./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC --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 32bit --witnessprinter.graph.data.programhash de6052d9944b0ce145148179524f90cfdb820a3940df4791211047874b65b687 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:43,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:43,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:43,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:43,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:43,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:43,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:43,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:43,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:43,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:43,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:43,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:43,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:43,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:43,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:43,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:43,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:43,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:43,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:43,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:43,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:43,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:43,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:43,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:43,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:43,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:43,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:43,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:43,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:43,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:43,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:43,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:43,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:43,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:43,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:43,545 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_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6052d9944b0ce145148179524f90cfdb820a3940df4791211047874b65b687 [2023-11-23 20:25:43,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:43,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:43,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:43,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:43,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:43,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c [2023-11-23 20:25:47,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:47,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:47,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c [2023-11-23 20:25:47,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/data/f9e5356db/e4a03074b17b46a2b2dbc96edcc0f98b/FLAGf560146ae [2023-11-23 20:25:47,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/data/f9e5356db/e4a03074b17b46a2b2dbc96edcc0f98b [2023-11-23 20:25:47,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:47,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:47,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:47,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:47,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:47,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525ab2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47, skipping insertion in model container [2023-11-23 20:25:47,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:47,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:47,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:47,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:47,787 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:47,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47 WrapperNode [2023-11-23 20:25:47,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:47,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:47,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:47,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:47,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,836 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-23 20:25:47,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:47,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:47,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:47,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:47,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:47,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:47,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:47,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:47,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:47" (1/1) ... [2023-11-23 20:25:47,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:47,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:47,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:48,095 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:48,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:48,341 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:48,377 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:48,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:25:48,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:48 BoogieIcfgContainer [2023-11-23 20:25:48,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:48,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:48,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:48,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:48,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:48" (1/1) ... [2023-11-23 20:25:48,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-23 20:25:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-23 20:25:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:25:48,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-23 20:25:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-23 20:25:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:25:48,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:48,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:25:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:25:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:25:48,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:48,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-23 20:25:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-23 20:25:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:49,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:25:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:25:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:49,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:49,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-23 20:25:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-23 20:25:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:49,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:49,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-23 20:25:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:25:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:25:49,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:49,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-23 20:25:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-23 20:25:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:50,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:50,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:50,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-23 20:25:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-23 20:25:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:50,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:50,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:50,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-23 20:25:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-23 20:25:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:50,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:50,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:50,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-23 20:25:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-23 20:25:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:51,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:51,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:51,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:51,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-23 20:25:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-23 20:25:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:25:52,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:52,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:52,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-23 20:25:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:25:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:25:53,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:53,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:53,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-23 20:25:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-23 20:25:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:25:53,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:53,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:53,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:53,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 84 states and 132 transitions. [2023-11-23 20:25:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2023-11-23 20:25:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:25:54,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:25:54,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 96 states and 159 transitions. [2023-11-23 20:25:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2023-11-23 20:25:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:25:55,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:55,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:55,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:55,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 159 transitions. [2023-11-23 20:25:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 159 transitions. [2023-11-23 20:25:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:25:56,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:56,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:56,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 38 states and 45 transitions. [2023-11-23 20:25:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-23 20:25:57,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:25:57,103 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-23 20:25:57,117 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:25:57,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:57,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:57,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:25:57 ImpRootNode [2023-11-23 20:25:57,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:25:57,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:25:57,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:25:57,338 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:25:57,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:48" (3/4) ... [2023-11-23 20:25:57,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:25:57,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:25:57,351 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 20:25:57,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:25:57,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:25:57,353 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:57,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:25:57,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:25:57,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:25:57,479 INFO L158 Benchmark]: Toolchain (without parser) took 9991.40ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 130.5MB in the beginning and 121.3MB in the end (delta: 9.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,479 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 93.9MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:57,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.65ms. Allocated memory is still 161.5MB. Free memory was 130.5MB in the beginning and 120.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.29ms. Allocated memory is still 161.5MB. Free memory was 120.0MB in the beginning and 118.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,480 INFO L158 Benchmark]: Boogie Preprocessor took 44.83ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:57,481 INFO L158 Benchmark]: RCFGBuilder took 496.66ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 105.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,481 INFO L158 Benchmark]: CodeCheck took 8955.77ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 105.6MB in the beginning and 125.4MB in the end (delta: -19.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,482 INFO L158 Benchmark]: Witness Printer took 140.30ms. Allocated memory is still 203.4MB. Free memory was 125.4MB in the beginning and 121.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,484 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 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1268 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 831 mSDsluCounter, 1057 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 648 mSDsCounter, 549 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2572 IncrementalHoareTripleChecker+Invalid, 3121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 549 mSolverCounterUnsat, 409 mSDtfsCounter, 2572 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2483 GetRequests, 2227 SyntacticMatches, 116 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10801 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 667 SizeOfPredicates, 20 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 50/101 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 93.9MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.65ms. Allocated memory is still 161.5MB. Free memory was 130.5MB in the beginning and 120.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.29ms. Allocated memory is still 161.5MB. Free memory was 120.0MB in the beginning and 118.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.83ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.66ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 105.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 8955.77ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 105.6MB in the beginning and 125.4MB in the end (delta: -19.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 140.30ms. Allocated memory is still 203.4MB. Free memory was 125.4MB in the beginning and 121.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:25:57,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ae3613-7428-40b2-af2c-4ccaeb337aee/bin/ukojak-verify-1t5iHCbJaC/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