./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi --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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:12,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:12,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:05:12,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:12,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:13,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:13,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:13,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:13,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:13,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:13,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:13,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:13,064 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:13,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:13,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:13,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:13,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:13,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:13,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:13,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:13,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:13,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:13,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:13,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:13,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:13,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:13,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:13,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:13,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:13,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:13,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:13,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:13,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:13,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:13,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:13,109 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_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2023-11-24 23:05:13,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:13,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:13,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:13,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:13,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:13,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-11-24 23:05:16,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:17,209 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:17,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-11-24 23:05:17,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/data/4740b0aea/c33edb86d74844a69153f224a4c47ba5/FLAG787880231 [2023-11-24 23:05:17,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/data/4740b0aea/c33edb86d74844a69153f224a4c47ba5 [2023-11-24 23:05:17,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:17,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:17,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:17,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:17,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:17,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a06d6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17, skipping insertion in model container [2023-11-24 23:05:17,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:17,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:17,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:17,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:17,593 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:17,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17 WrapperNode [2023-11-24 23:05:17,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:17,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:17,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:17,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:17,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,643 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-24 23:05:17,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:17,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:17,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:17,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:17,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:17,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:17,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:17,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:17,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:17" (1/1) ... [2023-11-24 23:05:17,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:17,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:17,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:05:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:05:17,868 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:17,871 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:18,162 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:18,258 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:18,258 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:05:18,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:18 BoogieIcfgContainer [2023-11-24 23:05:18,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:18,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:18,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:18,273 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:18,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:18" (1/1) ... [2023-11-24 23:05:18,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 23:05:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:05:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:18,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-24 23:05:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-24 23:05:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:05:18,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:18,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-24 23:05:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-24 23:05:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:18,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-24 23:05:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-24 23:05:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:19,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:19,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:19,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-24 23:05:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-24 23:05:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:19,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:19,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:19,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-24 23:05:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-24 23:05:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:19,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:20,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-24 23:05:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-24 23:05:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:20,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:20,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:20,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2023-11-24 23:05:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2023-11-24 23:05:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:05:21,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:21,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:21,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2023-11-24 23:05:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-24 23:05:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:05:22,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:22,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:22,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:22,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:05:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 69 states and 120 transitions. [2023-11-24 23:05:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 120 transitions. [2023-11-24 23:05:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:05:23,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:23,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:23,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:23,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:05:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2023-11-24 23:05:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2023-11-24 23:05:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:05:23,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:23,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:23,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:05:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 121 transitions. [2023-11-24 23:05:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 121 transitions. [2023-11-24 23:05:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:05:24,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:24,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:05:24,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:05:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 70 states and 126 transitions. [2023-11-24 23:05:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 126 transitions. [2023-11-24 23:05:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:05:25,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:25,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:05:25,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:05:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 125 transitions. [2023-11-24 23:05:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2023-11-24 23:05:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:05:25,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:25,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:25,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-24 23:05:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 59 states and 97 transitions. [2023-11-24 23:05:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2023-11-24 23:05:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:05:26,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:26,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:05:26,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:05:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 56 states and 85 transitions. [2023-11-24 23:05:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-24 23:05:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:05:27,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:27,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:27,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:27,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:05:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 49 states and 73 transitions. [2023-11-24 23:05:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-11-24 23:05:27,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:05:27,611 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-24 23:05:27,631 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:05:27,761 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:27,766 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:27,766 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:27,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:27 ImpRootNode [2023-11-24 23:05:27,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:27,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:27,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:27,769 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:27,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:18" (3/4) ... [2023-11-24 23:05:27,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:05:27,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:05:27,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-24 23:05:27,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:05:27,784 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:05:27,784 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:05:27,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:05:27,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:05:27,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:27,917 INFO L158 Benchmark]: Toolchain (without parser) took 10666.58ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 141.3MB in the beginning and 86.4MB in the end (delta: 55.0MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,918 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 121.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:27,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.62ms. Allocated memory is still 169.9MB. Free memory was 141.3MB in the beginning and 130.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.08ms. Allocated memory is still 169.9MB. Free memory was 130.1MB in the beginning and 128.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,919 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 127.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:27,920 INFO L158 Benchmark]: RCFGBuilder took 585.51ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 130.7MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,920 INFO L158 Benchmark]: CodeCheck took 9506.56ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.7MB in the beginning and 91.5MB in the end (delta: 39.3MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,921 INFO L158 Benchmark]: Witness Printer took 148.58ms. Allocated memory is still 205.5MB. Free memory was 91.5MB in the beginning and 86.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:27,923 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1284 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 912 mSDsluCounter, 1452 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 764 mSDsCounter, 1208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3246 IncrementalHoareTripleChecker+Invalid, 4454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1208 mSolverCounterUnsat, 688 mSDtfsCounter, 3246 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3332 GetRequests, 2983 SyntacticMatches, 221 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8879 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 248/351 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 121.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.62ms. Allocated memory is still 169.9MB. Free memory was 141.3MB in the beginning and 130.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.08ms. Allocated memory is still 169.9MB. Free memory was 130.1MB in the beginning and 128.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 127.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.51ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 130.7MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 9506.56ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.7MB in the beginning and 91.5MB in the end (delta: 39.3MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * Witness Printer took 148.58ms. Allocated memory is still 205.5MB. Free memory was 91.5MB in the beginning and 86.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:05:27,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474b9438-bc8c-416f-9e89-338a0c47354e/bin/ukojak-verify-afCqCEvfdi/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