./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/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_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/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_dc1df45c-c773-4f29-a6f3-982cc56a5945/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 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:11,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:11,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:11,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:11,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:11,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:11,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:11,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:11,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:11,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:11,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:11,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:11,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:11,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:11,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:11,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:11,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:11,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:11,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:11,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:11,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:11,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:11,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:11,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:11,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:11,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:11,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:11,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:11,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:11,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:11,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:11,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:11,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:11,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:11,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:11,868 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_dc1df45c-c773-4f29-a6f3-982cc56a5945/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f [2023-11-21 18:25:12,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/bresenham-ll.c [2023-11-21 18:25:15,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:15,600 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:15,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2023-11-21 18:25:15,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/data/91abe03d5/70a7087f14e8451f9584e047128f8407/FLAG752a8b5c1 [2023-11-21 18:25:15,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/data/91abe03d5/70a7087f14e8451f9584e047128f8407 [2023-11-21 18:25:15,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:15,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:15,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:15,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:15,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af6b172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15, skipping insertion in model container [2023-11-21 18:25:15,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:15,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,887 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:15,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,925 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:15,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15 WrapperNode [2023-11-21 18:25:15,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:15,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:15,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,985 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2023-11-21 18:25:15,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:15,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:15,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:15,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:16,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:16,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:16,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:16,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:16,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:16,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:16,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1df45c-c773-4f29-a6f3-982cc56a5945/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:16,168 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:16,171 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:16,724 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:16,760 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:16,760 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:16,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16 BoogieIcfgContainer [2023-11-21 18:25:16,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:16,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:16,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:16,776 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:16,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 127 states and 130 transitions. [2023-11-21 18:25:16,848 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2023-11-21 18:25:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:25:16,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,021 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 18:25:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 126 states and 129 transitions. [2023-11-21 18:25:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 129 transitions. [2023-11-21 18:25:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:17,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,145 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 18:25:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 125 states and 128 transitions. [2023-11-21 18:25:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 128 transitions. [2023-11-21 18:25:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:17,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,332 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 18:25:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 124 states and 127 transitions. [2023-11-21 18:25:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 127 transitions. [2023-11-21 18:25:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:17,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,621 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 18:25:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 123 states and 126 transitions. [2023-11-21 18:25:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 126 transitions. [2023-11-21 18:25:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:17,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,004 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 18:25:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 125 states and 128 transitions. [2023-11-21 18:25:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 128 transitions. [2023-11-21 18:25:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:18,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,076 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 18:25:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 126 states and 129 transitions. [2023-11-21 18:25:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 129 transitions. [2023-11-21 18:25:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:18,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,147 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 18:25:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-11-21 18:25:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-11-21 18:25:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:18,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,369 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 18:25:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2023-11-21 18:25:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-11-21 18:25:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:18,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,514 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 18:25:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 134 states and 141 transitions. [2023-11-21 18:25:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2023-11-21 18:25:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:18,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,719 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 18:25:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 138 states and 147 transitions. [2023-11-21 18:25:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2023-11-21 18:25:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:18,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,062 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 18:25:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 141 states and 153 transitions. [2023-11-21 18:25:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2023-11-21 18:25:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:19,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,464 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 18:25:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 145 states and 160 transitions. [2023-11-21 18:25:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 160 transitions. [2023-11-21 18:25:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:19,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,971 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 18:25:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 149 states and 166 transitions. [2023-11-21 18:25:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2023-11-21 18:25:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:20,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,465 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 18:25:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 152 states and 171 transitions. [2023-11-21 18:25:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 171 transitions. [2023-11-21 18:25:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:20,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:21,250 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 18:25:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 164 states and 187 transitions. [2023-11-21 18:25:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 187 transitions. [2023-11-21 18:25:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:23,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,545 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 18:25:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 177 states and 203 transitions. [2023-11-21 18:25:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2023-11-21 18:25:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:25,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,983 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 18:25:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 191 states and 220 transitions. [2023-11-21 18:25:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 220 transitions. [2023-11-21 18:25:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:27,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,449 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 18:25:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 206 states and 238 transitions. [2023-11-21 18:25:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 238 transitions. [2023-11-21 18:25:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:28,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:28,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,434 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 18:25:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 222 states and 257 transitions. [2023-11-21 18:25:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 257 transitions. [2023-11-21 18:25:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:25:32,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,935 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 18:25:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 239 states and 277 transitions. [2023-11-21 18:25:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 277 transitions. [2023-11-21 18:25:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:35,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,412 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 18:25:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 257 states and 300 transitions. [2023-11-21 18:25:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 300 transitions. [2023-11-21 18:25:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:37,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,247 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 18:25:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 276 states and 325 transitions. [2023-11-21 18:25:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 325 transitions. [2023-11-21 18:25:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:41,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:41,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:41,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:41,830 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 18:25:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 293 states and 348 transitions. [2023-11-21 18:25:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 348 transitions. [2023-11-21 18:25:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:43,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,883 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 18:25:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 294 states and 349 transitions. [2023-11-21 18:25:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 349 transitions. [2023-11-21 18:25:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:43,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,011 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 18:25:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 301 states and 363 transitions. [2023-11-21 18:25:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 363 transitions. [2023-11-21 18:25:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:46,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,270 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 18:25:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 308 states and 378 transitions. [2023-11-21 18:25:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 378 transitions. [2023-11-21 18:25:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:48,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:49,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:49,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:49,284 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 18:25:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 316 states and 394 transitions. [2023-11-21 18:25:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 394 transitions. [2023-11-21 18:25:53,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:53,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:53,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:53,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:53,914 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 18:25:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 323 states and 409 transitions. [2023-11-21 18:25:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 409 transitions. [2023-11-21 18:25:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:56,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,288 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 18:25:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 330 states and 425 transitions. [2023-11-21 18:25:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 425 transitions. [2023-11-21 18:25:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:58,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,035 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 18:26:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 339 states and 444 transitions. [2023-11-21 18:26:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 444 transitions. [2023-11-21 18:26:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:05,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:05,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:05,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:05,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:06,171 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 18:26:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 345 states and 459 transitions. [2023-11-21 18:26:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2023-11-21 18:26:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:08,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:08,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:08,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:08,803 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 18:26:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 347 states and 462 transitions. [2023-11-21 18:26:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 462 transitions. [2023-11-21 18:26:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:26:09,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:09,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:09,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:09,145 INFO L285 TraceCheckSpWp]: Computing forward predicates...