./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/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_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/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_020ee0c8-c78d-462f-8a7b-fdf932e21e77/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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:45,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:45,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:45,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:45,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:45,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:45,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:45,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:45,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:45,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:45,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:45,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:45,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:45,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:45,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:45,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:45,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:45,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:45,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:45,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:45,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:45,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:45,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:45,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:45,856 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:45,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:45,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:45,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:45,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:45,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:45,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:45,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:45,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:45,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:45,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:45,861 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_020ee0c8-c78d-462f-8a7b-fdf932e21e77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2023-11-21 18:31:46,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:46,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:46,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:46,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:46,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:46,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-21 18:31:49,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:49,533 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:49,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-21 18:31:49,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/data/fb74b7c52/8471e1da840f41c5913d63e3f6363538/FLAG026946f37 [2023-11-21 18:31:49,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/data/fb74b7c52/8471e1da840f41c5913d63e3f6363538 [2023-11-21 18:31:49,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:49,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:49,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:49,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:49,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:49,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495d6ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49, skipping insertion in model container [2023-11-21 18:31:49,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:49,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:49,868 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:49,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:49,912 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:49,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49 WrapperNode [2023-11-21 18:31:49,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:49,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:49,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:49,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:49,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,970 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2023-11-21 18:31:49,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:49,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:49,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:49,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:49,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:50,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:50,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:50,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:50,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:50,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:50,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:50,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:50,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:50,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020ee0c8-c78d-462f-8a7b-fdf932e21e77/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:50,240 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:50,251 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:51,499 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:51,576 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:51,577 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:51,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:51 BoogieIcfgContainer [2023-11-21 18:31:51,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:51,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:51,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:51,592 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:51,592 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:51,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-21 18:31:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-21 18:31:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:31:51,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,928 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 18:31:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-21 18:31:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-21 18:31:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,067 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 18:31:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-21 18:31:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-21 18:31:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:31:52,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,169 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 18:31:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-21 18:31:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-21 18:31:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:52,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,239 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 18:31:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-21 18:31:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-21 18:31:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:31:52,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,306 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 18:31:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:31:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:31:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:31:52,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,364 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 18:31:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-21 18:31:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-21 18:31:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:31:52,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,464 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 18:31:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:31:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:31:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:31:52,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,563 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 18:31:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-21 18:31:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-21 18:31:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:31:52,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,622 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 18:31:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-21 18:31:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-21 18:31:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:52,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,684 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 18:31:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:31:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:31:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:52,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,754 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 18:31:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-21 18:31:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-21 18:31:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:31:52,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,856 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 18:31:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-21 18:31:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-21 18:31:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:31:53,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,075 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 18:31:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-21 18:31:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-21 18:31:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:31:53,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,149 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 18:31:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-21 18:31:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-21 18:31:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:31:53,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,242 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 18:31:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-21 18:31:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-21 18:31:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:53,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,332 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 18:31:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 313 transitions. [2023-11-21 18:31:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 313 transitions. [2023-11-21 18:31:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:31:53,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,480 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 18:31:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 310 states and 324 transitions. [2023-11-21 18:31:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 324 transitions. [2023-11-21 18:31:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:31:53,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,777 