./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:26:29,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:26:29,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:26:29,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:26:29,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:26:29,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:26:29,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:26:29,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:26:29,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:26:29,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:26:29,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:26:29,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:26:29,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:26:29,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:26:29,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:26:29,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:26:29,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:26:29,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:26:29,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:26:29,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:26:29,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:26:29,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:26:29,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:26:29,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:26:29,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:26:29,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:26:29,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:26:29,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:29,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:26:29,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:26:29,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:26:29,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:26:29,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:26:29,919 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_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf [2024-11-08 19:26:30,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:26:30,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:26:30,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:26:30,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:26:30,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:26:30,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i Unable to find full path for "g++" [2024-11-08 19:26:32,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:26:32,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:26:32,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-11-08 19:26:32,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/e46d4c47c/93ce5ce43eee47e5a0b7d2fc6fef7776/FLAG897d6a3bf [2024-11-08 19:26:33,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/e46d4c47c/93ce5ce43eee47e5a0b7d2fc6fef7776 [2024-11-08 19:26:33,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:26:33,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:26:33,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:33,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:26:33,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:26:33,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5748ef3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33, skipping insertion in model container [2024-11-08 19:26:33,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:26:33,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-11-08 19:26:33,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-11-08 19:26:33,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:33,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:26:33,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-11-08 19:26:33,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-11-08 19:26:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:33,451 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:26:33,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33 WrapperNode [2024-11-08 19:26:33,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:33,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:33,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:26:33,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:26:33,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,506 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-08 19:26:33,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:33,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:26:33,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:26:33,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:26:33,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:26:33,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:26:33,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:26:33,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:26:33,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:33" (1/1) ... [2024-11-08 19:26:33,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:33,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:26:33,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:26:33,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:26:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:26:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 19:26:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 19:26:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 19:26:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 19:26:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:26:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:26:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:26:33,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:26:33,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:26:34,069 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 19:26:34,070 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:26:34,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:26:34,166 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:26:34,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:34 BoogieIcfgContainer [2024-11-08 19:26:34,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:26:34,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:26:34,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:26:34,179 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:26:34,179 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:34" (1/1) ... [2024-11-08 19:26:34,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 19:26:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 19:26:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:26:34,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 19:26:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 19:26:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:26:34,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:34,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 19:26:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 19:26:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:26:34,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-08 19:26:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 19:26:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:26:35,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:26:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:44,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:26:44,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:27:01,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 19:27:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 19:27:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 19:27:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:27:05,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:27:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:11,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:27:11,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:27:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:21,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 19:27:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 19:27:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:27:21,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:21,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:21,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:21,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:21,947 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 19:27:21,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:21 ImpRootNode [2024-11-08 19:27:21,972 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:21,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:21,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:21,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:21,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:34" (3/4) ... [2024-11-08 19:27:21,977 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:21,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:21,984 INFO L158 Benchmark]: Toolchain (without parser) took 48959.35ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 120.2MB in the beginning and 71.3MB in the end (delta: 48.8MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,984 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:21,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.24ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 106.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.25ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 104.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,990 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,991 INFO L158 Benchmark]: RCFGBuilder took 626.51ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 84.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,991 INFO L158 Benchmark]: CodeCheck took 47804.93ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 84.0MB in the beginning and 72.3MB in the end (delta: 11.8MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2024-11-08 19:27:21,992 INFO L158 Benchmark]: Witness Printer took 9.05ms. Allocated memory is still 226.5MB. Free memory was 72.3MB in the beginning and 71.3MB in the end (delta: 962.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:21,995 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 47.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 21.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 30 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 335 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 14.1s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 41 ConstructedInterpolants, 4 QuantifiedInterpolants, 362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 6/9 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 - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 97. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L97] CALL, EXPR f(x) VAL [\old(x)=4] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L97] RET, EXPR f(x) VAL [IN=2, x=4] [L97] CALL, EXPR fp(x) VAL [\old(x)=4] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L97] RET, EXPR fp(x) VAL [IN=2, x=4] [L97] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.24ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 106.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.25ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 104.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.51ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 84.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 47804.93ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 84.0MB in the beginning and 72.3MB in the end (delta: 11.8MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Witness Printer took 9.05ms. Allocated memory is still 226.5MB. Free memory was 72.3MB in the beginning and 71.3MB in the end (delta: 962.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:22,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:24,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:24,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:27:24,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:24,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:24,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:24,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:24,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:24,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:24,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:24,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:27:24,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:27:24,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:24,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:24,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:24,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:24,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:27:24,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:27:24,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:24,635 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:27:24,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:27:24,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:24,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:24,637 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:24,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:24,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:24,638 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:24,638 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:27:24,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:24,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:24,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:24,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:24,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:24,641 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:27:24,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:24,641 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:27:24,642 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_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf [2024-11-08 19:27:25,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:25,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:25,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:25,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:25,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:25,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i Unable to find full path for "g++" [2024-11-08 19:27:27,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:27,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:27,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-11-08 19:27:27,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/5df8e032f/b1a77534fab54172b1e7c45374129d3e/FLAGfad92949d [2024-11-08 19:27:27,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/data/5df8e032f/b1a77534fab54172b1e7c45374129d3e [2024-11-08 19:27:27,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:27,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:27,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:27,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:27,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:27,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100d5e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27, skipping insertion in model container [2024-11-08 19:27:27,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:27,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-11-08 19:27:27,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-11-08 19:27:27,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:27,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:27,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-11-08 19:27:27,779 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-11-08 19:27:27,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:27,806 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:27,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27 WrapperNode [2024-11-08 19:27:27,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:27,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:27,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:27,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:27,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,868 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 19:27:27,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:27,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:27,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:27,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:27,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:27,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:27,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:27,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:27,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:27" (1/1) ... [2024-11-08 19:27:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:27,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:27,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:27,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:27:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 19:27:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 19:27:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 19:27:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 19:27:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:28,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:28,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:54,089 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:54,093 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:54,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:54,248 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:27:54,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:54 BoogieIcfgContainer [2024-11-08 19:27:54,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:54,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:54,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:54,260 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:54,260 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:54" (1/1) ... [2024-11-08 19:27:54,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 19:27:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 19:27:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:27:54,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:54,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:54,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:54,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:27:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:54,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:27:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:54,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:27:54,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:27:54,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:27:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 19:27:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 19:27:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:27:55,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:55,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:55,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:55,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:55,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:27:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:55,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:27:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:55,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:27:55,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:27:55,343 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:27:55,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:27:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 19:27:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 19:27:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:27:55,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:55,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:55,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:55,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:55,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:27:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:55,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:27:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:56,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:27:56,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:27:56,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:27:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-08 19:27:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 19:27:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:27:59,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:59,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:59,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:59,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:59,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:28:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:28:00,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:28:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:28:01,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:28:01,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:28:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:28:10,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:28:18,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:23,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:28:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 19:28:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 19:28:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:28:24,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:28:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:28:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:28:24,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:28:24,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:28:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:28:25,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:28:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:28:28,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:28:28,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:28:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:28:35,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:28:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:28:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 19:28:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 19:28:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:28:37,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:28:37,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:28:37,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:28:37,226 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:28:37,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e63c0f-db47-49ed-8759-bfb669436d3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process