~mem16.offset=0, main_#t~mem17.base=27, main_#t~mem17.offset=0, main_#t~mem18=3, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assume !(3 != main_#t~mem18); [L1038] havoc main_#t~mem15.base, main_#t~mem15.offset; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16.base, main_#t~mem16.offset; [L1038] havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~status~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume 0 == main_~status~0; [L1002] call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1003] main_~status~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume 1 == main_~status~0; [L1007] call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1008] main_~status~0 := 2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume !(1 == main_~status~0); [L1010-L1014] assume main_~status~0 >= 2; [L1012] call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1013] main_~status~0 := 3; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993-L1018] assume !(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1020] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1021-L1025] assume !(1 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1026-L1031] assume !(2 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1032-L1039] assume 3 == main_~status~0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1034] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem9.base=24, main_#t~mem9.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0); [L1035] havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1036] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem10.base=24, main_#t~mem10.offset=0, main_#t~mem11.base=45, main_#t~mem11.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0); [L1036] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1036] havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1037] call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4); [L1037] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem12.base=24, main_#t~mem12.offset=0, main_#t~mem13.base=45, main_#t~mem13.offset=0, main_#t~mem14.base=27, main_#t~mem14.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0); [L1037] havoc main_#t~mem14.base, main_#t~mem14.offset; [L1037] havoc main_#t~mem12.base, main_#t~mem12.offset; [L1037] havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1038] call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4); [L1038] call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4); [L1038] call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem15.base=24, main_#t~mem15.offset=0, main_#t~mem16.base=45, main_#t~mem16.offset=0, main_#t~mem17.base=27, main_#t~mem17.offset=0, main_#t~mem18=3, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assume !(3 != main_#t~mem18); [L1038] havoc main_#t~mem15.base, main_#t~mem15.offset; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16.base, main_#t~mem16.offset; [L1038] havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~short23, main_#t~mem24, main_#t~nondet20, main_#t~short21, main_#t~mem25, main_~head~0, main_~item~0, main_~status~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~item~0 := main_~head~0; [L991] main_~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND TRUE 0 == main_~status~0 [L1002] FCALL call write~int(1, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1003] main_~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND TRUE 1 == main_~status~0 [L1007] FCALL call write~int(2, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1008] main_~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND FALSE !(1 == main_~status~0) [L1010] COND TRUE main_~status~0 >= 2 [L1012] FCALL call write~int(3, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1013] main_~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993-L1018] COND TRUE !(0 != main_#t~nondet1) [L993] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1020] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1021] COND FALSE !(1 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1026] COND FALSE !(2 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1032] COND TRUE 3 == main_~status~0 VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1034] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] FCALL call main_#t~mem9 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem9!base=24, main_#t~mem9!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] COND FALSE !(!(main_#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1036] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_#t~mem10!base, offset: main_#t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem10!base=24, main_#t~mem10!offset=0, main_#t~mem11!base=45, main_#t~mem11!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] COND FALSE !(!(main_#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc main_#t~mem11; [L1036] havoc main_#t~mem10; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1037] FCALL call main_#t~mem13 := read~$Pointer$({ base: main_#t~mem12!base, offset: main_#t~mem12!offset }, 4); [L1037] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_#t~mem13!base, offset: main_#t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem12!base=24, main_#t~mem12!offset=0, main_#t~mem13!base=45, main_#t~mem13!offset=0, main_#t~mem14!base=27, main_#t~mem14!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] COND FALSE !(!(main_#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc main_#t~mem14; [L1037] havoc main_#t~mem12; [L1037] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] FCALL call main_#t~mem15 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1038] FCALL call main_#t~mem16 := read~$Pointer$({ base: main_#t~mem15!base, offset: main_#t~mem15!offset }, 4); [L1038] FCALL call main_#t~mem17 := read~$Pointer$({ base: main_#t~mem16!base, offset: main_#t~mem16!offset }, 4); [L1038] FCALL call main_#t~mem18 := read~int({ base: main_#t~mem17!base, offset: 8 + main_#t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem15!base=24, main_#t~mem15!offset=0, main_#t~mem16!base=45, main_#t~mem16!offset=0, main_#t~mem17!base=27, main_#t~mem17!offset=0, main_#t~mem18=3, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] COND TRUE !