./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.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_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/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_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/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_a5fd990c-83b7-4944-8386-9f9051d0c548/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 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:19,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:20,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:20,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:20,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:20,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:20,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:20,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:20,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:20,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:20,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:20,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:20,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:20,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:20,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:20,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:20,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:20,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:20,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:20,127 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:20,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:20,129 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:20,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:20,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:20,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:20,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:20,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:20,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:20,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:20,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:20,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:20,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:20,139 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:20,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:20,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:20,140 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_a5fd990c-83b7-4944-8386-9f9051d0c548/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 [2023-11-21 18:40:20,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:20,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:20,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:20,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:20,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:20,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2023-11-21 18:40:24,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:24,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:24,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2023-11-21 18:40:24,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/data/7d576564d/d584dbfd31aa40fdad0e73d9d33400b6/FLAG7251e8f91 [2023-11-21 18:40:24,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/data/7d576564d/d584dbfd31aa40fdad0e73d9d33400b6 [2023-11-21 18:40:24,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:24,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:24,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:24,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:24,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:24,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2a47d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24, skipping insertion in model container [2023-11-21 18:40:24,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:24,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:24,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:24,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:24,905 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:24,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24 WrapperNode [2023-11-21 18:40:24,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:24,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:24,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:24,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:24,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,972 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-21 18:40:24,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:24,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:24,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:24,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:24,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:25,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:25,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:25,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:25,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:25,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:25,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:25,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:25,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:25,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:25,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:25,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fd990c-83b7-4944-8386-9f9051d0c548/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:25,199 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:25,202 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:25,640 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:25,701 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:25,702 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:25,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:25 BoogieIcfgContainer [2023-11-21 18:40:25,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:25,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:25,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:25,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:25,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:25" (1/1) ... [2023-11-21 18:40:25,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 97 states and 99 transitions. [2023-11-21 18:40:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2023-11-21 18:40:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:25,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,089 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 18:40:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2023-11-21 18:40:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2023-11-21 18:40:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:26,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,268 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 18:40:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 99 states and 101 transitions. [2023-11-21 18:40:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2023-11-21 18:40:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:26,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,364 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 18:40:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 102 states and 105 transitions. [2023-11-21 18:40:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2023-11-21 18:40:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:26,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,485 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 18:40:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 106 states and 112 transitions. [2023-11-21 18:40:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2023-11-21 18:40:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:26,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,704 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 18:40:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 107 states and 113 transitions. [2023-11-21 18:40:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2023-11-21 18:40:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:26,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,753 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 18:40:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 106 states and 112 transitions. [2023-11-21 18:40:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2023-11-21 18:40:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:26,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,859 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 18:40:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 108 states and 114 transitions. [2023-11-21 18:40:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2023-11-21 18:40:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:26,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,928 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 18:40:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2023-11-21 18:40:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2023-11-21 18:40:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:26,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,021 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 18:40:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2023-11-21 18:40:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2023-11-21 18:40:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:27,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,151 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 18:40:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-21 18:40:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-21 18:40:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:27,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 126 states and 134 transitions. [2023-11-21 18:40:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2023-11-21 18:40:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:27,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,797 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 18:40:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2023-11-21 18:40:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2023-11-21 18:40:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:27,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,967 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 18:40:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-21 18:40:28,041 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-21 18:40:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:28,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,072 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 18:40:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-21 18:40:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-21 18:40:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:28,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,151 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 18:40:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 131 states and 141 transitions. [2023-11-21 18:40:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 141 transitions. [2023-11-21 18:40:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:28,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,364 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 18:40:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 137 states and 147 transitions. [2023-11-21 18:40:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2023-11-21 18:40:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:28,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,649 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 18:40:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 143 states and 154 transitions. [2023-11-21 18:40:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 154 transitions. [2023-11-21 18:40:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,863 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 18:40:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 144 states and 156 transitions. [2023-11-21 18:40:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 156 transitions. [2023-11-21 18:40:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:29,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,235 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 18:40:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 146 states and 160 transitions. [2023-11-21 18:40:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 160 transitions. [2023-11-21 18:40:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:29,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,607 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 18:40:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 149 states and 165 transitions. [2023-11-21 18:40:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2023-11-21 18:40:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:29,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,918 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 18:40:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 171 states and 195 transitions. [2023-11-21 18:40:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2023-11-21 18:40:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:40:30,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,925 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 18:40:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 176 states and 204 transitions. [2023-11-21 18:40:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 