./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL --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 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:29,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:29,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:43:29,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:29,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:29,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:29,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:29,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:29,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:29,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:29,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:29,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:29,919 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:29,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:29,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:29,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:29,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:29,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:29,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:29,923 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:43:29,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:29,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:29,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:29,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:29,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:29,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:29,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:29,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:29,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:29,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:29,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:29,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:29,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:29,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:29,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:29,932 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_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 [2023-11-19 03:43:30,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:30,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:30,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:30,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:30,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:30,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-19 03:43:33,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:33,598 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:33,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-19 03:43:33,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/data/60c690d9c/2b708e406a9e4bdc88d8a87eb6bbf2eb/FLAG835b37373 [2023-11-19 03:43:33,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/data/60c690d9c/2b708e406a9e4bdc88d8a87eb6bbf2eb [2023-11-19 03:43:33,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:33,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:33,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:33,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:33,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:33,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a32346d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33, skipping insertion in model container [2023-11-19 03:43:33,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:33,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:33,871 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:33,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:33,913 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:33,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33 WrapperNode [2023-11-19 03:43:33,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:33,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:33,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:33,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:33,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,971 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 189 [2023-11-19 03:43:33,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:33,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:33,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:33,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:33,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:34,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:34,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:34,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:34,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:34,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:34,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:34,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:34,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:34,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3734e3fe-4cc4-48a8-a7d2-8098531111e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:43:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:43:34,164 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:34,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:35,009 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:35,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:35,056 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:35,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:35 BoogieIcfgContainer [2023-11-19 03:43:35,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:35,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:35,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:35,083 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:35,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:35" (1/1) ... [2023-11-19 03:43:35,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-19 03:43:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-19 03:43:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:43:35,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-19 03:43:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-19 03:43:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:43:35,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-19 03:43:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-19 03:43:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:43:35,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-19 03:43:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-19 03:43:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:43:35,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-19 03:43:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-19 03:43:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:43:35,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 03:43:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 03:43:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:43:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-19 03:43:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-19 03:43:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:43:35,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 03:43:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 03:43:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:43:35,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:35,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:35,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:35,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-19 03:43:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-19 03:43:36,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:43:36,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-19 03:43:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-19 03:43:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:43:36,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 03:43:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 03:43:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:43:36,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-19 03:43:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-19 03:43:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:43:36,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-19 03:43:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-19 03:43:36,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:43:36,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-19 03:43:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-19 03:43:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:43:36,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-19 03:43:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-19 03:43:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:43:36,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-19 03:43:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-19 03:43:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:43:36,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 306 states and 321 transitions. [2023-11-19 03:43:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 321 transitions. [2023-11-19 03:43:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:43:36,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:36,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:36,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 316 states and 332 transitions. [2023-11-19 03:43:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2023-11-19 03:43:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:43:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:37,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:37,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:37,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 317 states and 333 transitions. [2023-11-19 03:43:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2023-11-19 03:43:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:43:37,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:37,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:43:37,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 340 states and 361 transitions. [2023-11-19 03:43:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 361 transitions. [2023-11-19 03:43:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:43:37,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:37,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:43:37,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 341 states and 362 transitions. [2023-11-19 03:43:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 362 transitions. [2023-11-19 03:43:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:43:37,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:37,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:37,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:37,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 366 states and 393 transitions. [2023-11-19 03:43:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 393 transitions. [2023-11-19 03:43:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:43:38,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:38,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:38,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 392 states and 425 transitions. [2023-11-19 03:43:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 425 transitions. [2023-11-19 03:43:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:43:38,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:38,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:38,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:38,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 395 states and 430 transitions. [2023-11-19 03:43:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 430 transitions. [2023-11-19 03:43:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:43:39,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:39,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:39,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 398 states and 434 transitions. [2023-11-19 03:43:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 