(3 != main_#t~mem18) [L1038] havoc main_#t~mem15; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16; [L1038] havoc main_#t~mem17; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~short23, main_#t~mem24, main_#t~nondet20, main_#t~short21, main_#t~mem25, main_~head~0, main_~item~0, main_~status~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~item~0 := main_~head~0; [L991] main_~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND TRUE 0 == main_~status~0 [L1002] FCALL call write~int(1, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1003] main_~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND TRUE 1 == main_~status~0 [L1007] FCALL call write~int(2, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1008] main_~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND FALSE !(1 == main_~status~0) [L1010] COND TRUE main_~status~0 >= 2 [L1012] FCALL call write~int(3, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1013] main_~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993-L1018] COND TRUE !(0 != main_#t~nondet1) [L993] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1020] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1021] COND FALSE !(1 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1026] COND FALSE !(2 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1032] COND TRUE 3 == main_~status~0 VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1034] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] FCALL call main_#t~mem9 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem9!base=24, main_#t~mem9!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] COND FALSE !(!(main_#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1036] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_#t~mem10!base, offset: main_#t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem10!base=24, main_#t~mem10!offset=0, main_#t~mem11!base=45, main_#t~mem11!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] COND FALSE !(!(main_#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc main_#t~mem11; [L1036] havoc main_#t~mem10; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1037] FCALL call main_#t~mem13 := read~$Pointer$({ base: main_#t~mem12!base, offset: main_#t~mem12!offset }, 4); [L1037] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_#t~mem13!base, offset: main_#t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem12!base=24, main_#t~mem12!offset=0, main_#t~mem13!base=45, main_#t~mem13!offset=0, main_#t~mem14!base=27, main_#t~mem14!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] COND FALSE !(!(main_#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc main_#t~mem14; [L1037] havoc main_#t~mem12; [L1037] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] FCALL call main_#t~mem15 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1038] FCALL call main_#t~mem16 := read~$Pointer$({ base: main_#t~mem15!base, offset: main_#t~mem15!offset }, 4); [L1038] FCALL call main_#t~mem17 := read~$Pointer$({ base: main_#t~mem16!base, offset: main_#t~mem16!offset }, 4); [L1038] FCALL call main_#t~mem18 := read~int({ base: main_#t~mem17!base, offset: 8 + main_#t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem15!base=24, main_#t~mem15!offset=0, main_#t~mem16!base=45, main_#t~mem16!offset=0, main_#t~mem17!base=27, main_#t~mem17!offset=0, main_#t~mem18=3, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] COND TRUE !(3 != main_#t~mem18) [L1038] havoc main_#t~mem15; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16; [L1038] havoc main_#t~mem17; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~item~0 := ~head~0; [L991] ~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND TRUE 0 == ~status~0 [L1002] FCALL call write~int(1, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1003] ~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND TRUE 1 == ~status~0 [L1007] FCALL call write~int(2, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1008] ~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND FALSE !(1 == ~status~0) [L1010] COND TRUE ~status~0 >= 2 [L1012] FCALL call write~int(3, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1013] ~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND TRUE !(0 != #t~nondet1) [L993] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1020] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1021] COND FALSE !(1 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND FALSE !(2 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1032] COND TRUE 3 == ~status~0 VAL [#NULL!base=0, #NULL!offset=0] [L1034] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1035] FCALL call #t~mem9 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1035] COND FALSE !(!(#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L1036] FCALL call #t~mem10 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1036] FCALL call #t~mem11 := read~$Pointer$({ base: #t~mem10!base, offset: #t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1036] COND FALSE !(!(#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc #t~mem11; [L1036] havoc #t~mem10; VAL [#NULL!base=0, #NULL!offset=0] [L1037] FCALL call #t~mem12 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1037] FCALL call #t~mem13 := read~$Pointer$({ base: #t~mem12!base, offset: #t~mem12!offset }, 4); [L1037] FCALL call #t~mem14 := read~$Pointer$({ base: #t~mem13!base, offset: #t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1037] COND FALSE !(!