./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:46,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:47,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:47,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:47,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:47,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:47,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:47,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:47,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:47,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:47,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:47,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:47,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:47,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:47,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:47,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:47,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:47,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:47,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:47,109 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:47,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:47,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:47,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:47,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:47,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:47,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:47,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:47,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:47,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:47,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:47,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:47,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:47,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:47,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:47,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:47,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2023-11-23 20:28:47,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:47,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:47,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:47,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:47,482 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:47,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-23 20:28:50,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:50,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:50,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-23 20:28:50,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/data/c6a62a4b1/d7518904850b4e3c92fa7b24d09d7e72/FLAGbf752aeba [2023-11-23 20:28:50,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/data/c6a62a4b1/d7518904850b4e3c92fa7b24d09d7e72 [2023-11-23 20:28:50,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:50,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:50,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:50,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:50,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:50,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:50" (1/1) ... [2023-11-23 20:28:50,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596db497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:50, skipping insertion in model container [2023-11-23 20:28:50,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:50" (1/1) ... [2023-11-23 20:28:50,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:51,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:51,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:51,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:51,192 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:51,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51 WrapperNode [2023-11-23 20:28:51,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:51,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:51,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:51,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:51,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,256 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:28:51,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:51,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:51,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:51,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:51,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:51,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:51,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:51,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:51,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:51,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:51,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0aaf137-4897-4b03-b841-69d65d0c73c1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:51,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:51,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:51,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:51,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:51,815 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:28:51,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:51 BoogieIcfgContainer [2023-11-23 20:28:51,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:51,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:51,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:51,831 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:51,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:51" (1/1) ... [2023-11-23 20:28:51,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:28:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:28:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:28:51,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:51,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:28:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:28:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:52,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:28:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:28:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:28:52,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:28:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:28:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:52,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:52,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:28:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:28:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:52,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:52,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 20:28:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 20:28:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:53,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:53,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:53,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 20:28:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:28:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:53,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:53,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:53,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 20:28:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 20:28:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:54,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:54,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:54,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 20:28:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 20:28:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:28:55,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:55,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:55,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 20:28:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 20:28:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:28:56,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:56,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 20:28:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 20:28:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:28:57,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:57,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:57,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 20:28:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 20:28:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:58,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:58,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:58,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:58,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:58,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-23 20:28:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-23 20:28:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:58,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:58,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:58,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-23 20:28:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-23 20:28:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:59,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:59,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:59,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-23 20:29:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-23 20:29:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:29:00,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:00,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:00,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:00,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-23 20:29:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-23 20:29:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:29:00,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:01,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:01,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-23 20:29:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-23 20:29:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:29:03,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:03,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:03,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2023-11-23 20:29:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2023-11-23 20:29:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:29:05,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:05,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:05,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:05,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2023-11-23 20:29:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2023-11-23 20:29:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:29:07,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:07,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:07,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 191 states and 356 transitions. [2023-11-23 20:29:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 356 transitions. [2023-11-23 20:29:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:29:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:09,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:09,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 201 states and 381 transitions. [2023-11-23 20:29:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 381 transitions. [2023-11-23 20:29:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:29:11,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:11,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:11,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 212 states and 407 transitions. [2023-11-23 20:29:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 407 transitions. [2023-11-23 20:29:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:29:14,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:14,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:14,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 223 states and 435 transitions. [2023-11-23 20:29:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 435 transitions. [2023-11-23 20:29:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:29:17,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:17,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:17,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:17,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 231 states and 462 transitions. [2023-11-23 20:29:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 462 transitions. [2023-11-23 20:29:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:19,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:19,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:19,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2023-11-23 20:29:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2023-11-23 20:29:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:20,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:20,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:20,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 251 states and 512 transitions. [2023-11-23 20:29:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 512 transitions. [2023-11-23 20:29:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:29:25,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:25,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:25,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 252 states and 513 transitions. [2023-11-23 20:29:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 513 transitions. [2023-11-23 20:29:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:29:25,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:25,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:25,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 260 states and 533 transitions. [2023-11-23 20:29:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 533 transitions. [2023-11-23 20:29:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:29:26,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:27,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:27,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 271 states and 558 transitions. [2023-11-23 20:29:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 558 transitions. [2023-11-23 20:29:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:29:29,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:29,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:29,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:29,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 288 states and 593 transitions. [2023-11-23 20:29:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 593 transitions. [2023-11-23 20:29:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:29:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:34,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:34,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 294 states and 600 transitions. [2023-11-23 20:29:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 600 transitions. [2023-11-23 20:29:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:29:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:35,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:35,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 308 states and 640 transitions. [2023-11-23 20:29:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 640 transitions. [2023-11-23 20:29:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:29:39,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:39,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 319 states and 727 transitions. [2023-11-23 20:29:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 727 transitions. [2023-11-23 20:29:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:29:41,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:41,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 324 states and 745 transitions. [2023-11-23 20:29:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 745 transitions. [2023-11-23 20:29:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:29:43,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:43,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:43,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:43,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.