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 18:31:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 311 states and 325 transitions. [2023-11-21 18:31:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 325 transitions. [2023-11-21 18:31:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:53,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 334 states and 353 transitions. [2023-11-21 18:31:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 353 transitions. [2023-11-21 18:31:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:31:54,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 335 states and 354 transitions. [2023-11-21 18:31:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 354 transitions. [2023-11-21 18:31:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:54,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 360 states and 385 transitions. [2023-11-21 18:31:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 385 transitions. [2023-11-21 18:31:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:54,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 386 states and 417 transitions. [2023-11-21 18:31:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 417 transitions. [2023-11-21 18:31:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:55,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 389 states and 422 transitions. [2023-11-21 18:31:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 422 transitions. [2023-11-21 18:31:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:31:55,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 392 states and 426 transitions. [2023-11-21 18:31:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 426 transitions. [2023-11-21 18:31:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:31:56,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 397 states and 434 transitions. [2023-11-21 18:31:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 434 transitions. [2023-11-21 18:31:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:31:56,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 403 states and 443 transitions. [2023-11-21 18:31:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 443 transitions. [2023-11-21 18:31:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:58,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:58,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:58,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 410 states and 451 transitions. [2023-11-21 18:31:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 451 transitions. [2023-11-21 18:31:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:59,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:59,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 414 states and 456 transitions. [2023-11-21 18:31:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 456 transitions. [2023-11-21 18:31:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:31:59,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:59,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 416 states and 460 transitions. [2023-11-21 18:32:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 460 transitions. [2023-11-21 18:32:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:32:00,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 419 states and 465 transitions. [2023-11-21 18:32:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 465 transitions. [2023-11-21 18:32:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:32:00,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 423 states and 471 transitions. [2023-11-21 18:32:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 471 transitions. [2023-11-21 18:32:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:02,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:02,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:02,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:02,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 427 states and 476 transitions. [2023-11-21 18:32:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 476 transitions. [2023-11-21 18:32:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:32:03,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 429 states and 480 transitions. [2023-11-21 18:32:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 480 transitions. [2023-11-21 18:32:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:32:04,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:04,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 430 states and 482 transitions. [2023-11-21 18:32:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 482 transitions. [2023-11-21 18:32:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:32:06,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:06,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:06,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 429 states and 481 transitions. [2023-11-21 18:32:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 481 transitions. [2023-11-21 18:32:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:32:06,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:06,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:06,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 434 states and 490 transitions. [2023-11-21 18:32:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2023-11-21 18:32:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:32:10,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:10,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:10,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 440 states and 500 transitions. [2023-11-21 18:32:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 500 transitions. [2023-11-21 18:32:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:32:11,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:11,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:11,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:11,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 448 states and 513 transitions. [2023-11-21 18:32:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 513 transitions. [2023-11-21 18:32:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:32:13,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:14,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:14,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 457 states and 527 transitions. [2023-11-21 18:32:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 527 transitions. [2023-11-21 18:32:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:32:16,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:16,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:16,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 466 states and 539 transitions. [2023-11-21 18:32:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 539 transitions. [2023-11-21 18:32:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:19,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 468 states and 543 transitions. [2023-11-21 18:32:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 543 transitions. [2023-11-21 18:32:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:32:20,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:20,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:20,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 471 states and 548 transitions. [2023-11-21 18:32:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 548 transitions. [2023-11-21 18:32:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:32:21,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:21,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:21,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:21,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 475 states and 552 transitions. [2023-11-21 18:32:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 552 transitions. [2023-11-21 18:32:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:32:22,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 479 states and 557 transitions. [2023-11-21 18:32:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 557 transitions. [2023-11-21 18:32:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:32:22,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 480 states and 559 transitions. [2023-11-21 18:32:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 559 transitions. [2023-11-21 18:32:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:32:23,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:23,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:23,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:23,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 482 states and 562 transitions. [2023-11-21 18:32:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 562 transitions. [2023-11-21 18:32:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:32:24,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:24,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:24,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:24,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 515 states and 604 transitions. [2023-11-21 18:32:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2023-11-21 18:32:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:32:27,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 516 states and 606 transitions. [2023-11-21 18:32:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 606 transitions. [2023-11-21 18:32:27,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:32:27,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 536 states and 633 transitions. [2023-11-21 18:32:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2023-11-21 18:32:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:32:31,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 538 states and 636 transitions. [2023-11-21 18:32:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 636 transitions. [2023-11-21 18:32:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:32:31,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 537 states and 635 transitions. [2023-11-21 18:32:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2023-11-21 18:32:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:32:31,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 557 states and 665 transitions. [2023-11-21 18:32:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 665 transitions. [2023-11-21 18:32:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:32:34,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:35,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:35,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 579 states and 694 transitions. [2023-11-21 18:32:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 694 transitions. [2023-11-21 18:32:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:32:40,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:40,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:40,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 601 states and 727 transitions. [2023-11-21 18:32:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 727 transitions. [2023-11-21 18:32:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:32:43,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.