(#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc #t~mem14; [L1037] havoc #t~mem12; [L1037] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1038] FCALL call #t~mem15 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1038] FCALL call #t~mem16 := read~$Pointer$({ base: #t~mem15!base, offset: #t~mem15!offset }, 4); [L1038] FCALL call #t~mem17 := read~$Pointer$({ base: #t~mem16!base, offset: #t~mem16!offset }, 4); [L1038] FCALL call #t~mem18 := read~int({ base: #t~mem17!base, offset: 8 + #t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1038] COND TRUE !(3 != #t~mem18) [L1038] havoc #t~mem15; [L1038] havoc #t~mem18; [L1038] havoc #t~mem16; [L1038] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~item~0 := ~head~0; [L991] ~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND TRUE 0 == ~status~0 [L1002] FCALL call write~int(1, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1003] ~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND TRUE 1 == ~status~0 [L1007] FCALL call write~int(2, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1008] ~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND FALSE !(1 == ~status~0) [L1010] COND TRUE ~status~0 >= 2 [L1012] FCALL call write~int(3, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1013] ~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND TRUE !(0 != #t~nondet1) [L993] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1020] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1021] COND FALSE !(1 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND FALSE !(2 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1032] COND TRUE 3 == ~status~0 VAL [#NULL!base=0, #NULL!offset=0] [L1034] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1035] FCALL call #t~mem9 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1035] COND FALSE !(!(#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L1036] FCALL call #t~mem10 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1036] FCALL call #t~mem11 := read~$Pointer$({ base: #t~mem10!base, offset: #t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1036] COND FALSE !(!(#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc #t~mem11; [L1036] havoc #t~mem10; VAL [#NULL!base=0, #NULL!offset=0] [L1037] FCALL call #t~mem12 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1037] FCALL call #t~mem13 := read~$Pointer$({ base: #t~mem12!base, offset: #t~mem12!offset }, 4); [L1037] FCALL call #t~mem14 := read~$Pointer$({ base: #t~mem13!base, offset: #t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1037] COND FALSE !(!(#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc #t~mem14; [L1037] havoc #t~mem12; [L1037] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1038] FCALL call #t~mem15 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1038] FCALL call #t~mem16 := read~$Pointer$({ base: #t~mem15!base, offset: #t~mem15!offset }, 4); [L1038] FCALL call #t~mem17 := read~$Pointer$({ base: #t~mem16!base, offset: #t~mem16!offset }, 4); [L1038] FCALL call #t~mem18 := read~int({ base: #t~mem17!base, offset: 8 + #t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1038] COND TRUE !(3 != #t~mem18) [L1038] havoc #t~mem15; [L1038] havoc #t~mem18; [L1038] havoc #t~mem16; [L1038] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L990] SLL* item = head; [L991] int status = 0; [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND TRUE !status [L1002] item->data = 1 [L1003] status = 1 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND TRUE status == 1 [L1007] item->data = 2 [L1008] status = 2 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND FALSE !(status == 1) [L1010] COND TRUE status >= 2 [L1012] item->data = 3 [L1013] status = 3 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) [L1021] COND FALSE !(status == 1) [L1026] COND FALSE !(status == 2) [L1032] COND TRUE status == 3 [L1034] COND FALSE !(!(head != ((void*)0))) [L1035] EXPR head->next [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1036] EXPR head->next [L1036] EXPR head->next->next [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1037] EXPR head->next [L1037] EXPR head->next->next [L1037] EXPR head->next->next->next [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1038] EXPR head->next [L1038] EXPR head->next->next [L1038] EXPR head->next->next->next [L1038] EXPR head->next->next->next->data [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() ----- [2018-11-23 07:39:00,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:39:00 ImpRootNode [2018-11-23 07:39:00,831 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:39:00,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:39:00,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:39:00,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:39:00,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:58" (3/4) ... [2018-11-23 07:39:00,834 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset;main_~status~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=5, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=5, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=24, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=24, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=45, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=2, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=45, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4);main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4);BeginParallelComposition{ParallelCodeBlock0: assume 0 == main_~status~0;call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 1;ParallelCodeBlock1: assume !(0 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume 1 == main_~status~0;call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 2;ParallelCodeBlock1: assume !(1 == main_~status~0);BeginParallelComposition{ParallelCodeBlock0: assume main_~status~0 >= 2;call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4);main_~status~0 := 3;ParallelCodeBlock1: assume !