./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/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 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:34:37,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:34:37,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:34:37,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:34:37,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:34:37,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:34:37,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:34:37,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:34:37,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:34:37,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:34:37,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:34:37,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:34:37,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:34:37,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:34:37,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:34:37,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:34:37,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:34:37,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:34:37,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:34:37,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:34:37,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:34:37,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:34:37,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:37,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:34:37,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:34:37,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:34:37,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:34:37,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:34:37,883 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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/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 -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2024-11-13 21:34:38,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:34:38,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:34:38,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:34:38,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:34:38,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:34:38,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c Unable to find full path for "g++" [2024-11-13 21:34:40,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:40,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:40,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2024-11-13 21:34:40,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/data/27ddcf71f/b8275f2216d64e08b6463d69eb7ef41e/FLAG2dbcc9507 [2024-11-13 21:34:40,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/data/27ddcf71f/b8275f2216d64e08b6463d69eb7ef41e [2024-11-13 21:34:40,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:40,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:40,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:40,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:40,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:40,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67559c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40, skipping insertion in model container [2024-11-13 21:34:40,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:40,797 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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2024-11-13 21:34:40,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:40,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:40,861 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_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2024-11-13 21:34:40,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:40,895 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:40,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40 WrapperNode [2024-11-13 21:34:40,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:40,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:40,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:40,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:40,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,941 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 21:34:40,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:40,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:40,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:40,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:40,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:40,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:40,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:40,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:40,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:40" (1/1) ... [2024-11-13 21:34:40,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:41,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:41,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:41,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84ad2ea-5142-4e67-8fc0-b6ee0b2f5a07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:34:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:34:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:34:41,134 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:41,136 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:41,393 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:41,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:41,489 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:41,493 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:34:41,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:41 BoogieIcfgContainer [2024-11-13 21:34:41,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:41,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:41,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:41,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:41,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:41" (1/1) ... [2024-11-13 21:34:41,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:41,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:34:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:34:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:34:41,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:34:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:34:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:34:41,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:41,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 21:34:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 21:34:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:34:42,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 21:34:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 21:34:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:34:42,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:42,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 21:34:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 21:34:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:34:43,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:43,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:43,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:34:43,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:34:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 21:34:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 21:34:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:34:44,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:44,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:34:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 21:34:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 21:34:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:34:45,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:45,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:45,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:34:45,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:34:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-13 21:34:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-13 21:34:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:34:47,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:34:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2024-11-13 21:34:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2024-11-13 21:34:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:34:48,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:34:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 120 transitions. [2024-11-13 21:34:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 120 transitions. [2024-11-13 21:34:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:34:59,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:35:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 128 transitions. [2024-11-13 21:35:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2024-11-13 21:35:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:35:01,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:01,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:01,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:01,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:35:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 67 states and 145 transitions. [2024-11-13 21:35:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-11-13 21:35:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:35:08,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:08,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:08,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:08,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:35:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 154 transitions. [2024-11-13 21:35:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-13 21:35:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:35:11,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:11,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:35:11,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:35:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 165 transitions. [2024-11-13 21:35:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 165 transitions. [2024-11-13 21:35:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:35:12,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:12,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:35:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 182 transitions. [2024-11-13 21:35:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 182 transitions. [2024-11-13 21:35:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:35:16,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:35:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 196 transitions. [2024-11-13 21:35:22,608 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 196 transitions. [2024-11-13 21:35:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:35:22,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:22,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:35:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 91 states and 218 transitions. [2024-11-13 21:35:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 218 transitions. [2024-11-13 21:35:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:33,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:33,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:33,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:35:33,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:35:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 97 states and 237 transitions. [2024-11-13 21:35:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 237 transitions. [2024-11-13 21:35:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:37,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:35:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 101 states and 253 transitions. [2024-11-13 21:35:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 253 transitions. [2024-11-13 21:35:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:40,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:40,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:35:40,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:09,109 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:37:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:38:43,331 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:06,707 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:16,952 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:29,484 WARN L286 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:49,213 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:40:21,422 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:40:31,732 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:40:44,274 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:41:26,259 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:41:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 113 states and 285 transitions. [2024-11-13 21:41:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 285 transitions. [2024-11-13 21:41:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:26,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:26,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 114 states and 287 transitions. [2024-11-13 21:41:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 287 transitions. [2024-11-13 21:41:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:27,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 116 states and 291 transitions. [2024-11-13 21:41:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 291 transitions. [2024-11-13 21:41:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:51,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 118 states and 296 transitions. [2024-11-13 21:41:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 296 transitions. [2024-11-13 21:41:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:53,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:53,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:54,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:41:54,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:42:32,174 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:15,085 WARN L286 SmtUtils]: Spent 21.89s on a formula simplification. DAG size of input: 28 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:36,533 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:44:37,612 WARN L286 SmtUtils]: Spent 30.27s on a formula simplification. DAG size of input: 28 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:45:32,762 WARN L286 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:45:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 122 states and 305 transitions. [2024-11-13 21:45:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 305 transitions. [2024-11-13 21:45:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:45:33,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:45:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 124 states and 318 transitions. [2024-11-13 21:45:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 318 transitions. [2024-11-13 21:45:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:45:37,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:37,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:46:36,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:46:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 125 states and 323 transitions. [2024-11-13 21:46:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 323 transitions. [2024-11-13 21:46:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:46:37,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:47:01,333 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:47:16,090 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:47:30,023 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:47:55,000 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:48:06,396 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:48:25,412 WARN L286 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:48:31,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:48:41,468 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 [0] [2024-11-13 21:48:54,625 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:49:22,615 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:49:36,327 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)