./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9 --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 e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:49:22,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:49:22,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:49:22,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:49:22,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:49:22,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:49:22,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:49:22,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:49:22,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:49:22,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:49:22,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:49:22,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:49:22,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:49:22,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:49:22,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:49:22,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:49:22,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:49:22,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:49:22,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:49:22,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:49:22,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:49:22,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:49:22,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:49:22,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:49:22,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:49:22,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:49:22,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:22,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:49:22,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:49:22,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:49:22,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:49:22,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:49:22,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:49:22,664 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2023-12-02 22:49:22,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:49:22,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:49:22,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:49:22,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:49:22,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:49:22,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2023-12-02 22:49:25,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:49:25,885 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:49:25,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2023-12-02 22:49:25,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/a97e91396/733b4861e8884d718b6e7d6e2dbf9cff/FLAG4ec9b6dc6 [2023-12-02 22:49:25,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/a97e91396/733b4861e8884d718b6e7d6e2dbf9cff [2023-12-02 22:49:25,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:49:25,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:49:25,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:25,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:49:25,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:49:25,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:25" (1/1) ... [2023-12-02 22:49:25,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e17ba1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:25, skipping insertion in model container [2023-12-02 22:49:25,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:25" (1/1) ... [2023-12-02 22:49:25,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:49:26,072 WARN L240 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2023-12-02 22:49:26,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:26,101 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:49:26,113 WARN L240 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2023-12-02 22:49:26,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:26,137 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:49:26,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26 WrapperNode [2023-12-02 22:49:26,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:26,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:26,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:49:26,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:49:26,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,170 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-12-02 22:49:26,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:26,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:49:26,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:49:26,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:49:26,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:49:26,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:49:26,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:49:26,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:49:26,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:26,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:49:26,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:49:26,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:49:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:49:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:49:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:49:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:49:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:49:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:49:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-12-02 22:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-12-02 22:49:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:49:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:49:26,355 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:49:26,357 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:49:26,509 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:49:26,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:49:26,535 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:49:26,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:26 BoogieIcfgContainer [2023-12-02 22:49:26,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:49:26,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:49:26,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:49:26,546 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:49:26,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:26" (1/1) ... [2023-12-02 22:49:26,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:49:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-02 22:49:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-02 22:49:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:49:26,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:26,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:26,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 22:49:26,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:26,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2023-12-02 22:49:26,999 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:49:27,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-12-02 22:49:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2023-12-02 22:49:27,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2023-12-02 22:49:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2023-12-02 22:49:27,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2023-12-02 22:49:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:27,168 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-12-02 22:49:27,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 22 [2023-12-02 22:49:27,191 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:49:27,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2023-12-02 22:49:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2023-12-02 22:49:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-02 22:49:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:49:27,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:28,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 95 conjunts are in the unsatisfiable core [2023-12-02 22:49:28,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:28,087 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:49:28,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-12-02 22:49:28,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 15 [2023-12-02 22:49:28,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2023-12-02 22:49:28,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 15 [2023-12-02 22:49:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,193 INFO L349 Elim1Store]: treesize reduction 73, result has 1.4 percent of original size [2023-12-02 22:49:28,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 15 [2023-12-02 22:49:28,218 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:49:28,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 100 [2023-12-02 22:49:28,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2023-12-02 22:49:28,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 15 [2023-12-02 22:49:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:28,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 43 [2023-12-02 22:49:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 63 transitions. [2023-12-02 22:49:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-02 22:49:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:49:31,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:32,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 22:49:32,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:32,079 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:49:32,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-12-02 22:49:32,159 INFO L349 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2023-12-02 22:49:32,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 115 [2023-12-02 22:49:32,167 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,169 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2023-12-02 22:49:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:32,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 97 [2023-12-02 22:49:32,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52 [2023-12-02 22:49:32,217 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,219 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2023-12-02 22:49:32,223 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 22:49:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:32,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2023-12-02 22:49:32,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2023-12-02 22:49:32,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2023-12-02 22:49:32,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 22:49:32,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 22:49:32,357 INFO L349 Elim1Store]: treesize reduction 111, result has 22.9 percent of original size [2023-12-02 22:49:32,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 127 [2023-12-02 22:49:32,431 INFO L349 Elim1Store]: treesize reduction 64, result has 29.7 percent of original size [2023-12-02 22:49:32,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 120 [2023-12-02 22:49:32,438 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,440 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2023-12-02 22:49:32,448 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:32,450 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2023-12-02 22:49:32,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2023-12-02 22:49:32,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 99 [2023-12-02 22:49:32,735 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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) [2023-12-02 22:49:32,740 INFO L158 Benchmark]: Toolchain (without parser) took 6828.63ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 107.6MB in the beginning and 124.3MB in the end (delta: -16.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-12-02 22:49:32,741 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:49:32,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.47ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 96.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:49:32,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:49:32,743 INFO L158 Benchmark]: Boogie Preprocessor took 25.00ms. Allocated memory is still 144.7MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:49:32,744 INFO L158 Benchmark]: RCFGBuilder took 340.23ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 79.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:49:32,744 INFO L158 Benchmark]: CodeCheck took 6201.70ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 79.2MB in the beginning and 124.3MB in the end (delta: -45.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-12-02 22:49:32,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.47ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 96.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.73ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.00ms. Allocated memory is still 144.7MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.23ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 79.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6201.70ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 79.2MB in the beginning and 124.3MB in the end (delta: -45.