(main_~status~0 >= 2);}EndParallelComposition}EndParallelComposition}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(1 == main_~status~0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(2 == main_~status~0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume 3 == main_~status~0; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem9.base|=24, |ULTIMATE.start_main_#t~mem9.offset|=0] [?] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0);havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem10.base|=24, |ULTIMATE.start_main_#t~mem10.offset|=0, |ULTIMATE.start_main_#t~mem11.base|=45, |ULTIMATE.start_main_#t~mem11.offset|=0] [?] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0);havoc main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4);call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem12.base|=24, |ULTIMATE.start_main_#t~mem12.offset|=0, |ULTIMATE.start_main_#t~mem13.base|=45, |ULTIMATE.start_main_#t~mem13.offset|=0, |ULTIMATE.start_main_#t~mem14.base|=27, |ULTIMATE.start_main_#t~mem14.offset|=0] [?] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0);havoc main_#t~mem14.base, main_#t~mem14.offset;havoc main_#t~mem12.base, main_#t~mem12.offset;havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4);call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4);call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem15.base|=24, |ULTIMATE.start_main_#t~mem15.offset|=0, |ULTIMATE.start_main_#t~mem16.base|=45, |ULTIMATE.start_main_#t~mem16.offset|=0, |ULTIMATE.start_main_#t~mem17.base|=27, |ULTIMATE.start_main_#t~mem17.offset|=0, |ULTIMATE.start_main_#t~mem18|=3] [?] assume !(3 != main_#t~mem18);havoc main_#t~mem15.base, main_#t~mem15.offset;havoc main_#t~mem18;havoc main_#t~mem16.base, main_#t~mem16.offset;havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=5, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~item~0.base=27, ULTIMATE.start_main_~item~0.offset=0, ULTIMATE.start_main_~status~0=3, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=27, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~status~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume 0 == main_~status~0; [L1002] call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1003] main_~status~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume 1 == main_~status~0; [L1007] call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1008] main_~status~0 := 2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume !(1 == main_~status~0); [L1010-L1014] assume main_~status~0 >= 2; [L1012] call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1013] main_~status~0 := 3; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993-L1018] assume !(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1020] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1021-L1025] assume !(1 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1026-L1031] assume !(2 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1032-L1039] assume 3 == main_~status~0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1034] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem9.base=24, main_#t~mem9.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0); [L1035] havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1036] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem10.base=24, main_#t~mem10.offset=0, main_#t~mem11.base=45, main_#t~mem11.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0); [L1036] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1036] havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1037] call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4); [L1037] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem12.base=24, main_#t~mem12.offset=0, main_#t~mem13.base=45, main_#t~mem13.offset=0, main_#t~mem14.base=27, main_#t~mem14.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0); [L1037] havoc main_#t~mem14.base, main_#t~mem14.offset; [L1037] havoc main_#t~mem12.base, main_#t~mem12.offset; [L1037] havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1038] call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4); [L1038] call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4); [L1038] call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem15.base=24, main_#t~mem15.offset=0, main_#t~mem16.base=45, main_#t~mem16.offset=0, main_#t~mem17.base=27, main_#t~mem17.offset=0, main_#t~mem18=3, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assume !(3 != main_#t~mem18); [L1038] havoc main_#t~mem15.base, main_#t~mem15.offset; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16.base, main_#t~mem16.offset; [L1038] havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem11.base, main_#t~mem11.offset, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~short23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~nondet20, main_#t~short21, main_#t~mem25.base, main_#t~mem25.offset, main_~head~0.base, main_~head~0.offset, main_~item~0.base, main_~item~0.offset, main_~status~0; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~item~0.base, main_~item~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~status~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=5, main_~item~0.offset=0, main_~status~0=0] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume 0 == main_~status~0; [L1002] call write~int(1, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1003] main_~status~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=24, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=24, main_~item~0.offset=0, main_~status~0=1] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume 1 == main_~status~0; [L1007] call write~int(2, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1008] main_~status~0 := 2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=45, main_#t~malloc2.offset=0, main_#t~nondet1=-1, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=45, main_~item~0.offset=0, main_~status~0=2] [L993-L1018] assume !!