204 transitions. [2023-11-21 18:40:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:40:31,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:31,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:31,575 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 18:40:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 199 states and 236 transitions. [2023-11-21 18:40:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2023-11-21 18:40:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:32,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:32,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:32,826 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 18:40:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 202 states and 240 transitions. [2023-11-21 18:40:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 240 transitions. [2023-11-21 18:40:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:33,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:33,538 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 18:40:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 247 transitions. [2023-11-21 18:40:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 247 transitions. [2023-11-21 18:40:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:33,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:34,047 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 18:40:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 209 states and 252 transitions. [2023-11-21 18:40:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2023-11-21 18:40:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:34,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,047 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 18:40:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 260 transitions. [2023-11-21 18:40:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 260 transitions. [2023-11-21 18:40:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:40:35,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,498 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 18:40:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 212 states and 259 transitions. [2023-11-21 18:40:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2023-11-21 18:40:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:40:35,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,544 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 18:40:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 211 states and 258 transitions. [2023-11-21 18:40:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 258 transitions. [2023-11-21 18:40:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:35,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,694 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 18:40:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 217 states and 265 transitions. [2023-11-21 18:40:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 265 transitions. [2023-11-21 18:40:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:36,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:36,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:36,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:36,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,070 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 18:40:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 226 states and 280 transitions. [2023-11-21 18:40:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 280 transitions. [2023-11-21 18:40:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:38,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,268 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 18:40:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 233 states and 289 transitions. [2023-11-21 18:40:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 289 transitions. [2023-11-21 18:40:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:39,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:39,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:39,311 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 18:40:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 245 states and 306 transitions. [2023-11-21 18:40:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 306 transitions. [2023-11-21 18:40:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:40,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:40,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:40,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:40,356 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 18:40:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 253 states and 316 transitions. [2023-11-21 18:40:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 316 transitions. [2023-11-21 18:40:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:41,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:41,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,608 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 18:40:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 265 states and 336 transitions. [2023-11-21 18:40:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 336 transitions. [2023-11-21 18:40:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:42,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,832 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 18:40:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 274 states and 347 transitions. [2023-11-21 18:40:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 347 transitions. [2023-11-21 18:40:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:44,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:44,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:44,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:44,271 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 18:40:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 359 transitions. [2023-11-21 18:40:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 359 transitions. [2023-11-21 18:40:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:46,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 285 states and 360 transitions. [2023-11-21 18:40:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 360 transitions. [2023-11-21 18:40:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:46,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,464 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 18:40:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 359 transitions. [2023-11-21 18:40:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 359 transitions. [2023-11-21 18:40:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:47,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:47,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:47,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 289 states and 368 transitions. [2023-11-21 18:40:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2023-11-21 18:40:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:48,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,454 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 18:40:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 288 states and 367 transitions. [2023-11-21 18:40:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 367 transitions. [2023-11-21 18:40:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:49,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:49,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:49,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 292 states and 375 transitions. [2023-11-21 18:40:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 375 transitions. [2023-11-21 18:40:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:49,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:49,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:49,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:49,791 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 18:40:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 291 states and 374 transitions. [2023-11-21 18:40:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 374 transitions. [2023-11-21 18:40:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:49,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:49,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:49,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 296 states and 381 transitions. [2023-11-21 18:40:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 381 transitions. [2023-11-21 18:40:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:50,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,686 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 18:40:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 295 states and 380 transitions. [2023-11-21 18:40:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 380 transitions. [2023-11-21 18:40:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:52,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:52,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:52,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:52,428 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 18:40:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 310 states and 397 transitions. [2023-11-21 18:40:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 397 transitions. [2023-11-21 18:40:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:55,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 313 states and 402 transitions. [2023-11-21 18:40:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 402 transitions. [2023-11-21 18:40:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:40:56,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,587 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 18:40:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 312 states and 401 transitions. [2023-11-21 18:40:57,420 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2023-11-21 18:40:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:40:57,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 316 states and 406 transitions. [2023-11-21 18:40:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 406 transitions. [2023-11-21 18:40:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:40:57,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,081 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 18:41:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 333 states and 425 transitions. [2023-11-21 18:41:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 425 transitions. [2023-11-21 18:41:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:41:02,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:02,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:02,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 337 states and 430 transitions. [2023-11-21 18:41:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 430 transitions. [2023-11-21 18:41:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:03,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:03,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:03,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:03,448 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 18:41:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 336 states and 429 transitions. [2023-11-21 18:41:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 429 transitions. [2023-11-21 18:41:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:06,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 342 states and 436 transitions. [2023-11-21 18:41:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 436 transitions. [2023-11-21 18:41:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:07,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 350 states and 447 transitions. [2023-11-21 18:41:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 447 transitions. [2023-11-21 18:41:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:09,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:09,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 354 states and 453 transitions. [2023-11-21 18:41:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 453 transitions. [2023-11-21 18:41:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:41:09,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:09,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 356 states and 457 transitions. [2023-11-21 18:41:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 457 transitions. [2023-11-21 18:41:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:10,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:10,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:10,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:10,174 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 18:41:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 363 states and 467 transitions. [2023-11-21 18:41:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 467 transitions. [2023-11-21 18:41:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:41:11,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:11,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:11,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:11,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 477 transitions. [2023-11-21 18:41:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 477 transitions. [2023-11-21 18:41:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:41:13,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:13,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.