./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2 --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 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:12,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:12,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:12,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:12,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:12,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:12,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:12,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:12,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:12,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:12,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:12,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:12,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:12,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:12,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:12,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:12,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:12,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:12,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:12,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:12,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:12,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:12,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:12,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:12,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:12,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:12,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:12,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:12,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:12,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:12,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:12,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:12,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:12,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:12,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:12,369 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_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a [2023-11-21 18:32:12,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:12,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:12,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:12,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:12,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:12,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-21 18:32:15,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:16,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:16,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-21 18:32:16,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/data/1c7fb5ec0/66dedbc5ced14ac491ffaea6e5c5d5c4/FLAG614ae46ce [2023-11-21 18:32:16,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/data/1c7fb5ec0/66dedbc5ced14ac491ffaea6e5c5d5c4 [2023-11-21 18:32:16,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:16,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:16,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:16,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:16,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:16,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461be1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16, skipping insertion in model container [2023-11-21 18:32:16,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:16,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:16,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:16,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:16,308 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:16,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16 WrapperNode [2023-11-21 18:32:16,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:16,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:16,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:16,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:16,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,344 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-21 18:32:16,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:16,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:16,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:16,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:16,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:16,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:16,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:16,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:16,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:16,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:16,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5dd7641-9167-4435-a2f7-0196ea4c0421/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:16,508 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:16,512 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:16,820 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:16,872 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:16,872 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:32:16,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:16 BoogieIcfgContainer [2023-11-21 18:32:16,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:16,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:16,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:16,889 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:16,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-21 18:32:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-21 18:32:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:16,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:16,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-21 18:32:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:32:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:17,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:32:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:32:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:32:17,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-21 18:32:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-21 18:32:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:32:17,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:32:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:32:17,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:32:17,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-21 18:32:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:32:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:32:17,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:32:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:32:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:32:17,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-21 18:32:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-21 18:32:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:18,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:18,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:18,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-21 18:32:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-21 18:32:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:18,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:18,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:18,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:18,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-21 18:32:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:32:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:32:18,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:18,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:18,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-21 18:32:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-21 18:32:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:32:19,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-21 18:32:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-21 18:32:20,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:20,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:20,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:20,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-21 18:32:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-21 18:32:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:32:20,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:20,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:20,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-21 18:32:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-21 18:32:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:21,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:21,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:21,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:21,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-21 18:32:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-21 18:32:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:21,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:21,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:21,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:21,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 96 states and 161 transitions. [2023-11-21 18:32:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2023-11-21 18:32:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:22,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 172 transitions. [2023-11-21 18:32:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 172 transitions. [2023-11-21 18:32:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:23,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:23,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:23,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 174 transitions. [2023-11-21 18:32:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2023-11-21 18:32:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:32:23,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:23,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:23,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 190 transitions. [2023-11-21 18:32:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2023-11-21 18:32:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:32:24,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:24,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:24,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:24,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 116 states and 201 transitions. [2023-11-21 18:32:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2023-11-21 18:32:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:32:24,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:25,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:25,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 119 states and 203 transitions. [2023-11-21 18:32:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2023-11-21 18:32:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:32:25,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:25,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:25,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:25,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 245 transitions. [2023-11-21 18:32:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-11-21 18:32:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:32:27,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 264 transitions. [2023-11-21 18:32:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2023-11-21 18:32:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:28,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:28,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:28,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 160 states and 276 transitions. [2023-11-21 18:32:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 276 transitions. [2023-11-21 18:32:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:29,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:29,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:29,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:29,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 278 transitions. [2023-11-21 18:32:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2023-11-21 18:32:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:30,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:30,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:30,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:30,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 166 states and 280 transitions. [2023-11-21 18:32:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 280 transitions. [2023-11-21 18:32:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:32:31,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 170 states and 299 transitions. [2023-11-21 18:32:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 299 transitions. [2023-11-21 18:32:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:32:31,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 177 states and 310 transitions. [2023-11-21 18:32:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 310 transitions. [2023-11-21 18:32:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:32:32,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:32,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 180 states and 312 transitions. [2023-11-21 18:32:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 312 transitions. [2023-11-21 18:32:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:32:33,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:33,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:33,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:32:33,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 190 states and 333 transitions. [2023-11-21 18:32:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 333 transitions. [2023-11-21 18:32:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:34,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:34,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:34,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 196 states and 345 transitions. [2023-11-21 18:32:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 345 transitions. [2023-11-21 18:32:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:35,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:35,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:35,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 199 states and 347 transitions. [2023-11-21 18:32:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 347 transitions. [2023-11-21 18:32:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:36,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:36,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:36,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 202 states and 350 transitions. [2023-11-21 18:32:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 350 transitions. [2023-11-21 18:32:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:37,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:37,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:37,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 205 states and 352 transitions. [2023-11-21 18:32:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 352 transitions. [2023-11-21 18:32:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:32:37,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:37,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:37,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 209 states and 372 transitions. [2023-11-21 18:32:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 372 transitions. [2023-11-21 18:32:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:32:38,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:38,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:38,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:32:38,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 220 states and 409 transitions. [2023-11-21 18:32:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 409 transitions. [2023-11-21 18:32:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:32:41,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:41,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:32:41,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 221 states and 410 transitions. [2023-11-21 18:32:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 410 transitions. [2023-11-21 18:32:42,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:32:42,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:42,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:42,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 240 states and 447 transitions. [2023-11-21 18:32:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 447 transitions. [2023-11-21 18:32:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:32:45,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 248 states and 464 transitions. [2023-11-21 18:32:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 464 transitions. [2023-11-21 18:32:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:32:48,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:48,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:48,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:48,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 254 states and 476 transitions. [2023-11-21 18:32:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 476 transitions. [2023-11-21 18:32:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:32:49,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 257 states and 480 transitions. [2023-11-21 18:32:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 480 transitions. [2023-11-21 18:32:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:32:51,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:51,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 259 states and 481 transitions. [2023-11-21 18:32:51,885 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 481 transitions. [2023-11-21 18:32:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:32:51,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:32:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 263 states and 508 transitions. [2023-11-21 18:32:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 508 transitions. [2023-11-21 18:32:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:32:52,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 283 states and 534 transitions. [2023-11-21 18:32:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 534 transitions. [2023-11-21 18:32:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:32:56,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 295 states and 562 transitions. [2023-11-21 18:32:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 562 transitions. [2023-11-21 18:32:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:32:59,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:59,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:59,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:32:59,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:33:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 301 states and 576 transitions. [2023-11-21 18:33:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 576 transitions. [2023-11-21 18:33:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:33:01,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:33:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 305 states and 605 transitions. [2023-11-21 18:33:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 605 transitions. [2023-11-21 18:33:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:33:02,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 313 states and 617 transitions. [2023-11-21 18:33:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 617 transitions. [2023-11-21 18:33:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:33:05,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:05,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:05,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:33:05,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 21 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 323 states and 645 transitions. [2023-11-21 18:33:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 645 transitions. [2023-11-21 18:33:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:33:08,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:08,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:33:08,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.