./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/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_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/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_4f07e893-d5e3-4770-8f60-470351aea184/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 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:43:53,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:43:54,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:43:54,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:43:54,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:43:54,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:43:54,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:43:54,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:43:54,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:43:54,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:43:54,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:43:54,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:43:54,097 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:43:54,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:43:54,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:43:54,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:43:54,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:43:54,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:43:54,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:43:54,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:43:54,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:43:54,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:43:54,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:43:54,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:43:54,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:43:54,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:43:54,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:54,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:43:54,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:43:54,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:43:54,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:43:54,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:43:54,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:43:54,112 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_4f07e893-d5e3-4770-8f60-470351aea184/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 [2023-11-19 02:43:54,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:43:54,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:43:54,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:43:54,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:43:54,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:43:54,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2023-11-19 02:43:57,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:43:57,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:43:57,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2023-11-19 02:43:57,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/data/2e57722b6/5287dcbdad4e47d0acd4b8d8dd037cb3/FLAG1993a5405 [2023-11-19 02:43:57,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/data/2e57722b6/5287dcbdad4e47d0acd4b8d8dd037cb3 [2023-11-19 02:43:57,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:43:57,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:43:57,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:57,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:43:57,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:43:57,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:57" (1/1) ... [2023-11-19 02:43:57,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fe6765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:57, skipping insertion in model container [2023-11-19 02:43:57,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:57" (1/1) ... [2023-11-19 02:43:57,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:43:57,918 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_4f07e893-d5e3-4770-8f60-470351aea184/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2023-11-19 02:43:57,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:57,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:43:57,976 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_4f07e893-d5e3-4770-8f60-470351aea184/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2023-11-19 02:43:57,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:58,010 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:43:58,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58 WrapperNode [2023-11-19 02:43:58,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:58,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:58,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:43:58,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:43:58,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,079 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2023-11-19 02:43:58,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:58,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:43:58,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:43:58,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:43:58,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:43:58,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:43:58,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:43:58,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:43:58,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:58,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:43:58,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:43:58,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f07e893-d5e3-4770-8f60-470351aea184/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:43:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:43:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:43:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:43:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:43:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:43:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:43:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:43:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:43:58,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:43:58,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:43:58,535 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:43:58,613 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:43:58,614 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:43:58,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:58 BoogieIcfgContainer [2023-11-19 02:43:58,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:43:58,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:43:58,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:43:58,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:43:58,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:58" (1/1) ... [2023-11-19 02:43:58,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:43:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-11-19 02:43:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 02:43:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:43:58,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:58,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:43:58,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:58,933 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 02:43:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 02:43:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 02:43:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:43:59,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:59,653 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 02:44:09,988 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 02:44:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 02:44:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 02:44:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:44:10,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2023-11-19 02:44:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2023-11-19 02:44:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:10,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2023-11-19 02:44:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-11-19 02:44:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:12,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:12,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:12,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:44:12,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2023-11-19 02:44:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2023-11-19 02:44:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:44:13,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:13,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:44:13,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2023-11-19 02:44:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2023-11-19 02:44:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:44:14,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:14,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:14,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:44:14,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2023-11-19 02:44:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2023-11-19 02:44:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:44:16,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:16,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:44:16,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2023-11-19 02:44:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2023-11-19 02:44:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:17,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:17,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:44:17,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:30,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 02:44:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 102 transitions. [2023-11-19 02:44:30,760 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 102 transitions. [2023-11-19 02:44:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:44:30,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 58 states and 107 transitions. [2023-11-19 02:44:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-19 02:44:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:44:32,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:43,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 02:44:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-19 02:44:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-19 02:44:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:44:44,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:44:44,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 02:44:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 119 transitions. [2023-11-19 02:44:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2023-11-19 02:44:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:44:45,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:44:45,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 122 transitions. [2023-11-19 02:44:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 122 transitions. [2023-11-19 02:44:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:44:59,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:44:59,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 02:44:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 123 transitions. [2023-11-19 02:44:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2023-11-19 02:44:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:44:59,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:44:59,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.