./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL --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 d205b4d392fcf6603d2c7a58c20f30b20ad63dac227f46def37edd46d8cc7990 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:32,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:32,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:32,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:32,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:32,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:32,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:32,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:32,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:32,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:32,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:32,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:32,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:32,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:32,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:32,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:32,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:32,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:32,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:32,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:32,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:32,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:32,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:32,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:32,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:32,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:32,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:32,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:32,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:32,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:32,677 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:32,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:32,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:32,678 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_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d205b4d392fcf6603d2c7a58c20f30b20ad63dac227f46def37edd46d8cc7990 [2023-11-19 03:03:32,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:32,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:32,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:32,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:32,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:32,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2023-11-19 03:03:36,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:36,353 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:36,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2023-11-19 03:03:36,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/data/29d2e02a4/bba1680ad84b4c7f978f83b838b57783/FLAG4f5f0a430 [2023-11-19 03:03:36,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/data/29d2e02a4/bba1680ad84b4c7f978f83b838b57783 [2023-11-19 03:03:36,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:36,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:36,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:36,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:36,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:36,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf528ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36, skipping insertion in model container [2023-11-19 03:03:36,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:36,624 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_be1c045e-5f54-4c64-b5a2-3a0541bc2288/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2023-11-19 03:03:36,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:36,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:36,701 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_be1c045e-5f54-4c64-b5a2-3a0541bc2288/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2023-11-19 03:03:36,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:36,744 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:36,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36 WrapperNode [2023-11-19 03:03:36,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:36,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:36,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:36,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:36,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,781 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-19 03:03:36,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:36,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:36,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:36,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:36,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:36,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:36,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:36,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:36,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:36,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:36,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:36,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:37,002 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:37,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:37,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:37,427 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:37,428 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:03:37,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:37 BoogieIcfgContainer [2023-11-19 03:03:37,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:37,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:37,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:37,448 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:37,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-19 03:03:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 03:03:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:03:37,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-19 03:03:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-19 03:03:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:03:37,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 03:03:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 03:03:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:37,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:48,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:03:58,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:03:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2023-11-19 03:03:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2023-11-19 03:03:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:58,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2023-11-19 03:04:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 03:04:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:04:00,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:00,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:04:00,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2023-11-19 03:04:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-11-19 03:04:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:04:01,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:04:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 21 states and 25 transitions. [2023-11-19 03:04:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-19 03:04:02,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:04:02,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:02,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:02,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:02,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 25 states and 32 transitions. [2023-11-19 03:04:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:04:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:04:04,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:04,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:04:04,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:15,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:04:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 23 states and 27 transitions. [2023-11-19 03:04:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-19 03:04:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:04:15,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:04:26,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:04:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 17 states and 19 transitions. [2023-11-19 03:04:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-19 03:04:26,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:04:26,377 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2023-11-19 03:04:26,387 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:04:26,614 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:26,620 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:26,620 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-11-19 03:04:26,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:04:26 ImpRootNode [2023-11-19 03:04:26,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:04:26,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:04:26,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:04:26,627 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:04:26,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:37" (3/4) ... [2023-11-19 03:04:26,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:04:26,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:04:26,641 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:04:26,642 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:04:26,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:04:26,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:04:26,815 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:04:26,816 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:04:26,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:04:26,817 INFO L158 Benchmark]: Toolchain (without parser) took 50437.66ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 128.5MB in the beginning and 130.6MB in the end (delta: -2.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,818 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:26,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.45ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 116.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.30ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 114.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:26,820 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 113.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,821 INFO L158 Benchmark]: RCFGBuilder took 613.94ms. Allocated memory is still 161.5MB. Free memory was 113.5MB in the beginning and 96.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,821 INFO L158 Benchmark]: CodeCheck took 49191.37ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 95.9MB in the beginning and 134.8MB in the end (delta: -38.9MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,822 INFO L158 Benchmark]: Witness Printer took 189.65ms. Allocated memory is still 209.7MB. Free memory was 134.8MB in the beginning and 130.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:04:26,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 553 SdHoareTripleChecker+Valid, 173.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 515 SdHoareTripleChecker+Invalid, 172.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 188 mSolverCounterUnsat, 327 mSDtfsCounter, 724 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1210 GetRequests, 1088 SyntacticMatches, 28 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3146 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 SizeOfPredicates, 8 NumberOfNonLiveVariables, 404 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 13/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((p == 0) && (h == 0)) && (0 < counter)) && (n == r)) || ((((p == 0) && (h == 0)) && (counter == 0)) && (n == r))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.45ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 116.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.30ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 114.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 113.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.94ms. Allocated memory is still 161.5MB. Free memory was 113.5MB in the beginning and 96.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 49191.37ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 95.9MB in the beginning and 134.8MB in the end (delta: -38.9MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 189.65ms. Allocated memory is still 209.7MB. Free memory was 134.8MB in the beginning and 130.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:04:26,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1c045e-5f54-4c64-b5a2-3a0541bc2288/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE