./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/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_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/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_550a4d25-3a76-4c28-87ea-e147eed82097/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 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:04,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:04,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:04,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:04,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:04,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:04,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:04,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:04,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:04,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:04,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:04,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:04,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:04,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:04,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:04,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:04,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:04,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:04,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:04,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:04,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:04,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:04,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:04,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:04,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:04,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:04,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:04,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:04,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:04,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:04,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:04,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:04,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:04,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:04,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:04,693 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_550a4d25-3a76-4c28-87ea-e147eed82097/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2023-11-21 18:49:05,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:05,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:05,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:05,042 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:05,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:05,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-21 18:49:08,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:08,500 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:08,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-21 18:49:08,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/data/c112ac1dd/7d5b094d61db4b88a6cac10b207ee9e5/FLAG4b679f67d [2023-11-21 18:49:08,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/data/c112ac1dd/7d5b094d61db4b88a6cac10b207ee9e5 [2023-11-21 18:49:08,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:08,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:08,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:08,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:08,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:08,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a0e1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08, skipping insertion in model container [2023-11-21 18:49:08,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:08,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:08,757 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:08,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:08,796 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:08,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08 WrapperNode [2023-11-21 18:49:08,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:08,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:08,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:08,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:08,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,840 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:49:08,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:08,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:08,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:08,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:08,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:08,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:08,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:08,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:08,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:08" (1/1) ... [2023-11-21 18:49:08,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:08,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:08,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550a4d25-3a76-4c28-87ea-e147eed82097/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:49:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:49:09,050 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:09,057 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:09,439 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:09,474 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:09,474 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:49:09,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:09 BoogieIcfgContainer [2023-11-21 18:49:09,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:09,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:09,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:09,488 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:09,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:09" (1/1) ... [2023-11-21 18:49:09,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:49:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:49:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:49:09,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,782 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 18:49:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:49:09,844 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:49:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:09,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,909 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 18:49:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:49:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:49:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:09,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,048 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 18:49:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:49:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:49:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:10,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:10,237 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 18:49:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:49:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:49:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:10,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:10,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:10,516 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 18:49:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:49:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:49:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:10,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:10,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:10,671 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 18:49:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:49:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:49:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:11,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,247 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 18:49:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:49:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:49:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:11,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,909 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 18:49:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:49:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:49:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:12,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:12,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:12,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:12,981 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 18:49:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:49:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:49:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:13,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,980 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 18:49:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:49:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:49:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:49:14,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:14,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:14,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:14,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:14,614 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 18:49:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:49:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:49:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:15,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:15,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:15,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:15,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:15,391 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 18:49:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-21 18:49:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-21 18:49:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:15,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:15,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:15,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:15,523 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 18:49:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-21 18:49:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-21 18:49:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:17,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:17,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:17,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:17,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:17,224 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 18:49:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-21 18:49:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-21 18:49:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:17,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:17,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:17,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:17,472 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 18:49:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 153 states and 276 transitions. [2023-11-21 18:49:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 276 transitions. [2023-11-21 18:49:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:18,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:18,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:18,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:18,881 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 18:49:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 303 transitions. [2023-11-21 18:49:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 303 transitions. [2023-11-21 18:49:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:21,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:21,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:21,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:21,469 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 18:49:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 173 states and 315 transitions. [2023-11-21 18:49:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 315 transitions. [2023-11-21 18:49:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:49:23,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:23,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:23,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:23,431 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 18:49:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 183 states and 338 transitions. [2023-11-21 18:49:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 338 transitions. [2023-11-21 18:49:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:25,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:25,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:25,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:25,595 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 18:49:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 191 states and 357 transitions. [2023-11-21 18:49:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 357 transitions. [2023-11-21 18:49:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:27,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:27,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:27,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:27,797 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 18:49:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 201 states and 382 transitions. [2023-11-21 18:49:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 382 transitions. [2023-11-21 18:49:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:49:30,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:30,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:30,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:30,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:30,302 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 18:49:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 212 states and 408 transitions. [2023-11-21 18:49:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 408 transitions. [2023-11-21 18:49:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:33,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:33,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:33,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:33,664 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 18:49:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 437 transitions. [2023-11-21 18:49:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 437 transitions. [2023-11-21 18:49:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:36,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,263 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 18:49:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 227 states and 442 transitions. [2023-11-21 18:49:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 442 transitions. [2023-11-21 18:49:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:49:37,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,705 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 18:49:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 235 states and 468 transitions. [2023-11-21 18:49:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 468 transitions. [2023-11-21 18:49:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:49:39,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,187 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 18:49:40,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 239 states and 472 transitions. [2023-11-21 18:49:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 472 transitions. [2023-11-21 18:49:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:40,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,350 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 18:49:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 246 states and 492 transitions. [2023-11-21 18:49:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 492 transitions. [2023-11-21 18:49:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:41,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:42,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:42,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,938 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 18:49:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 259 states and 522 transitions. [2023-11-21 18:49:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 522 transitions. [2023-11-21 18:49:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:46,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,962 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 18:49:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 260 states and 523 transitions. [2023-11-21 18:49:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 523 transitions. [2023-11-21 18:49:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:47,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:47,123 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 18:49:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 268 states and 543 transitions. [2023-11-21 18:49:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 543 transitions. [2023-11-21 18:49:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:48,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:48,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:48,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:48,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:49,006 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 18:49:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 279 states and 568 transitions. [2023-11-21 18:49:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 568 transitions. [2023-11-21 18:49:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:50,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:50,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:50,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:50,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:51,037 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 18:49:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 283 states and 572 transitions. [2023-11-21 18:49:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 572 transitions. [2023-11-21 18:49:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:52,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:52,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:52,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:52,811 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 18:49:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 300 states and 607 transitions. [2023-11-21 18:49:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 607 transitions. [2023-11-21 18:49:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:49:57,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,723 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 18:49:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 308 states and 617 transitions. [2023-11-21 18:49:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 617 transitions. [2023-11-21 18:49:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:49:59,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:59,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.