./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:03:13,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:03:13,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:03:13,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:03:13,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:03:13,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:03:13,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:03:13,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:03:13,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:03:13,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:03:13,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:03:13,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:03:13,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:03:13,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:03:13,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:03:13,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:03:13,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:03:13,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:03:13,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:03:13,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:03:13,735 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:03:13,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:03:13,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:03:13,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:03:13,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:03:13,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:03:13,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:13,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:03:13,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:03:13,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:03:13,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:03:13,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:03:13,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f [2024-11-25 05:03:14,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:03:14,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:03:14,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:03:14,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:03:14,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:03:14,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2024-11-25 05:03:17,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/data/a21bb8c51/cd8e70d1ccb34dd39405cba5908fb14e/FLAG19251f617 [2024-11-25 05:03:18,413 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:03:18,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2024-11-25 05:03:18,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/data/a21bb8c51/cd8e70d1ccb34dd39405cba5908fb14e/FLAG19251f617 [2024-11-25 05:03:18,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/data/a21bb8c51/cd8e70d1ccb34dd39405cba5908fb14e [2024-11-25 05:03:18,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:03:18,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:03:18,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:18,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:03:18,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:03:18,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:18" (1/1) ... [2024-11-25 05:03:18,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62727b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:18, skipping insertion in model container [2024-11-25 05:03:18,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:18" (1/1) ... [2024-11-25 05:03:18,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:03:18,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:18,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:03:19,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:19,045 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:03:19,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19 WrapperNode [2024-11-25 05:03:19,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:19,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:19,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:03:19,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:03:19,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,090 INFO L138 Inliner]: procedures = 110, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2024-11-25 05:03:19,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:19,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:03:19,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:03:19,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:03:19,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:03:19,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:03:19,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:03:19,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:03:19,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:03:19,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:03:19,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:03:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:03:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:03:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:03:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:03:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:03:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:03:19,365 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:03:19,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:03:19,604 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 05:03:19,605 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:03:19,670 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:03:19,674 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:03:19,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:19 BoogieIcfgContainer [2024-11-25 05:03:19,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:03:19,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:03:19,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:03:19,693 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:03:19,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:19" (1/1) ... [2024-11-25 05:03:19,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:03:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 05:03:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 05:03:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:03:19,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 05:03:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 05:03:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:03:21,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 05:03:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 05:03:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:03:21,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-25 05:03:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-25 05:03:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:03:22,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-25 05:03:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-25 05:03:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:03:22,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:23,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-25 05:03:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-25 05:03:23,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:03:23,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:23,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-25 05:03:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-25 05:03:23,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:03:23,699 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 05:03:23,711 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 05:03:23,779 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2024-11-25 05:03:23,779 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:03:23,782 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-25 05:03:23,783 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem9#1| 254) (<= 0 (+ |ULTIMATE.start_main_#t~mem9#1| 2147483650))) [2024-11-25 05:03:23,783 INFO L77 FloydHoareUtils]: At program point L558-2(lines 552 561) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 2147483648)) [2024-11-25 05:03:23,783 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem9#1| 254) (<= 0 (+ |ULTIMATE.start_main_#t~mem9#1| 2147483650))) [2024-11-25 05:03:23,783 INFO L77 FloydHoareUtils]: At program point L554(line 554) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post8#1| 254) (<= 0 (+ 2147483647 |ULTIMATE.start_main_#t~post8#1|))) [2024-11-25 05:03:23,783 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:03:23,784 INFO L77 FloydHoareUtils]: At program point L554-1(line 554) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post8#1| 254) (<= 0 (+ 2147483647 |ULTIMATE.start_main_#t~post8#1|))) [2024-11-25 05:03:23,784 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 561) the Hoare annotation is: (and (= |ULTIMATE.start_main_#t~mem5#1| (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= 0 (+ |ULTIMATE.start_main_#t~mem5#1| 2147483648))) [2024-11-25 05:03:23,784 INFO L77 FloydHoareUtils]: At program point L552-4(lines 552 561) the Hoare annotation is: true [2024-11-25 05:03:23,784 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2024-11-25 05:03:23,784 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-25 05:03:23,784 INFO L77 FloydHoareUtils]: At program point L553(lines 553 557) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (and (let ((.cse0 (mod |ULTIMATE.start_main_#t~mem6#1| 2))) (or (< .cse0 (+ 2147483649 .cse1)) (< .cse0 1))) (<= .cse1 254) (<= 0 (+ 2147483650 .cse1)))) [2024-11-25 05:03:23,785 INFO L77 FloydHoareUtils]: At program point L553-2(lines 553 557) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 2147483648)) [2024-11-25 05:03:23,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-25 05:03:23,806 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-25 05:03:23,806 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-11-25 05:03:23,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:03:23 ImpRootNode [2024-11-25 05:03:23,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:03:23,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:03:23,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:03:23,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:03:23,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:19" (3/4) ... [2024-11-25 05:03:23,816 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:03:23,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-25 05:03:23,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:03:23,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 05:03:23,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:03:23,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:03:23,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:03:23,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:03:23,942 INFO L158 Benchmark]: Toolchain (without parser) took 5443.44ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 103.0MB in the beginning and 364.5MB in the end (delta: -261.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-25 05:03:23,942 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:03:23,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.35ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 86.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:03:23,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.21ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:03:23,943 INFO L158 Benchmark]: Boogie Preprocessor took 27.75ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:03:23,943 INFO L158 Benchmark]: RCFGBuilder took 555.32ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 72.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:03:23,944 INFO L158 Benchmark]: CodeCheck took 4135.38ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.2MB in the beginning and 369.2MB in the end (delta: -297.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:03:23,946 INFO L158 Benchmark]: Witness Printer took 124.67ms. Allocated memory is still 427.8MB. Free memory was 369.2MB in the beginning and 364.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:03:23,948 INFO L338 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 0 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 300 SyntacticMatches, 13 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.35ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 86.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.21ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.75ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.32ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 72.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4135.38ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.2MB in the beginning and 369.2MB in the end (delta: -297.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.67ms. Allocated memory is still 427.8MB. Free memory was 369.2MB in the beginning and 364.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-25 05:03:23,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f82c17a-7079-4197-9c13-5401a52956e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE