./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2 --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 cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:39,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:39,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:39,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:39,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:39,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:39,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:39,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:39,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:39,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:39,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:39,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:39,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:39,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:39,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:39,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:39,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:39,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:39,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:39,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:39,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:39,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:39,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:39,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:39,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:39,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:39,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:39,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:39,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:39,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:39,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:39,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:39,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:39,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:39,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:39,653 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_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d [2023-11-21 18:32:39,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:39,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:39,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:39,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:39,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:39,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-21 18:32:43,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:43,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:43,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-21 18:32:43,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/data/4588cde9e/6c3fd3067f684b8baa2532faba925f3a/FLAGd3e166eff [2023-11-21 18:32:43,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/data/4588cde9e/6c3fd3067f684b8baa2532faba925f3a [2023-11-21 18:32:43,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:43,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:43,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:43,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:43,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:43,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ecfe0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43, skipping insertion in model container [2023-11-21 18:32:43,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:43,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:43,652 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:43,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:43,685 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:43,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43 WrapperNode [2023-11-21 18:32:43,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:43,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:43,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:43,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:43,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,722 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-21 18:32:43,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:43,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:43,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:43,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:43,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:43,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:43,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:43,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:43,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:43,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:43,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:43,909 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:43,911 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:44,071 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:44,109 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:44,110 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:32:44,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:44 BoogieIcfgContainer [2023-11-21 18:32:44,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:44,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:44,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:44,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:44,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:44" (1/1) ... [2023-11-21 18:32:44,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-21 18:32:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-21 18:32:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:44,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-21 18:32:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:32:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:44,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:32:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:32:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:32:44,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-21 18:32:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-21 18:32:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:32:44,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:32:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:32:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:32:44,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:44,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-21 18:32:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:32:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:32:44,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:44,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:32:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:32:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:32:45,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-21 18:32:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-21 18:32:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:45,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-21 18:32:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-21 18:32:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:45,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-21 18:32:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:32:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:32:45,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-21 18:32:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-21 18:32:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:32:46,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:46,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:46,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:46,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-21 18:32:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-21 18:32:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:47,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:47,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:47,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:47,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-21 18:32:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-21 18:32:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:32:47,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:47,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:47,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-21 18:32:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-21 18:32:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:48,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:48,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:48,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:48,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 141 transitions. [2023-11-21 18:32:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2023-11-21 18:32:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:49,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 96 states and 159 transitions. [2023-11-21 18:32:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2023-11-21 18:32:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:50,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:50,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:50,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 171 transitions. [2023-11-21 18:32:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 171 transitions. [2023-11-21 18:32:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:51,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 105 states and 173 transitions. [2023-11-21 18:32:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2023-11-21 18:32:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:51,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 175 transitions. [2023-11-21 18:32:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2023-11-21 18:32:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:52,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2023-11-21 18:32:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2023-11-21 18:32:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:32:52,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 191 transitions. [2023-11-21 18:32:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2023-11-21 18:32:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:32:53,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:53,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 209 transitions. [2023-11-21 18:32:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2023-11-21 18:32:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:32:54,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:54,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:54,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 241 transitions. [2023-11-21 18:32:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 241 transitions. [2023-11-21 18:32:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:56,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 154 states and 251 transitions. [2023-11-21 18:32:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 251 transitions. [2023-11-21 18:32:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:32:57,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 158 states and 268 transitions. [2023-11-21 18:32:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2023-11-21 18:32:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:32:57,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 168 states and 281 transitions. [2023-11-21 18:32:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 281 transitions. [2023-11-21 18:32:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:32:59,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:59,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:59,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:59,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 180 states and 305 transitions. [2023-11-21 18:33:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 305 transitions. [2023-11-21 18:33:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:00,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:00,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:00,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 186 states and 315 transitions. [2023-11-21 18:33:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 315 transitions. [2023-11-21 18:33:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:33:01,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 190 states and 334 transitions. [2023-11-21 18:33:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 334 transitions. [2023-11-21 18:33:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:33:02,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 200 states and 347 transitions. [2023-11-21 18:33:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 347 transitions. [2023-11-21 18:33:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:03,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:03,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:03,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 388 transitions. [2023-11-21 18:33:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 388 transitions. [2023-11-21 18:33:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:05,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:05,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:06,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:06,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 216 states and 395 transitions. [2023-11-21 18:33:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 395 transitions. [2023-11-21 18:33:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:07,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:07,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:07,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 220 states and 401 transitions. [2023-11-21 18:33:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 401 transitions. [2023-11-21 18:33:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:09,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:09,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 75 states and 96 transitions. [2023-11-21 18:33:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-21 18:33:10,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:33:10,280 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2023-11-21 18:33:10,290 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:33:10,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:33:10,685 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:33:10,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:10 ImpRootNode [2023-11-21 18:33:10,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:33:10,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:33:10,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:33:10,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:33:10,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:44" (3/4) ... [2023-11-21 18:33:10,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:33:10,693 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:33:10,697 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-21 18:33:10,698 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:33:10,698 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:33:10,698 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:33:10,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:33:10,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:33:10,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:33:10,794 INFO L158 Benchmark]: Toolchain (without parser) took 27402.09ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 97.1MB in the beginning and 91.7MB in the end (delta: 5.4MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,794 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:10,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.84ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 86.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.53ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 85.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,796 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.9MB in the end (delta: 985.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,797 INFO L158 Benchmark]: RCFGBuilder took 362.89ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 72.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,798 INFO L158 Benchmark]: CodeCheck took 26573.42ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 72.4MB in the beginning and 97.0MB in the end (delta: -24.6MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,798 INFO L158 Benchmark]: Witness Printer took 106.13ms. Allocated memory is still 293.6MB. Free memory was 97.0MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:33:10,801 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: 26.1s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5756 SdHoareTripleChecker+Valid, 23.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4807 mSDsluCounter, 4913 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3902 mSDsCounter, 3803 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15178 IncrementalHoareTripleChecker+Invalid, 18981 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3803 mSolverCounterUnsat, 1011 mSDtfsCounter, 15178 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10903 GetRequests, 10047 SyntacticMatches, 503 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75168 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1077 NumberOfCodeBlocks, 1077 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1044 ConstructedInterpolants, 0 QuantifiedInterpolants, 2970 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2569 ConjunctsInSsa, 209 ConjunctsInUnsatCore, 33 InterpolantComputations, 14 PerfectInterpolantSequences, 542/1477 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.84ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 86.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.53ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 85.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.9MB in the end (delta: 985.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.89ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 72.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 26573.42ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 72.4MB in the beginning and 97.0MB in the end (delta: -24.6MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * Witness Printer took 106.13ms. Allocated memory is still 293.6MB. Free memory was 97.0MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:33:10,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93490c77-4e24-4ac1-90ee-af11d8a34307/bin/ukojak-verify-i0I2FZA1j2/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