./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b --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 a8b52922fdfe93dd417523e4e63c80c50c6631dbe5ff22aa1a5e25c09a617278 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:53:42,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:53:42,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:53:42,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:53:42,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:53:42,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:53:42,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:53:42,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:53:42,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:53:42,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:53:42,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:53:42,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:53:42,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:53:42,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:42,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:53:42,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:53:42,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:53:42,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:53:42,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:53:42,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b 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 -> a8b52922fdfe93dd417523e4e63c80c50c6631dbe5ff22aa1a5e25c09a617278 [2024-12-06 01:53:43,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:53:43,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:53:43,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:53:43,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:53:43,083 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:53:43,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_3.i [2024-12-06 01:53:45,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/edfc9b175/17d8cf7abed6478b9538728d9473197a/FLAG6a2f92fd8 [2024-12-06 01:53:45,945 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:53:45,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i [2024-12-06 01:53:45,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/edfc9b175/17d8cf7abed6478b9538728d9473197a/FLAG6a2f92fd8 [2024-12-06 01:53:45,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/edfc9b175/17d8cf7abed6478b9538728d9473197a [2024-12-06 01:53:45,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:53:45,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:53:45,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:45,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:53:45,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:53:45,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:45" (1/1) ... [2024-12-06 01:53:45,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1558e533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:45, skipping insertion in model container [2024-12-06 01:53:45,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:45" (1/1) ... [2024-12-06 01:53:45,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:53:46,107 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[1224,1237] [2024-12-06 01:53:46,130 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[2827,2840] [2024-12-06 01:53:46,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:46,140 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:53:46,149 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[1224,1237] [2024-12-06 01:53:46,159 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[2827,2840] [2024-12-06 01:53:46,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:46,173 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:53:46,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46 WrapperNode [2024-12-06 01:53:46,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:46,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:46,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:53:46,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:53:46,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,202 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-12-06 01:53:46,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:46,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:53:46,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:53:46,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:53:46,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:53:46,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:53:46,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:53:46,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:53:46,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:46,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:53:46,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:53:46,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:53:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:53:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:53:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:53:46,322 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:53:46,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:53:46,496 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 01:53:46,496 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:53:46,546 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:53:46,546 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:53:46,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:46 BoogieIcfgContainer [2024-12-06 01:53:46,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:53:46,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:53:46,547 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:53:46,557 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:53:46,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:46" (1/1) ... [2024-12-06 01:53:46,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:53:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:53:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:53:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:53:46,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:46,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:53:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:53:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:53:46,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:53:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:53:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:53:47,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-12-06 01:53:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-12-06 01:53:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:53:47,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-12-06 01:53:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-12-06 01:53:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:53:47,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 01:53:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 01:53:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:48,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 01:53:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 01:53:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:49,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-12-06 01:53:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-12-06 01:53:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:49,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:49,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-12-06 01:53:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-12-06 01:53:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:49,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:49,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:53:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:49,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:53:49,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-12-06 01:53:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-12-06 01:53:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:51,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:51,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:53:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:51,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:53:51,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:53:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:53:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:53:52,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:52,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:52,095 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:53:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:52,132 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:53:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:52,151 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 01:53:52,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:53:52 ImpRootNode [2024-12-06 01:53:52,172 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:53:52,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:53:52,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:53:52,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:53:52,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:46" (3/4) ... [2024-12-06 01:53:52,175 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:53:52,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:53:52,177 INFO L158 Benchmark]: Toolchain (without parser) took 6198.96ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 117.8MB in the beginning and 160.0MB in the end (delta: -42.2MB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2024-12-06 01:53:52,177 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:52,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.87ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:53:52,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.55ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:52,178 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 987.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:53:52,178 INFO L158 Benchmark]: RCFGBuilder took 322.45ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 86.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:53:52,179 INFO L158 Benchmark]: CodeCheck took 5625.35ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 86.7MB in the beginning and 161.4MB in the end (delta: -74.8MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-12-06 01:53:52,179 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 310.4MB. Free memory was 161.4MB in the beginning and 160.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:52,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1391 IncrementalHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 485 mSolverCounterUnsat, 98 mSDtfsCounter, 1391 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1301 GetRequests, 1165 SyntacticMatches, 22 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6297 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/70 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.87ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.55ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 987.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 322.45ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 86.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5625.35ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 86.7MB in the beginning and 161.4MB in the end (delta: -74.8MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 310.4MB. Free memory was 161.4MB in the beginning and 160.