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:49:32,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9 --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 e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:49:34,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:49:34,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:49:34,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:49:34,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:49:34,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:49:34,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:49:34,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:49:34,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:49:34,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:49:34,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:49:34,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:49:34,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:49:34,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:49:34,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:49:34,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:49:34,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:49:34,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:49:34,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:49:34,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:49:34,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:49:34,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:49:34,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:49:34,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:49:34,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:49:34,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:34,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:49:34,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:49:34,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:34,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:49:34,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:49:34,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:49:34,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:49:34,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:34,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:49:34,910 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:49:34,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:49:34,911 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2023-12-02 22:49:35,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:49:35,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:49:35,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:49:35,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:49:35,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:49:35,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2023-12-02 22:49:38,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:49:38,247 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:49:38,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2023-12-02 22:49:38,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/1cb05db08/726826ed572b4a32a2c43465ba8045d9/FLAG1bd8014bb [2023-12-02 22:49:38,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/data/1cb05db08/726826ed572b4a32a2c43465ba8045d9 [2023-12-02 22:49:38,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:49:38,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:49:38,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:38,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:49:38,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:49:38,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e54c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38, skipping insertion in model container [2023-12-02 22:49:38,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:49:38,481 WARN L240 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2023-12-02 22:49:38,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:38,518 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:49:38,533 WARN L240 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_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2023-12-02 22:49:38,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:38,562 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:49:38,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38 WrapperNode [2023-12-02 22:49:38,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:38,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:38,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:49:38,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:49:38,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,607 INFO L138 Inliner]: procedures = 20, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2023-12-02 22:49:38,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:38,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:49:38,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:49:38,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:49:38,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:49:38,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:49:38,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:49:38,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:49:38,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:49:38,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:49:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:49:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:49:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:49:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:49:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-02 22:49:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 22:49:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:49:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:49:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-02 22:49:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-12-02 22:49:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-12-02 22:49:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:49:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:49:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 22:49:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:49:38,838 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:49:38,841 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:49:39,316 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:49:39,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:49:39,348 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:49:39,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:39 BoogieIcfgContainer [2023-12-02 22:49:39,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:49:39,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:49:39,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:49:39,362 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:49:39,362 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:39" (1/1) ... [2023-12-02 22:49:39,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:49:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-02 22:49:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-02 22:49:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:49:39,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:39,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:39,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:49:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:40,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:40,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 22:49:40,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:40,777 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2023-12-02 22:49:40,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2023-12-02 22:49:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2023-12-02 22:49:40,824 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 22:49:40,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-12-02 22:49:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:40,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2023-12-02 22:49:40,939 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:40,942 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2023-12-02 22:49:40,986 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2023-12-02 22:49:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2023-12-02 22:49:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2023-12-02 22:49:41,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2023-12-02 22:49:41,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2023-12-02 22:49:41,212 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:41,213 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-12-02 22:49:41,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2023-12-02 22:49:41,277 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2023-12-02 22:49:41,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2023-12-02 22:49:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2023-12-02 22:49:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:41,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:41,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 52 [2023-12-02 22:49:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:42,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:42,120 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:49:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2023-12-02 22:49:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-02 22:49:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:49:43,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:43,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:43,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:43,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:43,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:49:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:45,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:45,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 22:49:45,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:45,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:45,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:47,269 INFO L349 Elim1Store]: treesize reduction 228, result has 21.1 percent of original size [2023-12-02 22:49:47,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 170 treesize of output 373 [2023-12-02 22:49:47,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:47,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2023-12-02 22:49:47,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:47,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2023-12-02 22:49:47,602 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 22:49:47,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 85 [2023-12-02 22:49:48,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:48,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2023-12-02 22:49:48,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:48,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2023-12-02 22:49:48,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:48,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2023-12-02 22:49:49,182 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:49,186 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2023-12-02 22:49:49,827 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:49,830 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 433 [2023-12-02 22:49:51,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:51,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:51,421 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:51,487 INFO L224 Elim1Store]: Index analysis took 322 ms [2023-12-02 22:49:51,680 INFO L349 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2023-12-02 22:49:51,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 224 treesize of output 210 [2023-12-02 22:49:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:52,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:52,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:49:52,433 INFO L224 Elim1Store]: Index analysis took 103 ms [2023-12-02 22:49:52,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 340 treesize of output 295 [2023-12-02 22:49:53,445 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:53,446 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2023-12-02 22:49:53,634 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:53,635 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2023-12-02 22:49:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:53,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 200 [2023-12-02 22:49:53,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 5 [2023-12-02 22:49:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:49:56,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:49:56,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 435 treesize of output 143 [2023-12-02 22:50:06,990 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:50:17,443 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:50:17,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:50:17,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 242 treesize of output 160 [2023-12-02 22:50:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:50:17,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:50:24,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:50:40,434 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:50:51,372 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:51:01,720 WARN L293 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:51:12,328 WARN L293 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:51:22,844 WARN L293 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:51:33,493 WARN L293 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:51:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2023-12-02 22:51:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-12-02 22:51:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:51:36,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:36,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:36,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:36,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:36,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:51:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:36,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:51:47,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:51:47,128 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) 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) [2023-12-02 22:51:47,132 INFO L158 Benchmark]: Toolchain (without parser) took 128855.19ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 94.2MB in the beginning and 83.1MB in the end (delta: 11.1MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-12-02 22:51:47,132 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:47,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.28ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 82.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:51:47,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.52ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:47,134 INFO L158 Benchmark]: Boogie Preprocessor took 36.09ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:51:47,135 INFO L158 Benchmark]: RCFGBuilder took 704.73ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 62.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:51:47,135 INFO L158 Benchmark]: CodeCheck took 127780.32ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 62.0MB in the beginning and 83.1MB in the end (delta: -21.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-02 22:51:47,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.28ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 82.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.52ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.09ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 704.73ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 62.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 127780.32ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 62.0MB in the beginning and 83.1MB in the end (delta: -21.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:51:47,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0c4a2d-dbfc-4aa9-8329-3c3df53dd0c7/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown