./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/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_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 22:58:50,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:50,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:58:50,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:50,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:50,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:50,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:50,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:50,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:50,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:50,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:50,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:50,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:50,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:50,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:58:50,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:50,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:50,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:50,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:50,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:50,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:50,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:50,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:50,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:50,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:50,967 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:50,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:50,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 22:58:51,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:51,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:51,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:51,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:51,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:51,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:58:53,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:53,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:53,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2024-11-13 22:58:53,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/data/ea1f61ac5/99b092b6f1114b20ae1df57671237a8c/FLAGe6f63121c [2024-11-13 22:58:53,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/data/ea1f61ac5/99b092b6f1114b20ae1df57671237a8c [2024-11-13 22:58:53,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:53,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:53,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:53,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:53,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:53,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:53" (1/1) ... [2024-11-13 22:58:53,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d436d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:53, skipping insertion in model container [2024-11-13 22:58:53,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:53" (1/1) ... [2024-11-13 22:58:53,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:54,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2024-11-13 22:58:54,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:54,211 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:54,222 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2024-11-13 22:58:54,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:54,254 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:54,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54 WrapperNode [2024-11-13 22:58:54,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:54,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:54,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:54,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:54,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,289 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 22:58:54,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:54,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:54,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:54,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:54,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:54,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:54,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:54,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:54,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:54,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:54,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d5b1334-6749-4021-9802-87d1f9cd400a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:58:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:58:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:58:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:58:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:58:54,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:54,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:54,778 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:54,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:54,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:54,848 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:58:54,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:54 BoogieIcfgContainer [2024-11-13 22:58:54,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:54,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:54,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:54,861 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:54,861 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:54" (1/1) ... [2024-11-13 22:58:54,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 22:58:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 22:58:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:58:54,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:54,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:58:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 22:58:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 22:58:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:58:55,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:59:06,046 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 [] [2024-11-13 22:59:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 22:59:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 22:59:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:59:06,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:59:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-13 22:59:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-13 22:59:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:59:07,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:07,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:07,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:59:07,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:59:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-13 22:59:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-13 22:59:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:59:08,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:08,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:08,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:59:08,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:59:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 22:59:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 22:59:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:59:09,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:09,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:09,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:59:10,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:59:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-13 22:59:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-13 22:59:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:59:10,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:10,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:10,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:59:10,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:59:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-11-13 22:59:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-13 22:59:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:59:12,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:12,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:59:12,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:59:22,963 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 [] [2024-11-13 22:59:33,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:59:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2024-11-13 22:59:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-11-13 22:59:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:59:33,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:33,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:59:33,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:59:44,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:59:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-13 22:59:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-13 22:59:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:59:44,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:44,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:44,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:59:44,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:59:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2024-11-13 22:59:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2024-11-13 22:59:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:59:44,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:44,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:59:44,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 22:59:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 22:59:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 22:59:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:59:45,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:59:51,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:59:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 104 transitions. [2024-11-13 22:59:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2024-11-13 22:59:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:59:52,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:52,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:52,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:59:52,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 23:00:30,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:00:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 122 transitions. [2024-11-13 23:00:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2024-11-13 23:00:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 23:00:30,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:00:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 128 transitions. [2024-11-13 23:00:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2024-11-13 23:00:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:00:34,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:01:37,930 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:01:52,743 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:01:54,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:02:14,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:02:16,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:02:19,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:02:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 73 states and 151 transitions. [2024-11-13 23:02:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-11-13 23:02:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:02:21,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:02:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 75 states and 155 transitions. [2024-11-13 23:02:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2024-11-13 23:02:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:02:21,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:21,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:34,927 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:02:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:03:17,118 WARN L286 SmtUtils]: Spent 11.78s on a formula simplification. DAG size of input: 51 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:04:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 87 states and 179 transitions. [2024-11-13 23:04:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2024-11-13 23:04:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:04:00,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:00,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:04:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:00,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:04:00,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 23:04:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 92 states and 190 transitions. [2024-11-13 23:04:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 190 transitions. [2024-11-13 23:04:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:04:07,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:07,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:05:00,283 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 52 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:05:36,776 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 52 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:06:04,273 WARN L286 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:06:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 104 states and 212 transitions. [2024-11-13 23:06:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 212 transitions. [2024-11-13 23:06:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:06:27,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:27,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:06:57,214 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 67 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:07:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 107 states and 218 transitions. [2024-11-13 23:07:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 218 transitions. [2024-11-13 23:07:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:07:19,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:19,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:07:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:20,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:07:20,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 23:07:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 111 states and 227 transitions. [2024-11-13 23:07:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 227 transitions. [2024-11-13 23:07:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:07:35,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:08:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 123 states and 250 transitions. [2024-11-13 23:08:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 250 transitions. [2024-11-13 23:08:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:08:39,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:09:05,341 WARN L286 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 65 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:09:14,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:10:08,114 WARN L286 SmtUtils]: Spent 29.12s on a formula simplification. DAG size of input: 65 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:10:28,417 WARN L286 SmtUtils]: Spent 9.64s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:10:35,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:10:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 126 states and 258 transitions. [2024-11-13 23:10:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 258 transitions. [2024-11-13 23:10:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:10:45,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:10:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:46,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:10:46,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 23:10:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 128 states and 263 transitions. [2024-11-13 23:10:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 263 transitions. [2024-11-13 23:10:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:10:49,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:10:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:49,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:10:49,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 23:11:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 132 states and 273 transitions. [2024-11-13 23:11:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 273 transitions. [2024-11-13 23:11:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:11:18,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:12:13,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:12:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 291 transitions. [2024-11-13 23:12:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 291 transitions. [2024-11-13 23:12:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:12:15,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:12:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:12:38,852 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:13:23,346 WARN L286 SmtUtils]: Spent 12.65s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:13:49,391 WARN L286 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:13:59,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []