./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/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_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/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_2625d535-bacb-437c-96b4-7031bf2dfb92/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 a7443921b0608d3c2ff1c61e12bf7cf129e5c1aecf22f0fb9785817b90c162e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:51:07,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:51:07,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:51:07,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:51:07,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:51:07,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:51:07,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:51:07,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:51:07,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:51:07,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:51:07,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:51:07,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:51:07,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:51:07,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:51:07,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:51:07,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:51:07,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:51:07,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:51:07,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:51:07,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:51:07,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:51:07,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:51:07,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:51:07,411 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:51:07,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:51:07,412 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:51:07,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:51:07,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:51:07,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:51:07,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:51:07,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:51:07,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:51:07,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:51:07,420 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_2625d535-bacb-437c-96b4-7031bf2dfb92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7443921b0608d3c2ff1c61e12bf7cf129e5c1aecf22f0fb9785817b90c162e7 [2024-11-08 23:51:07,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:51:07,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:51:07,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:51:07,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:51:07,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:51:07,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_2_7.i Unable to find full path for "g++" [2024-11-08 23:51:09,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:51:10,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:51:10,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i [2024-11-08 23:51:10,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/262b636ac/9f5235a4205e44b9b07da114cd70b46b/FLAG969025d7b [2024-11-08 23:51:10,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/262b636ac/9f5235a4205e44b9b07da114cd70b46b [2024-11-08 23:51:10,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:51:10,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:51:10,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:51:10,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:51:10,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:51:10,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a8d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10, skipping insertion in model container [2024-11-08 23:51:10,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:51:10,688 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[1226,1239] [2024-11-08 23:51:10,719 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[2841,2854] [2024-11-08 23:51:10,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:51:10,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:51:10,747 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[1226,1239] [2024-11-08 23:51:10,759 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[2841,2854] [2024-11-08 23:51:10,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:51:10,780 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:51:10,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10 WrapperNode [2024-11-08 23:51:10,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:51:10,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:51:10,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:51:10,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:51:10,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,820 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 23:51:10,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:51:10,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:51:10,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:51:10,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:51:10,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:51:10,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:51:10,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:51:10,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:51:10,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:10" (1/1) ... [2024-11-08 23:51:10,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:51:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:51:10,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:51:10,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:51:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:51:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:51:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:51:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:51:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:51:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:51:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:51:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:51:11,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:51:11,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:51:11,264 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 23:51:11,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:51:11,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:51:11,323 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:51:11,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:51:11 BoogieIcfgContainer [2024-11-08 23:51:11,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:51:11,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:51:11,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:51:11,335 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:51:11,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:51:11" (1/1) ... [2024-11-08 23:51:11,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:51:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 23:51:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 23:51:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:51:11,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,858 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 23:51:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-08 23:51:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-08 23:51:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:51:12,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:12,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:12,116 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 23:51:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 23:51:12,180 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 23:51:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:51:12,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:12,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:51:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:12,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:51:12,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:30,371 WARN L873 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127)))))) is different from true [2024-11-08 23:51:30,762 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 23:52:34,550 WARN L286 SmtUtils]: Spent 40.94s on a formula simplification. DAG size of input: 47 DAG size of output: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:52:34,563 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127))))))) is different from false [2024-11-08 23:52:42,398 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-08 23:52:42,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2024-11-08 23:52:42,399 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-11-08 23:52:42,403 INFO L158 Benchmark]: Toolchain (without parser) took 91941.34ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 114.0MB in the beginning and 138.4MB in the end (delta: -24.4MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,404 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:42,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.04ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.42ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,406 INFO L158 Benchmark]: Boogie Preprocessor took 40.11ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,406 INFO L158 Benchmark]: RCFGBuilder took 460.63ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 79.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,407 INFO L158 Benchmark]: CodeCheck took 91077.58ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 79.2MB in the beginning and 138.4MB in the end (delta: -59.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-08 23:52:42,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.04ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.42ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.11ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.63ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 79.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 91077.58ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 79.2MB in the beginning and 138.4MB in the end (delta: -59.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/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_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/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_2625d535-bacb-437c-96b4-7031bf2dfb92/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 a7443921b0608d3c2ff1c61e12bf7cf129e5c1aecf22f0fb9785817b90c162e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:52:44,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:44,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:52:44,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:44,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:44,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:52:44,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:44,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:44,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:44,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:44,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:52:44,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:52:44,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:44,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:44,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:44,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:44,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:52:44,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:52:44,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:44,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:52:44,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:52:44,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:44,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:44,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:52:44,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:52:44,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:52:44,842 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:44,842 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:52:44,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:44,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:44,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:44,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:44,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:44,845 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:52:44,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:44,845 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:52:44,846 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_2625d535-bacb-437c-96b4-7031bf2dfb92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7443921b0608d3c2ff1c61e12bf7cf129e5c1aecf22f0fb9785817b90c162e7 [2024-11-08 23:52:45,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:45,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:45,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:45,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:45,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:45,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_2_7.i Unable to find full path for "g++" [2024-11-08 23:52:47,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:47,537 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:47,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i [2024-11-08 23:52:47,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/d88fe3086/8ee16ead28ef48f0951697b70ad06ca0/FLAGcb4fb3782 [2024-11-08 23:52:47,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/data/d88fe3086/8ee16ead28ef48f0951697b70ad06ca0 [2024-11-08 23:52:47,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:47,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:47,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:47,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:47,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:47,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f951fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47, skipping insertion in model container [2024-11-08 23:52:47,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:47,873 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[1226,1239] [2024-11-08 23:52:47,914 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[2841,2854] [2024-11-08 23:52:47,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:47,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:47,960 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[1226,1239] [2024-11-08 23:52:47,982 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_2625d535-bacb-437c-96b4-7031bf2dfb92/sv-benchmarks/c/combinations/gcd_3+newton_2_7.i[2841,2854] [2024-11-08 23:52:47,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:48,008 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:48,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48 WrapperNode [2024-11-08 23:52:48,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:48,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:48,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:48,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:48,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,071 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-08 23:52:48,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:48,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:48,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:48,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:48,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:48,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:48,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:48,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:48,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:48" (1/1) ... [2024-11-08 