./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.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_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/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_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/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_900afea6-4815-40aa-a606-6d0ec1b8f64a/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 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:51,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:52,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:52,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:52,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:52,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:52,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:52,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:52,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:52,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:52,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:52,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:52,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:52,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:52,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:52,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:52,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:52,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:52,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:52,094 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:52,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:52,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:52,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:52,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:52,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:52,101 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:52,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:52,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:52,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:52,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:52,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:52,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:52,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:52,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:52,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:52,109 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_900afea6-4815-40aa-a606-6d0ec1b8f64a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 [2023-11-21 18:43:52,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:52,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:52,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:52,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:52,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:52,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2023-11-21 18:43:56,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:56,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:56,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2023-11-21 18:43:56,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/data/5d3eec2a3/db71cca0cffc4bd287a8b41a8221f1c9/FLAG7023cf118 [2023-11-21 18:43:56,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/data/5d3eec2a3/db71cca0cffc4bd287a8b41a8221f1c9 [2023-11-21 18:43:56,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:56,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:56,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:56,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:56,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:56,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d08c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56, skipping insertion in model container [2023-11-21 18:43:56,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:56,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:56,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:57,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:57,024 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:57,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57 WrapperNode [2023-11-21 18:43:57,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:57,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:57,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:57,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:57,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,071 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:43:57,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:57,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:57,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:57,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:57,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:57,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:57,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:57,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:57,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:57,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:57,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:57,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900afea6-4815-40aa-a606-6d0ec1b8f64a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:57,267 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:57,269 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:57,671 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:57,739 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:57,739 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:43:57,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:57 BoogieIcfgContainer [2023-11-21 18:43:57,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:57,743 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:57,743 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:57,753 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:57,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:57" (1/1) ... [2023-11-21 18:43:57,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:43:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:43:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:43:57,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,202 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 18:43:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:43:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:43:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:58,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,397 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 18:43:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:43:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:43:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:43:58,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:43:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:43:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:43:58,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:58,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:58,656 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 18:43:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:43:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:43:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:43:58,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:59,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:59,108 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 18:43:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:43:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:43:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:59,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:59,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:59,311 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 18:43:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:43:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:43:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:43:59,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:59,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,003 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 18:44:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:44:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:44:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:00,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:00,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:00,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,726 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 18:44:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:44:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:44:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:44:01,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:01,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:01,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:01,948 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 18:44:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:44:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:44:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:44:02,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:02,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:02,968 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 18:44:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:44:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:44:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:44:03,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:03,654 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 18:44:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:44:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:44:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:44:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,468 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 18:44:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-21 18:44:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-21 18:44:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:44:04,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,628 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 18:44:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-21 18:44:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-21 18:44:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:06,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,599 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 18:44:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-21 18:44:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-21 18:44:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:06,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,717 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 18:44:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-21 18:44:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-21 18:44:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:44:07,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:07,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:07,831 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 18:44:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-21 18:44:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-21 18:44:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:44:10,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:10,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:10,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:10,552 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 18:44:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2023-11-21 18:44:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2023-11-21 18:44:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:44:11,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:11,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:12,279 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 18:44:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2023-11-21 18:44:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2023-11-21 18:44:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:44:14,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:14,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:14,271 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 18:44:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 191 states and 356 transitions. [2023-11-21 18:44:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 356 transitions. [2023-11-21 18:44:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:44:16,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:16,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:16,238 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 18:44:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 201 states and 381 transitions. [2023-11-21 18:44:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 381 transitions. [2023-11-21 18:44:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:44:18,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:18,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:18,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:18,845 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 18:44:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 212 states and 407 transitions. [2023-11-21 18:44:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 407 transitions. [2023-11-21 18:44:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:21,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:21,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:22,007 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 18:44:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 223 states and 435 transitions. [2023-11-21 18:44:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 435 transitions. [2023-11-21 18:44:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:24,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:24,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:24,863 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 18:44:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 231 states and 462 transitions. [2023-11-21 18:44:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 462 transitions. [2023-11-21 18:44:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:26,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:26,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:26,683 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 18:44:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2023-11-21 18:44:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2023-11-21 18:44:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:28,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:28,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:28,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:29,062 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 18:44:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 251 states and 512 transitions. [2023-11-21 18:44:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 512 transitions. [2023-11-21 18:44:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:32,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:32,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:32,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:32,920 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 18:44:32,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 252 states and 513 transitions. [2023-11-21 18:44:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 513 transitions. [2023-11-21 18:44:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:44:32,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:32,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:33,111 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 18:44:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 260 states and 533 transitions. [2023-11-21 18:44:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 533 transitions. [2023-11-21 18:44:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:44:34,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:34,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:34,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:34,788 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 18:44:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 271 states and 558 transitions. [2023-11-21 18:44:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 558 transitions. [2023-11-21 18:44:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:44:37,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:37,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:37,459 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 18:44:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 288 states and 593 transitions. [2023-11-21 18:44:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 593 transitions. [2023-11-21 18:44:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:44:42,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:42,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:42,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:44:42,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:42,277 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 18:44:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 294 states and 600 transitions. [2023-11-21 18:44:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 600 transitions. [2023-11-21 18:44:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:44:43,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:43,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:43,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:43,862 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 18:44:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 308 states and 640 transitions. [2023-11-21 18:44:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 640 transitions. [2023-11-21 18:44:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:47,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:47,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:47,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:44:47,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.