(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; [L995] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L995] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~item~0.base, main_~item~0.offset, 4); [L996] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L996] call write~$Pointer$(main_~item~0.base, main_~item~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L996] havoc main_#t~mem3.base, main_#t~mem3.offset; [L997] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~item~0.base, main_~item~0.offset, 4); [L997] main_~item~0.base, main_~item~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L997] havoc main_#t~mem4.base, main_#t~mem4.offset; [L998] call write~$Pointer$(0, 0, main_~item~0.base, main_~item~0.offset, 4); [L1000-L1014] assume !(0 == main_~status~0); [L1005-L1014] assume !(1 == main_~status~0); [L1010-L1014] assume main_~status~0 >= 2; [L1012] call write~int(3, main_~item~0.base, 8 + main_~item~0.offset, 4); [L1013] main_~status~0 := 3; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1016] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1017] assume !!(main_~item~0.base != 0 || main_~item~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L993-L1018] assume !(0 != main_#t~nondet1); [L993] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1020] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1021-L1025] assume !(1 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1026-L1031] assume !(2 == main_~status~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1032-L1039] assume 3 == main_~status~0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1034] assume !!(main_~head~0.base != 0 || main_~head~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] call main_#t~mem9.base, main_#t~mem9.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem9.base=24, main_#t~mem9.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1035] assume !!(main_#t~mem9.base != 0 || main_#t~mem9.offset != 0); [L1035] havoc main_#t~mem9.base, main_#t~mem9.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1036] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_#t~mem10.base, main_#t~mem10.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem10.base=24, main_#t~mem10.offset=0, main_#t~mem11.base=45, main_#t~mem11.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1036] assume !!(main_#t~mem11.base != 0 || main_#t~mem11.offset != 0); [L1036] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1036] havoc main_#t~mem10.base, main_#t~mem10.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1037] call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_#t~mem12.base, main_#t~mem12.offset, 4); [L1037] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_#t~mem13.base, main_#t~mem13.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem12.base=24, main_#t~mem12.offset=0, main_#t~mem13.base=45, main_#t~mem13.offset=0, main_#t~mem14.base=27, main_#t~mem14.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1037] assume !!(main_#t~mem14.base != 0 || main_#t~mem14.offset != 0); [L1037] havoc main_#t~mem14.base, main_#t~mem14.offset; [L1037] havoc main_#t~mem12.base, main_#t~mem12.offset; [L1037] havoc main_#t~mem13.base, main_#t~mem13.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1038] call main_#t~mem16.base, main_#t~mem16.offset := read~$Pointer$(main_#t~mem15.base, main_#t~mem15.offset, 4); [L1038] call main_#t~mem17.base, main_#t~mem17.offset := read~$Pointer$(main_#t~mem16.base, main_#t~mem16.offset, 4); [L1038] call main_#t~mem18 := read~int(main_#t~mem17.base, 8 + main_#t~mem17.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_#t~mem15.base=24, main_#t~mem15.offset=0, main_#t~mem16.base=45, main_#t~mem16.offset=0, main_#t~mem17.base=27, main_#t~mem17.offset=0, main_#t~mem18=3, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assume !(3 != main_#t~mem18); [L1038] havoc main_#t~mem15.base, main_#t~mem15.offset; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16.base, main_#t~mem16.offset; [L1038] havoc main_#t~mem17.base, main_#t~mem17.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=27, main_#t~malloc2.offset=0, main_~head~0.base=5, main_~head~0.offset=0, main_~item~0.base=27, main_~item~0.offset=0, main_~status~0=3] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~short23, main_#t~mem24, main_#t~nondet20, main_#t~short21, main_#t~mem25, main_~head~0, main_~item~0, main_~status~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~item~0 := main_~head~0; [L991] main_~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND TRUE 0 == main_~status~0 [L1002] FCALL call write~int(1, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1003] main_~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND TRUE 1 == main_~status~0 [L1007] FCALL call write~int(2, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1008] main_~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND FALSE !(1 == main_~status~0) [L1010] COND TRUE main_~status~0 >= 2 [L1012] FCALL call write~int(3, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1013] main_~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993-L1018] COND TRUE !(0 != main_#t~nondet1) [L993] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1020] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1021] COND FALSE !(1 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1026] COND FALSE !(2 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1032] COND TRUE 3 == main_~status~0 VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1034] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] FCALL call main_#t~mem9 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem9!base=24, main_#t~mem9!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] COND FALSE !(!