./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.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_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/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_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/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_a0481095-718a-4b61-b153-9189d9bb1514/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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:20,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:21,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:21,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:21,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:21,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:21,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:21,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:21,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:21,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:21,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:21,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:21,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:21,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:21,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:21,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:21,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:21,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:21,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:21,182 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:21,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:21,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:21,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:21,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:21,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:21,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:21,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:21,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:21,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:21,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:21,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:21,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:21,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:21,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:21,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:21,188 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_a0481095-718a-4b61-b153-9189d9bb1514/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2023-11-21 18:37:21,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:21,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:21,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:21,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:21,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-11-21 18:37:24,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:24,953 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:24,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-11-21 18:37:24,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/data/9259b94d6/96df0430158a4a4588a17fd923d4be65/FLAGf4c0f8993 [2023-11-21 18:37:24,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/data/9259b94d6/96df0430158a4a4588a17fd923d4be65 [2023-11-21 18:37:24,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:24,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:24,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:24,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:25,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:25,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1610e262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25, skipping insertion in model container [2023-11-21 18:37:25,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:25,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:25,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:25,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:25,297 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:25,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25 WrapperNode [2023-11-21 18:37:25,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:25,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:25,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:25,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:25,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,341 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:37:25,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:25,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:25,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:25,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:25,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:25,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:25,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:25,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:25,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:25,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:25,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0481095-718a-4b61-b153-9189d9bb1514/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:25,541 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:25,544 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:25,778 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:25,852 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:25,852 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:37:25,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:25 BoogieIcfgContainer [2023-11-21 18:37:25,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:25,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:25,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:25,866 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:25,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:25" (1/1) ... [2023-11-21 18:37:25,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-21 18:37:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-21 18:37:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:37:25,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,165 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 18:37:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-21 18:37:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-21 18:37:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:26,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,339 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 18:37:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-21 18:37:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-21 18:37:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:37:26,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,478 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 18:37:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:37:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:37:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:37:26,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,774 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 18:37:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:37:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:37:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:37:27,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:27,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:27,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-21 18:37:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-21 18:37:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:27,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:27,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:27,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:27,383 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 18:37:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-21 18:37:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:37:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:27,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:27,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:27,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-21 18:37:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-21 18:37:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:28,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-21 18:37:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-21 18:37:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:28,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-21 18:37:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-21 18:37:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:28,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-21 18:37:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-21 18:37:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:29,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:29,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 142 transitions. [2023-11-21 18:37:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2023-11-21 18:37:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:29,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2023-11-21 18:37:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2023-11-21 18:37:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:30,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 88 states and 164 transitions. [2023-11-21 18:37:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2023-11-21 18:37:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:30,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 89 states and 170 transitions. [2023-11-21 18:37:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 170 transitions. [2023-11-21 18:37:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:37:31,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:31,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:37:31,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:37:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 96 states and 178 transitions. [2023-11-21 18:37:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 178 transitions. [2023-11-21 18:37:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:32,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:32,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:32,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:37:32,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2023-11-21 18:37:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2023-11-21 18:37:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:33,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:33,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:37:33,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 106 states and 203 transitions. [2023-11-21 18:37:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2023-11-21 18:37:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:33,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:33,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:33,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:37:33,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 109 states and 207 transitions. [2023-11-21 18:37:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2023-11-21 18:37:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:34,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:34,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:34,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:37:34,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2023-11-21 18:37:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2023-11-21 18:37:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:37:34,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:34,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:35,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:37:35,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 