23:52:48,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:48,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:52:48,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:52:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:52:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:52:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:52:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:52:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:48,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:48,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:53:11,444 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 23:53:11,445 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:53:11,534 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:53:11,538 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:53:11,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:11 BoogieIcfgContainer [2024-11-08 23:53:11,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:53:11,540 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:53:11,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:53:11,564 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:53:11,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:11" (1/1) ... [2024-11-08 23:53:11,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:53:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 23:53:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 23:53:11,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:53:11,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:11,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:11,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:11,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:11,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:53:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:53:11,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:12,851 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 23:53:12,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:53:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-08 23:53:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-08 23:53:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:53:13,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:13,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:13,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:13,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:53:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:53:13,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:14,044 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 23:53:14,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:53:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 23:53:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 23:53:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:53:14,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:14,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:14,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:14,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:14,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:53:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:14,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:14,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:53:14,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:22,899 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 23:53:22,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:44,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:53:52,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:00,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:04,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-08 23:54:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 23:54:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:05,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:05,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:05,105 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:05,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:54:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:05,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:54:06,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:06,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:43,054 WARN L286 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:57:04,238 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:57:58,378 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:58:15,319 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:58:25,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:58:36,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:58:47,495 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse3))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse4)) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= (_ bv0 32) .cse4)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32))))) (not .cse2)))))) is different from false [2024-11-08 23:59:55,552 WARN L286 SmtUtils]: Spent 22.26s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:05,610 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse3))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse4)) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= (_ bv0 32) .cse4)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32))))) (not .cse2))))))) is different from true [2024-11-09 00:00:15,748 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))))))))))) is different from false [2024-11-09 00:01:23,079 WARN L286 SmtUtils]: Spent 21.49s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:33,135 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))))))))))))) is different from true [2024-11-09 00:01:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:33,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-09 00:01:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-09 00:01:33,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:33,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:33,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:33,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:33,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:33,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:01:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:33,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:34,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:01:34,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:43,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:01:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-09 00:01:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-09 00:01:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:43,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:43,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:43,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:43,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:43,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:01:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:44,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:44,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:01:44,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:55,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:01:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2024-11-09 00:01:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2024-11-09 00:01:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:55,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:55,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:55,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:55,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:55,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:01:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:55,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:56,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:01:56,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:06,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2024-11-09 00:02:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-09 00:02:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:02:06,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:06,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:06,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:06,075 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:06,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:02:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:06,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:07,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:02:07,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:18,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2024-11-09 00:02:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-09 00:02:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:02:18,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:18,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:18,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:18,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:02:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:19,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:20,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:02:20,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:08,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:03:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2024-11-09 00:03:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2024-11-09 00:03:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:29,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:29,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:03:29,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:03:29,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:03:29,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:03:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:29,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:03:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:30,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:03:30,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:40,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:03:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2024-11-09 00:03:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2024-11-09 00:03:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:40,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:03:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:03:40,525 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:03:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:03:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:40,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:03:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:41,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:03:41,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:23,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:04:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 99 transitions. [2024-11-09 00:04:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 99 transitions. [2024-11-09 00:04:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:04:23,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:23,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:23,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:04:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:04:24,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:35,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:04:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 99 transitions. [2024-11-09 00:04:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 99 transitions. [2024-11-09 00:04:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:04:35,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:35,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:35,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:35,336 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:35,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:04:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:35,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:36,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:04:36,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:47,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:04:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 99 transitions. [2024-11-09 00:04:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 99 transitions. [2024-11-09 00:04:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:04:47,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:47,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:47,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:47,216 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:47,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:04:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:47,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:49,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:04:49,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:05:01,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 99 transitions. [2024-11-09 00:05:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 99 transitions. [2024-11-09 00:05:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:05:01,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:01,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:01,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:01,497 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:01,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:05:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:01,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:02,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:05:02,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:05:12,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:05:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 99 transitions. [2024-11-09 00:05:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 99 transitions. [2024-11-09 00:05:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:05:12,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:12,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:12,243 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:12,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:05:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:12,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:13,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:05:13,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 46 states and 106 transitions. [2024-11-09 00:06:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 106 transitions. [2024-11-09 00:06:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:06:01,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:01,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:01,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:01,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:01,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:06:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:02,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:02,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:06:02,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:15,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:06:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 46 states and 106 transitions. [2024-11-09 00:06:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 106 transitions. [2024-11-09 00:06:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:06:15,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:15,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:15,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:15,548 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:15,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625d535-bacb-437c-96b4-7031bf2dfb92/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:06:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:15,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:16,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:06:16,934 INFO L278 TraceCheckSpWp]: Computing forward predicates...