(main_#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1036] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_#t~mem10!base, offset: main_#t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem10!base=24, main_#t~mem10!offset=0, main_#t~mem11!base=45, main_#t~mem11!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] COND FALSE !(!(main_#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc main_#t~mem11; [L1036] havoc main_#t~mem10; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1037] FCALL call main_#t~mem13 := read~$Pointer$({ base: main_#t~mem12!base, offset: main_#t~mem12!offset }, 4); [L1037] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_#t~mem13!base, offset: main_#t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem12!base=24, main_#t~mem12!offset=0, main_#t~mem13!base=45, main_#t~mem13!offset=0, main_#t~mem14!base=27, main_#t~mem14!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] COND FALSE !(!(main_#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc main_#t~mem14; [L1037] havoc main_#t~mem12; [L1037] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] FCALL call main_#t~mem15 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1038] FCALL call main_#t~mem16 := read~$Pointer$({ base: main_#t~mem15!base, offset: main_#t~mem15!offset }, 4); [L1038] FCALL call main_#t~mem17 := read~$Pointer$({ base: main_#t~mem16!base, offset: main_#t~mem16!offset }, 4); [L1038] FCALL call main_#t~mem18 := read~int({ base: main_#t~mem17!base, offset: 8 + main_#t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem15!base=24, main_#t~mem15!offset=0, main_#t~mem16!base=45, main_#t~mem16!offset=0, main_#t~mem17!base=27, main_#t~mem17!offset=0, main_#t~mem18=3, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] COND TRUE !(3 != main_#t~mem18) [L1038] havoc main_#t~mem15; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16; [L1038] havoc main_#t~mem17; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~short23, main_#t~mem24, main_#t~nondet20, main_#t~short21, main_#t~mem25, main_~head~0, main_~item~0, main_~status~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~item~0 := main_~head~0; [L991] main_~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=5, main_~item~0!offset=0, main_~status~0=0] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND TRUE 0 == main_~status~0 [L1002] FCALL call write~int(1, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1003] main_~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=24, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=24, main_~item~0!offset=0, main_~status~0=1] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND TRUE 1 == main_~status~0 [L1007] FCALL call write~int(2, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1008] main_~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=45, main_#t~malloc2!offset=0, main_#t~nondet1=-1, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=45, main_~item~0!offset=0, main_~status~0=2] [L993-L1018] COND FALSE !(!(0 != main_#t~nondet1)) [L993] havoc main_#t~nondet1; [L995] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(main_~item~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L996] havoc main_#t~mem3; [L997] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L997] main_~item~0 := main_#t~mem4; [L997] havoc main_#t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~item~0!base, offset: main_~item~0!offset }, 4); [L1000] COND FALSE !(0 == main_~status~0) [L1005] COND FALSE !(1 == main_~status~0) [L1010] COND TRUE main_~status~0 >= 2 [L1012] FCALL call write~int(3, { base: main_~item~0!base, offset: 8 + main_~item~0!offset }, 4); [L1013] main_~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1016] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1017] COND FALSE !(!(main_~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L993-L1018] COND TRUE !(0 != main_#t~nondet1) [L993] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1020] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1021] COND FALSE !(1 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1026] COND FALSE !(2 == main_~status~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1032] COND TRUE 3 == main_~status~0 VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1034] COND FALSE !(!(main_~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] FCALL call main_#t~mem9 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem9!base=24, main_#t~mem9!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1035] COND FALSE !(!(main_#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1036] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_#t~mem10!base, offset: main_#t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem10!base=24, main_#t~mem10!offset=0, main_#t~mem11!base=45, main_#t~mem11!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1036] COND FALSE !(!(main_#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc main_#t~mem11; [L1036] havoc main_#t~mem10; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1037] FCALL call main_#t~mem13 := read~$Pointer$({ base: main_#t~mem12!base, offset: main_#t~mem12!offset }, 4); [L1037] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_#t~mem13!base, offset: main_#t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem12!base=24, main_#t~mem12!offset=0, main_#t~mem13!base=45, main_#t~mem13!offset=0, main_#t~mem14!base=27, main_#t~mem14!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1037] COND FALSE !(!(main_#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc main_#t~mem14; [L1037] havoc main_#t~mem12; [L1037] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] FCALL call main_#t~mem15 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1038] FCALL call main_#t~mem16 := read~$Pointer$({ base: main_#t~mem15!base, offset: main_#t~mem15!offset }, 4); [L1038] FCALL call main_#t~mem17 := read~$Pointer$({ base: main_#t~mem16!base, offset: main_#t~mem16!offset }, 4); [L1038] FCALL call main_#t~mem18 := read~int({ base: main_#t~mem17!base, offset: 8 + main_#t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_#t~mem15!base=24, main_#t~mem15!offset=0, main_#t~mem16!base=45, main_#t~mem16!offset=0, main_#t~mem17!base=27, main_#t~mem17!offset=0, main_#t~mem18=3, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] COND TRUE !