119 states and 234 transitions. [2023-11-21 18:37:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 234 transitions. [2023-11-21 18:37:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:37:35,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:35,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:35,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 242 transitions. [2023-11-21 18:37:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 242 transitions. [2023-11-21 18:37:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:37:36,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:36,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:37:36,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 131 states and 251 transitions. [2023-11-21 18:37:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 251 transitions. [2023-11-21 18:37:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:37:37,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:37,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:37,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:37:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 243 transitions. [2023-11-21 18:37:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 243 transitions. [2023-11-21 18:37:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:38,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:38,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:38,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:37:38,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:37:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 140 states and 266 transitions. [2023-11-21 18:37:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 266 transitions. [2023-11-21 18:37:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:39,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:39,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:37:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 264 transitions. [2023-11-21 18:37:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 264 transitions. [2023-11-21 18:37:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:37:39,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:37:39,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:37:40,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 288 transitions. [2023-11-21 18:37:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 288 transitions. [2023-11-21 18:37:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:37:40,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:37:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 159 states and 319 transitions. [2023-11-21 18:37:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 319 transitions. [2023-11-21 18:37:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:37:41,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 159 states and 318 transitions. [2023-11-21 18:37:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 318 transitions. [2023-11-21 18:37:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:37:42,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 248 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 163 states and 320 transitions. [2023-11-21 18:37:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 320 transitions. [2023-11-21 18:37:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:37:43,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:37:43,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 15 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 166 states and 323 transitions. [2023-11-21 18:37:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 323 transitions. [2023-11-21 18:37:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:37:43,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:37:43,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:37:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 173 states and 331 transitions. [2023-11-21 18:37:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 331 transitions. [2023-11-21 18:37:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:37:45,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:37:45,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 177 states and 343 transitions. [2023-11-21 18:37:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 343 transitions. [2023-11-21 18:37:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:37:47,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:47,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:47,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:37:47,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 183 states and 361 transitions. [2023-11-21 18:37:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 361 transitions. [2023-11-21 18:37:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:37:48,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:37:48,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 190 states and 369 transitions. [2023-11-21 18:37:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 369 transitions. [2023-11-21 18:37:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:37:49,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:37:49,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:37:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 190 states and 357 transitions. [2023-11-21 18:37:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 357 transitions. [2023-11-21 18:37:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:37:51,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:37:51,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:37:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 199 states and 380 transitions. [2023-11-21 18:37:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 380 transitions. [2023-11-21 18:37:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:37:52,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:52,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:37:52,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 18 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:37:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 202 states and 383 transitions. [2023-11-21 18:37:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 383 transitions. [2023-11-21 18:37:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:37:53,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:37:53,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:37:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 203 states and 393 transitions. [2023-11-21 18:37:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 393 transitions. [2023-11-21 18:37:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:37:54,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:37:54,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:37:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 212 states and 414 transitions. [2023-11-21 18:37:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 414 transitions. [2023-11-21 18:37:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:37:55,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:37:55,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 219 states and 422 transitions. [2023-11-21 18:37:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 422 transitions. [2023-11-21 18:37:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:37:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:57,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:57,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:37:57,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:37:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 219 states and 421 transitions. [2023-11-21 18:37:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 421 transitions. [2023-11-21 18:37:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:37:59,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:59,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:59,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:37:59,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:37:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 219 states and 416 transitions. [2023-11-21 18:37:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 416 transitions. [2023-11-21 18:37:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:37:59,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:59,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:59,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:37:59,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:38:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 229 states and 452 transitions. [2023-11-21 18:38:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 452 transitions. [2023-11-21 18:38:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:38:01,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:01,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:38:01,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:38:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 236 states and 460 transitions. [2023-11-21 18:38:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 460 transitions. [2023-11-21 18:38:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:38:03,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:03,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:38:03,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:38:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 236 states and 444 transitions. [2023-11-21 18:38:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 444 transitions. [2023-11-21 18:38:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:38:05,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:38:05,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:38:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 236 states and 439 transitions. [2023-11-21 18:38:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 439 transitions. [2023-11-21 18:38:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:38:05,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:38:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 246 states and 476 transitions. [2023-11-21 18:38:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 476 transitions. [2023-11-21 18:38:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:38:07,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:38:07,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:38:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 255 states and 501 transitions. [2023-11-21 18:38:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 501 transitions. [2023-11-21 18:38:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:38:11,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:38:11,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:38:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 255 states and 500 transitions. [2023-11-21 18:38:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 500 transitions. [2023-11-21 18:38:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:38:13,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:13,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:38:13,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:38:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 255 states and 495 transitions. [2023-11-21 18:38:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 495 transitions. [2023-11-21 18:38:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-21 18:38:14,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:14,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:14,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:38:14,373 INFO L285 TraceCheckSpWp]: Computing forward predicates...