434 transitions. [2023-11-19 03:43:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:43:39,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:39,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:39,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 403 states and 442 transitions. [2023-11-19 03:43:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 442 transitions. [2023-11-19 03:43:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:43:40,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:40,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:40,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 409 states and 451 transitions. [2023-11-19 03:43:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 451 transitions. [2023-11-19 03:43:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:43:41,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:41,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:41,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:43:41,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 416 states and 459 transitions. [2023-11-19 03:43:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 459 transitions. [2023-11-19 03:43:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:43:41,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:41,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:42,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:43:42,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 420 states and 464 transitions. [2023-11-19 03:43:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 464 transitions. [2023-11-19 03:43:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:43:42,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:42,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:42,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 422 states and 468 transitions. [2023-11-19 03:43:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 468 transitions. [2023-11-19 03:43:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:43:42,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:42,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:42,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:42,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 425 states and 473 transitions. [2023-11-19 03:43:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 473 transitions. [2023-11-19 03:43:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:43:43,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:43,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:43:43,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 429 states and 479 transitions. [2023-11-19 03:43:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 479 transitions. [2023-11-19 03:43:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:43:44,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:44,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:43:44,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 433 states and 484 transitions. [2023-11-19 03:43:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 484 transitions. [2023-11-19 03:43:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:43:45,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:45,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:45,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 435 states and 488 transitions. [2023-11-19 03:43:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 488 transitions. [2023-11-19 03:43:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:43:46,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:46,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:46,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:43:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 436 states and 490 transitions. [2023-11-19 03:43:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 490 transitions. [2023-11-19 03:43:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:43:48,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:48,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:48,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 435 states and 489 transitions. [2023-11-19 03:43:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 489 transitions. [2023-11-19 03:43:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:43:48,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:48,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:48,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 440 states and 498 transitions. [2023-11-19 03:43:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 498 transitions. [2023-11-19 03:43:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:43:50,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:50,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:50,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:50,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 446 states and 508 transitions. [2023-11-19 03:43:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 508 transitions. [2023-11-19 03:43:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:43:51,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:51,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:51,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 454 states and 521 transitions. [2023-11-19 03:43:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 521 transitions. [2023-11-19 03:43:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:43:53,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:53,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:43:53,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 463 states and 535 transitions. [2023-11-19 03:43:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 535 transitions. [2023-11-19 03:43:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:43:55,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:55,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:43:55,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 472 states and 549 transitions. [2023-11-19 03:43:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 549 transitions. [2023-11-19 03:43:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:43:57,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:57,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:57,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 474 states and 553 transitions. [2023-11-19 03:43:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 553 transitions. [2023-11-19 03:43:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:43:58,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:58,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:58,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 477 states and 558 transitions. [2023-11-19 03:43:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 558 transitions. [2023-11-19 03:43:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:43:59,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:43:59,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:43:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 481 states and 562 transitions. [2023-11-19 03:43:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 562 transitions. [2023-11-19 03:43:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:43:59,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:43:59,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:44:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 485 states and 567 transitions. [2023-11-19 03:44:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 567 transitions. [2023-11-19 03:44:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:44:00,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:00,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:44:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 486 states and 569 transitions. [2023-11-19 03:44:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 569 transitions. [2023-11-19 03:44:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:44:01,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:01,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:01,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:44:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 488 states and 572 transitions. [2023-11-19 03:44:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-19 03:44:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:44:01,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:01,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:01,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 521 states and 617 transitions. [2023-11-19 03:44:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 617 transitions. [2023-11-19 03:44:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:44:04,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:04,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:04,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 554 states and 661 transitions. [2023-11-19 03:44:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 661 transitions. [2023-11-19 03:44:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:44:07,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:07,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:07,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 574 states and 691 transitions. [2023-11-19 03:44:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 691 transitions. [2023-11-19 03:44:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:44:11,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:11,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:11,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:11,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 594 states and 720 transitions. [2023-11-19 03:44:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 720 transitions. [2023-11-19 03:44:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:44:15,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:15,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:15,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:44:15,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 614 states and 750 transitions. [2023-11-19 03:44:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 750 transitions. [2023-11-19 03:44:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:44:18,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:18,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:18,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:18,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 613 states and 749 transitions. [2023-11-19 03:44:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 749 transitions. [2023-11-19 03:44:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:44:19,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:19,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:44:19,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 635 states and 781 transitions. [2023-11-19 03:44:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 781 transitions. [2023-11-19 03:44:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:44:22,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:22,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:44:22,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 644 states and 795 transitions. [2023-11-19 03:44:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 795 transitions. [2023-11-19 03:44:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:44:24,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:24,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:44:24,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:44:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 651 states and 812 transitions. [2023-11-19 03:44:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 812 transitions. [2023-11-19 03:44:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:44:25,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:25,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:44:25,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.