(3 != main_#t~mem18) [L1038] havoc main_#t~mem15; [L1038] havoc main_#t~mem18; [L1038] havoc main_#t~mem16; [L1038] havoc main_#t~mem17; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=27, main_#t~malloc2!offset=0, main_~head~0!base=5, main_~head~0!offset=0, main_~item~0!base=27, main_~item~0!offset=0, main_~status~0=3] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~item~0 := ~head~0; [L991] ~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND TRUE 0 == ~status~0 [L1002] FCALL call write~int(1, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1003] ~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND TRUE 1 == ~status~0 [L1007] FCALL call write~int(2, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1008] ~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND FALSE !(1 == ~status~0) [L1010] COND TRUE ~status~0 >= 2 [L1012] FCALL call write~int(3, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1013] ~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND TRUE !(0 != #t~nondet1) [L993] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1020] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1021] COND FALSE !(1 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND FALSE !(2 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1032] COND TRUE 3 == ~status~0 VAL [#NULL!base=0, #NULL!offset=0] [L1034] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1035] FCALL call #t~mem9 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1035] COND FALSE !(!(#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L1036] FCALL call #t~mem10 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1036] FCALL call #t~mem11 := read~$Pointer$({ base: #t~mem10!base, offset: #t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1036] COND FALSE !(!(#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc #t~mem11; [L1036] havoc #t~mem10; VAL [#NULL!base=0, #NULL!offset=0] [L1037] FCALL call #t~mem12 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1037] FCALL call #t~mem13 := read~$Pointer$({ base: #t~mem12!base, offset: #t~mem12!offset }, 4); [L1037] FCALL call #t~mem14 := read~$Pointer$({ base: #t~mem13!base, offset: #t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1037] COND FALSE !(!(#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc #t~mem14; [L1037] havoc #t~mem12; [L1037] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1038] FCALL call #t~mem15 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1038] FCALL call #t~mem16 := read~$Pointer$({ base: #t~mem15!base, offset: #t~mem15!offset }, 4); [L1038] FCALL call #t~mem17 := read~$Pointer$({ base: #t~mem16!base, offset: #t~mem16!offset }, 4); [L1038] FCALL call #t~mem18 := read~int({ base: #t~mem17!base, offset: 8 + #t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1038] COND TRUE !(3 != #t~mem18) [L1038] havoc #t~mem15; [L1038] havoc #t~mem18; [L1038] havoc #t~mem16; [L1038] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~item~0 := ~head~0; [L991] ~status~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND TRUE 0 == ~status~0 [L1002] FCALL call write~int(1, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1003] ~status~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND TRUE 1 == ~status~0 [L1007] FCALL call write~int(2, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1008] ~status~0 := 2; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND FALSE !(!(0 != #t~nondet1)) [L993] havoc #t~nondet1; [L995] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L995] FCALL call write~$Pointer$(#t~malloc2, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call #t~mem3 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L996] FCALL call write~$Pointer$(~item~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L996] havoc #t~mem3; [L997] FCALL call #t~mem4 := read~$Pointer$({ base: ~item~0!base, offset: ~item~0!offset }, 4); [L997] ~item~0 := #t~mem4; [L997] havoc #t~mem4; [L998] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~item~0!base, offset: ~item~0!offset }, 4); [L1000] COND FALSE !(0 == ~status~0) [L1005] COND FALSE !(1 == ~status~0) [L1010] COND TRUE ~status~0 >= 2 [L1012] FCALL call write~int(3, { base: ~item~0!base, offset: 8 + ~item~0!offset }, 4); [L1013] ~status~0 := 3; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!(~item~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L993] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L993-L1018] COND TRUE !(0 != #t~nondet1) [L993] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1020] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1021] COND FALSE !(1 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND FALSE !(2 == ~status~0) VAL [#NULL!base=0, #NULL!offset=0] [L1032] COND TRUE 3 == ~status~0 VAL [#NULL!base=0, #NULL!offset=0] [L1034] COND FALSE !(!(~head~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0] [L1035] FCALL call #t~mem9 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1035] COND FALSE !(!(#t~mem9 != { base: 0, offset: 0 })) [L1035] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L1036] FCALL call #t~mem10 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1036] FCALL call #t~mem11 := read~$Pointer$({ base: #t~mem10!base, offset: #t~mem10!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1036] COND FALSE !(!(#t~mem11 != { base: 0, offset: 0 })) [L1036] havoc #t~mem11; [L1036] havoc #t~mem10; VAL [#NULL!base=0, #NULL!offset=0] [L1037] FCALL call #t~mem12 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1037] FCALL call #t~mem13 := read~$Pointer$({ base: #t~mem12!base, offset: #t~mem12!offset }, 4); [L1037] FCALL call #t~mem14 := read~$Pointer$({ base: #t~mem13!base, offset: #t~mem13!