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:53:52,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b --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 a8b52922fdfe93dd417523e4e63c80c50c6631dbe5ff22aa1a5e25c09a617278 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:53:54,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:53:54,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:53:54,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:53:54,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:53:54,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:53:54,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:53:54,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:53:54,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:53:54,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:53:54,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:53:54,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:54,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:53:54,233 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:53:54,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:54,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:53:54,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b 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 -> a8b52922fdfe93dd417523e4e63c80c50c6631dbe5ff22aa1a5e25c09a617278 [2024-12-06 01:53:54,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:53:54,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:53:54,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:53:54,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:53:54,467 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:53:54,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_3.i [2024-12-06 01:53:57,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/e0e0824c1/c6db17af0aeb4ba184b2bbbc87a215ba/FLAGd4d3d5416 [2024-12-06 01:53:57,334 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:53:57,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i [2024-12-06 01:53:57,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/e0e0824c1/c6db17af0aeb4ba184b2bbbc87a215ba/FLAGd4d3d5416 [2024-12-06 01:53:57,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/data/e0e0824c1/c6db17af0aeb4ba184b2bbbc87a215ba [2024-12-06 01:53:57,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:53:57,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:53:57,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:57,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:53:57,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:53:57,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a92a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57, skipping insertion in model container [2024-12-06 01:53:57,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:53:57,841 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[1224,1237] [2024-12-06 01:53:57,865 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[2827,2840] [2024-12-06 01:53:57,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:57,876 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:53:57,886 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[1224,1237] [2024-12-06 01:53:57,896 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_00186c81-d073-41c1-b36d-1bb6e5c631a4/sv-benchmarks/c/combinations/gcd_4+newton_2_3.i[2827,2840] [2024-12-06 01:53:57,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:57,909 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:53:57,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57 WrapperNode [2024-12-06 01:53:57,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:57,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:57,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:53:57,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:53:57,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,939 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-12-06 01:53:57,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:57,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:53:57,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:53:57,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:53:57,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:53:57,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:53:57,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:53:57,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:53:57,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:57" (1/1) ... [2024-12-06 01:53:57,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:53:57,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:53:57,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:53:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:53:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:53:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:53:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:53:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:53:58,076 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:53:58,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:54:22,443 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 01:54:22,444 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:54:22,511 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:54:22,511 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:54:22,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:22 BoogieIcfgContainer [2024-12-06 01:54:22,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:54:22,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:54:22,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:54:22,522 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:54:22,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:22" (1/1) ... [2024-12-06 01:54:22,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:54:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:54:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:54:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:54:22,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:22,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:22,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:22,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:22,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:54:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:22,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:22,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:54:22,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:22,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:54:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:54:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:54:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:54:23,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:23,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:23,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:23,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:23,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:54:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:23,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:23,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:54:23,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:23,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:54:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:54:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:54:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:54:23,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:23,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:23,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:23,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:54:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:24,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:24,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:54:24,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:24,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:54:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-12-06 01:54:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-06 01:54:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:54:24,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:24,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:24,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:24,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:24,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:54:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:24,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:24,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:54:24,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:25,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:54:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-12-06 01:54:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-06 01:54:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:54:25,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:25,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:25,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:25,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:25,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:54:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:25,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:25,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:54:25,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:26,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:54:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-12-06 01:54:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-06 01:54:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:54:26,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:26,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:26,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:26,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:54:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:26,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:27,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:54:27,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:27,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:54:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-12-06 01:54:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-12-06 01:54:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:54:28,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:28,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:28,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:28,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:54:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:29,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:29,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:54:29,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:31,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:54:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:54:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:54:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:54:39,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:39,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:39,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:39,161 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:39,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00186c81-d073-41c1-b36d-1bb6e5c631a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process