./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi --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 ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:58,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:58,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:58,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:58,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:58,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:58,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:58,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:58,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:58,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:58,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:58,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:58,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:58,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:58,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:58,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:58,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:58,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:58,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:58,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:58,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:58,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:58,710 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:58,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:58,711 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:58,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:58,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:58,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:58,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:58,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:58,715 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:58,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:58,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:58,717 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_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca [2023-11-24 23:05:58,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:59,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:59,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:59,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:59,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:59,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2023-11-24 23:06:02,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:02,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:02,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2023-11-24 23:06:02,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/data/c3ce42d4b/645e0291622c4f52b579d8f6dfd91bd0/FLAG03b7f1175 [2023-11-24 23:06:02,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/data/c3ce42d4b/645e0291622c4f52b579d8f6dfd91bd0 [2023-11-24 23:06:02,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:02,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:02,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:02,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:02,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:02,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239aba9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02, skipping insertion in model container [2023-11-24 23:06:02,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:02,682 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_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2023-11-24 23:06:02,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:02,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:02,738 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_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2023-11-24 23:06:02,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:02,774 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:02,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02 WrapperNode [2023-11-24 23:06:02,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:02,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:02,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:02,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:02,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,815 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-24 23:06:02,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:02,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:02,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:02,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:02,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:02,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:02,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:02,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:02,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:02" (1/1) ... [2023-11-24 23:06:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:02,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:02,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dc94ad3-8d4b-4e4b-b558-3368a9ba4b6f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:06:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:06:03,041 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:03,043 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:03,326 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:03,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:03,409 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:03,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:03 BoogieIcfgContainer [2023-11-24 23:06:03,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:03,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:03,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:03,422 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:03,422 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:03" (1/1) ... [2023-11-24 23:06:03,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-24 23:06:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 23:06:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:03,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:03,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-24 23:06:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-24 23:06:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:03,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:03,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-11-24 23:06:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-11-24 23:06:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:03,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:03,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2023-11-24 23:06:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-24 23:06:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:07,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 23:06:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-11-24 23:06:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-11-24 23:06:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:06:07,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:07,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2023-11-24 23:06:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2023-11-24 23:06:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:08,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:08,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:06:08,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:06:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-24 23:06:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-24 23:06:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:10,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2023-11-24 23:06:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-24 23:06:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:12,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:12,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:06:12,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:23,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:06:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2023-11-24 23:06:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2023-11-24 23:06:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:24,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:06:24,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:25,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:06:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:25,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2023-11-24 23:06:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2023-11-24 23:06:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:25,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:25,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:06:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2023-11-24 23:06:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2023-11-24 23:06:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:26,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:06:26,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:06:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2023-11-24 23:06:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-11-24 23:06:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:29,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:29,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:29,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:06:29,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2023-11-24 23:06:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-24 23:06:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:49,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:49,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:49,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:06:49,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:06:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2023-11-24 23:06:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2023-11-24 23:06:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:50,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:50,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:50,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:06:50,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2023-11-24 23:06:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2023-11-24 23:06:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:06:51,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:51,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:51,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:06:51,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.