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1037] COND FALSE !(!(#t~mem14 != { base: 0, offset: 0 })) [L1037] havoc #t~mem14; [L1037] havoc #t~mem12; [L1037] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1038] FCALL call #t~mem15 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1038] FCALL call #t~mem16 := read~$Pointer$({ base: #t~mem15!base, offset: #t~mem15!offset }, 4); [L1038] FCALL call #t~mem17 := read~$Pointer$({ base: #t~mem16!base, offset: #t~mem16!offset }, 4); [L1038] FCALL call #t~mem18 := read~int({ base: #t~mem17!base, offset: 8 + #t~mem17!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1038] COND TRUE !(3 != #t~mem18) [L1038] havoc #t~mem15; [L1038] havoc #t~mem18; [L1038] havoc #t~mem16; [L1038] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0] [L1038] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L990] SLL* item = head; [L991] int status = 0; [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND TRUE !status [L1002] item->data = 1 [L1003] status = 1 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND TRUE status == 1 [L1007] item->data = 2 [L1008] status = 2 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND FALSE !(status == 1) [L1010] COND TRUE status >= 2 [L1012] item->data = 3 [L1013] status = 3 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) [L1021] COND FALSE !(status == 1) [L1026] COND FALSE !(status == 2) [L1032] COND TRUE status == 3 [L1034] COND FALSE !(!(head != ((void*)0))) [L1035] EXPR head->next [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1036] EXPR head->next [L1036] EXPR head->next->next [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1037] EXPR head->next [L1037] EXPR head->next->next [L1037] EXPR head->next->next->next [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1038] EXPR head->next [L1038] EXPR head->next->next [L1038] EXPR head->next->next->next [L1038] EXPR head->next->next->next->data [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() ----- [2018-11-23 07:39:01,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3451ded-4896-48ff-afe0-e47d1c528f8f/bin-2019/ukojak/witness.graphml [2018-11-23 07:39:01,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:39:01,098 INFO L168 Benchmark]: Toolchain (without parser) took 63395.96 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 956.6 MB in the beginning and 1.5 GB in the end (delta: -561.0 MB). Peak memory consumption was 468.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:01,101 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:39:01,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:01,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:39:01,102 INFO L168 Benchmark]: Boogie Preprocessor took 23.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:01,102 INFO L168 Benchmark]: RCFGBuilder took 441.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:01,102 INFO L168 Benchmark]: CodeCheck took 62296.33 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 868.7 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -431.7 MB). Peak memory consumption was 437.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:01,103 INFO L168 Benchmark]: Witness Printer took 265.83 ms. Allocated memory is still 2.1 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:39:01,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 14 error locations. UNSAFE Result, 62.1s OverallTime, 46 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1373837408 SDtfs, -1034057536 SDslu, 445592752 SDs, 0 SdLazy, -663831972 SolverSat, 360575580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9946 GetRequests, 8786 SyntacticMatches, 460 SemanticMatches, 700 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295296 ImplicationChecksByTransitivity, 55.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1035 ConstructedInterpolants, 0 QuantifiedInterpolants, 604973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 38/571 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L990] SLL* item = head; [L991] int status = 0; [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND TRUE !status [L1002] item->data = 1 [L1003] status = 1 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND TRUE status == 1 [L1007] item->data = 2 [L1008] status = 2 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND TRUE __VERIFIER_nondet_int() [L995] item->next = malloc(sizeof(SLL)) [L996] EXPR item->next [L996] item->next->prev = item [L997] EXPR item->next [L997] item = item->next [L998] item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND FALSE !(status == 1) [L1010] COND TRUE status >= 2 [L1012] item->data = 3 [L1013] status = 3 [L1016] COND FALSE !(!(head != ((void*)0))) [L1017] COND FALSE !(!(item != ((void*)0))) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) [L1021] COND FALSE !(status == 1) [L1026] COND FALSE !(status == 2) [L1032] COND TRUE status == 3 [L1034] COND FALSE !(!(head != ((void*)0))) [L1035] EXPR head->next [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1036] EXPR head->next [L1036] EXPR head->next->next [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1037] EXPR head->next [L1037] EXPR head->next->next [L1037] EXPR head->next->next->next [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1038] EXPR head->next [L1038] EXPR head->next->next [L1038] EXPR head->next->next->next [L1038] EXPR head->next->next->next->data [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. * CodeCheck took 62296.33 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 868.7 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -431.7 MB). Peak memory consumption was 437.0 MB. Max. memory is 11.5 GB. * Witness Printer took 265.83 ms. Allocated memory is still 2.1 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...