./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e03ee78d6fb8fed8d925fa146d2fbaeda58a8eee93c250fd17f0234d1b1c9cb7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:36:19,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:36:19,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 03:36:19,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:36:19,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:36:19,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:36:19,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:36:19,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:36:19,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:36:19,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:36:19,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:36:19,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:36:19,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:36:19,526 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:36:19,526 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:36:19,527 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:36:19,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:36:19,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:36:19,528 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:36:19,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:36:19,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:36:19,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:36:19,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:36:19,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:36:19,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:19,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:36:19,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:36:19,538 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:36:19,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:36:19,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03ee78d6fb8fed8d925fa146d2fbaeda58a8eee93c250fd17f0234d1b1c9cb7 [2023-12-03 03:36:19,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:36:19,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:36:19,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:36:19,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:36:19,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:36:19,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-regression/test07.c [2023-12-03 03:36:23,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:36:23,319 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:36:23,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/sv-benchmarks/c/ldv-regression/test07.c [2023-12-03 03:36:23,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/data/5acf1ccad/d1d78311637b4f409fa4b870353975f0/FLAG01e7a0d34 [2023-12-03 03:36:23,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/data/5acf1ccad/d1d78311637b4f409fa4b870353975f0 [2023-12-03 03:36:23,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:36:23,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:36:23,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:23,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:36:23,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:36:23,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e6bdf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23, skipping insertion in model container [2023-12-03 03:36:23,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:36:23,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:23,530 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:36:23,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:23,558 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:36:23,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23 WrapperNode [2023-12-03 03:36:23,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:23,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:23,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:36:23,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:36:23,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,593 INFO L138 Inliner]: procedures = 12, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-12-03 03:36:23,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:23,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:36:23,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:36:23,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:36:23,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:36:23,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:36:23,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:36:23,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:36:23,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:23" (1/1) ... [2023-12-03 03:36:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:23,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:36:23,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:36:23,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:36:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:36:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:36:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:36:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:36:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:36:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:36:23,785 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:36:23,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:36:24,007 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:36:24,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:36:24,070 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:36:24,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:24 BoogieIcfgContainer [2023-12-03 03:36:24,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:36:24,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:36:24,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:36:24,087 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:36:24,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:24" (1/1) ... [2023-12-03 03:36:24,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:36:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2023-12-03 03:36:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2023-12-03 03:36:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 03:36:24,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:24,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2023-12-03 03:36:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2023-12-03 03:36:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 03:36:24,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-12-03 03:36:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-12-03 03:36:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:36:24,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2023-12-03 03:36:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2023-12-03 03:36:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:36:24,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:24,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2023-12-03 03:36:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2023-12-03 03:36:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:36:25,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-03 03:36:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-03 03:36:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:36:25,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-12-03 03:36:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-12-03 03:36:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:36:25,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-03 03:36:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-03 03:36:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:36:25,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-12-03 03:36:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-12-03 03:36:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:36:25,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:25,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-12-03 03:36:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-12-03 03:36:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:36:26,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-12-03 03:36:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-12-03 03:36:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:36:27,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:27,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2023-12-03 03:36:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2023-12-03 03:36:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:36:28,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-12-03 03:36:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-12-03 03:36:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:36:30,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-12-03 03:36:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-12-03 03:36:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:36:30,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:30,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-12-03 03:36:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-12-03 03:36:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:36:31,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2023-12-03 03:36:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2023-12-03 03:36:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:36:31,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-12-03 03:36:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-12-03 03:36:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:36:31,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-12-03 03:36:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-12-03 03:36:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:36:31,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-12-03 03:36:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-12-03 03:36:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:36:31,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:32,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-12-03 03:36:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-12-03 03:36:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:36:32,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:32,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-03 03:36:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-03 03:36:38,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:36:38,219 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-12-03 03:36:38,228 INFO L751 CodeCheckObserver]: All specifications hold 20 specifications checked. All of them hold [2023-12-03 03:36:38,337 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-03 03:36:38,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-12-03 03:36:38,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#a~0!base] could not be translated [2023-12-03 03:36:38,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#a~0!base][~#a~0!offset] could not be translated [2023-12-03 03:36:38,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-12-03 03:36:38,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#a~0!base] could not be translated [2023-12-03 03:36:38,346 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 03:36:38,346 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-12-03 03:36:38,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 03:36:38,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:36:38 ImpRootNode [2023-12-03 03:36:38,348 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:36:38,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:36:38,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:36:38,349 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:36:38,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:24" (3/4) ... [2023-12-03 03:36:38,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:36:38,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-03 03:36:38,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 03:36:38,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:36:38,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:36:38,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:36:38,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:36:38,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:36:38,459 INFO L158 Benchmark]: Toolchain (without parser) took 15116.98ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 171.5MB in the beginning and 107.1MB in the end (delta: 64.3MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,459 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 87.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:38,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.20ms. Allocated memory is still 209.7MB. Free memory was 171.5MB in the beginning and 161.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.04ms. Allocated memory is still 209.7MB. Free memory was 161.0MB in the beginning and 159.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,461 INFO L158 Benchmark]: Boogie Preprocessor took 25.03ms. Allocated memory is still 209.7MB. Free memory was 159.7MB in the beginning and 158.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:38,462 INFO L158 Benchmark]: RCFGBuilder took 452.31ms. Allocated memory is still 209.7MB. Free memory was 158.4MB in the beginning and 142.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,462 INFO L158 Benchmark]: CodeCheck took 14275.27ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 142.1MB in the beginning and 112.4MB in the end (delta: 29.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,463 INFO L158 Benchmark]: Witness Printer took 109.06ms. Allocated memory is still 251.7MB. Free memory was 112.4MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:36:38,466 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, 34 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 781 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 714 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2957 IncrementalHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 431 mSolverCounterUnsat, 5 mSDtfsCounter, 2957 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 878 SyntacticMatches, 14 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20787 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 87.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.20ms. Allocated memory is still 209.7MB. Free memory was 171.5MB in the beginning and 161.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.04ms. Allocated memory is still 209.7MB. Free memory was 161.0MB in the beginning and 159.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.03ms. Allocated memory is still 209.7MB. Free memory was 159.7MB in the beginning and 158.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.31ms. Allocated memory is still 209.7MB. Free memory was 158.4MB in the beginning and 142.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14275.27ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 142.1MB in the beginning and 112.4MB in the end (delta: 29.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Witness Printer took 109.06ms. Allocated memory is still 251.7MB. Free memory was 112.4MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#a~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#a~0!base][~#a~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#a~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 03:36:38,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae539a9-a824-48fa-bfbe-53cf753e18d3/bin/ukojak-verify-Qdu7aM0XO9/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