./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.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_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/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_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/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_38424520-a90c-4951-8b91-314bc9d05c4a/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 a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:44,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:44,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:44,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:44,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:44,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:44,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:44,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:44,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:44,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:44,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:44,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:44,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:44,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:44,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:44,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:44,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:44,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:44,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:44,319 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:44,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:44,320 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:44,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:44,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:44,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:44,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:44,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:44,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:44,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:44,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:44,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:44,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:44,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:44,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:44,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:44,327 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_38424520-a90c-4951-8b91-314bc9d05c4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2023-11-21 18:46:44,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:44,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:44,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:44,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:44,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:44,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-21 18:46:47,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:47,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:47,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-21 18:46:47,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/data/13572f41f/a75e5be7bdc44c24a20e8fc1dd85429f/FLAG755a41356 [2023-11-21 18:46:47,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/data/13572f41f/a75e5be7bdc44c24a20e8fc1dd85429f [2023-11-21 18:46:47,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:47,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:47,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:47,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:47,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:47,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:47" (1/1) ... [2023-11-21 18:46:47,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7ae553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:47, skipping insertion in model container [2023-11-21 18:46:47,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:47" (1/1) ... [2023-11-21 18:46:47,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:48,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:48,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:48,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:48,191 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:48,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48 WrapperNode [2023-11-21 18:46:48,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:48,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:48,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:48,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:48,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,240 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-21 18:46:48,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:48,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:48,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:48,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:48,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:48,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:48,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:48,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:48,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:48" (1/1) ... [2023-11-21 18:46:48,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:48,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:48,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:48,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38424520-a90c-4951-8b91-314bc9d05c4a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:48,437 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:48,440 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:48,921 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:48,997 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:49,000 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:46:49,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:49 BoogieIcfgContainer [2023-11-21 18:46:49,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:49,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:49,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:49,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:49,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:49" (1/1) ... [2023-11-21 18:46:49,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:46:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:46:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:49,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,376 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 18:46:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:46:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:46:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:49,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,535 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 18:46:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:46:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:46:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:49,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,636 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 18:46:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:46:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:46:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:49,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:49,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:49,819 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 18:46:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:46:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:46:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:50,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:50,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:50,140 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 18:46:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-21 18:46:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-21 18:46:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:50,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:50,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:50,315 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 18:46:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:46:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:46:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:50,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:50,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,095 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 18:46:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-21 18:46:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:46:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:51,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,968 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 18:46:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-21 18:46:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-21 18:46:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:53,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:53,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,468 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 18:46:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-21 18:46:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-21 18:46:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:54,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:54,866 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 18:46:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-21 18:46:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-21 18:46:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:55,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:55,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:55,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,616 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 18:46:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-21 18:46:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-21 18:46:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:46:56,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:56,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:56,325 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 18:46:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2023-11-21 18:46:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2023-11-21 18:46:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:46:56,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:56,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:56,458 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 18:46:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 266 transitions. [2023-11-21 18:46:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2023-11-21 18:46:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:58,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,453 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 18:46:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 147 states and 267 transitions. [2023-11-21 18:46:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2023-11-21 18:46:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:58,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,744 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 18:47:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 161 states and 325 transitions. [2023-11-21 18:47:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 325 transitions. [2023-11-21 18:47:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:00,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:00,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:00,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:00,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:01,112 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 18:47:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 174 states and 352 transitions. [2023-11-21 18:47:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 352 transitions. [2023-11-21 18:47:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:03,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 181 states and 364 transitions. [2023-11-21 18:47:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 364 transitions. [2023-11-21 18:47:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:47:05,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:05,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:05,736 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 18:47:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 389 transitions. [2023-11-21 18:47:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 389 transitions. [2023-11-21 18:47:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:09,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:09,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:09,234 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 18:47:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 203 states and 400 transitions. [2023-11-21 18:47:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 400 transitions. [2023-11-21 18:47:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:47:11,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:11,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:11,370 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 18:47:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 213 states and 424 transitions. [2023-11-21 18:47:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 424 transitions. [2023-11-21 18:47:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:47:13,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:13,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:13,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:14,098 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 18:47:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 224 states and 449 transitions. [2023-11-21 18:47:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 449 transitions. [2023-11-21 18:47:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:16,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 238 states and 486 transitions. [2023-11-21 18:47:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 486 transitions. [2023-11-21 18:47:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:47:20,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:20,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 246 states and 516 transitions. [2023-11-21 18:47:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 516 transitions. [2023-11-21 18:47:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:23,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:23,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:23,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:23,255 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 18:47:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 252 states and 539 transitions. [2023-11-21 18:47:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 539 transitions. [2023-11-21 18:47:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:24,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:24,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:24,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:24,259 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 18:47:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 265 states and 572 transitions. [2023-11-21 18:47:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 572 transitions. [2023-11-21 18:47:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:47:27,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,794 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 18:47:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 266 states and 573 transitions. [2023-11-21 18:47:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 573 transitions. [2023-11-21 18:47:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:47:27,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,048 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 18:47:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 275 states and 598 transitions. [2023-11-21 18:47:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 598 transitions. [2023-11-21 18:47:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:47:28,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:28,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 286 states and 629 transitions. [2023-11-21 18:47:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 629 transitions. [2023-11-21 18:47:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:47:31,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,001 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 18:47:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 295 states and 654 transitions. [2023-11-21 18:47:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 654 transitions. [2023-11-21 18:47:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:47:32,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 309 states and 708 transitions. [2023-11-21 18:47:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 708 transitions. [2023-11-21 18:47:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:47:36,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 315 states and 714 transitions. [2023-11-21 18:47:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 714 transitions. [2023-11-21 18:47:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:39,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.