./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:34:44,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:34:44,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:34:44,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:34:44,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:34:44,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:34:44,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:34:44,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:34:44,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:34:44,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:34:44,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:34:44,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:34:44,843 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:34:44,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:34:44,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:34:44,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:34:44,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:34:44,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:34:44,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:34:44,847 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:34:44,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:34:44,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:34:44,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:34:44,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:34:44,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:34:44,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:34:44,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:44,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:34:44,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:34:44,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:34:44,852 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:34:44,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:34:44,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:34:44,853 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_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2023-12-03 00:34:45,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:34:45,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:34:45,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:34:45,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:34:45,086 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:34:45,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/psyco/psyco_security.c [2023-12-03 00:34:47,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:34:48,099 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:34:48,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/sv-benchmarks/c/psyco/psyco_security.c [2023-12-03 00:34:48,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/data/c122c69d3/a0a5012fc095435a904e6ef8491528db/FLAGb3672afc1 [2023-12-03 00:34:48,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/data/c122c69d3/a0a5012fc095435a904e6ef8491528db [2023-12-03 00:34:48,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:34:48,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:34:48,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:48,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:34:48,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:34:48,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57793f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48, skipping insertion in model container [2023-12-03 00:34:48,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:34:48,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2023-12-03 00:34:48,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:48,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:48,360 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2023-12-03 00:34:48,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:48,373 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:48,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48 WrapperNode [2023-12-03 00:34:48,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:48,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:48,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:48,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:48,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,412 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 289 [2023-12-03 00:34:48,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:48,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:48,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:48,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:48,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:48,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:48,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:48,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:48,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:48,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:48,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:48,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:34:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:34:48,573 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:48,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:48,894 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:48,917 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:34:48,918 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-12-03 00:34:48,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:48 BoogieIcfgContainer [2023-12-03 00:34:48,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:34:48,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:34:48,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:34:48,933 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:34:48,934 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:48" (1/1) ... [2023-12-03 00:34:48,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:34:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2023-12-03 00:34:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2023-12-03 00:34:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:34:49,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2023-12-03 00:34:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2023-12-03 00:34:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:34:49,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2023-12-03 00:34:49,308 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2023-12-03 00:34:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:34:49,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2023-12-03 00:34:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2023-12-03 00:34:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:34:49,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2023-12-03 00:34:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2023-12-03 00:34:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:34:49,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2023-12-03 00:34:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2023-12-03 00:34:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:34:49,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2023-12-03 00:34:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2023-12-03 00:34:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:34:49,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2023-12-03 00:34:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2023-12-03 00:34:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:34:49,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2023-12-03 00:34:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2023-12-03 00:34:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:34:50,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2023-12-03 00:34:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2023-12-03 00:34:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:34:50,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2023-12-03 00:34:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2023-12-03 00:34:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:34:50,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2023-12-03 00:34:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2023-12-03 00:34:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:34:50,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 217 transitions. [2023-12-03 00:34:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 217 transitions. [2023-12-03 00:34:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:34:50,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 114 states and 218 transitions. [2023-12-03 00:34:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2023-12-03 00:34:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:34:50,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 123 states and 238 transitions. [2023-12-03 00:34:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2023-12-03 00:34:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:50,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 126 states and 247 transitions. [2023-12-03 00:34:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2023-12-03 00:34:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:51,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2023-12-03 00:34:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2023-12-03 00:34:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:51,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 253 transitions. [2023-12-03 00:34:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 253 transitions. [2023-12-03 00:34:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:51,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2023-12-03 00:34:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2023-12-03 00:34:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:51,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 249 transitions. [2023-12-03 00:34:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 249 transitions. [2023-12-03 00:34:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:51,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 141 states and 274 transitions. [2023-12-03 00:34:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 274 transitions. [2023-12-03 00:34:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:51,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 275 transitions. [2023-12-03 00:34:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2023-12-03 00:34:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:51,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 147 states and 280 transitions. [2023-12-03 00:34:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 280 transitions. [2023-12-03 00:34:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:34:52,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 283 transitions. [2023-12-03 00:34:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 283 transitions. [2023-12-03 00:34:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:34:52,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 291 transitions. [2023-12-03 00:34:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2023-12-03 00:34:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:34:52,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 154 states and 293 transitions. [2023-12-03 00:34:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2023-12-03 00:34:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:34:52,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 307 transitions. [2023-12-03 00:34:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 307 transitions. [2023-12-03 00:34:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:34:52,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:34:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 162 states and 316 transitions. [2023-12-03 00:34:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2023-12-03 00:34:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:34:52,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 162 states and 315 transitions. [2023-12-03 00:34:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 315 transitions. [2023-12-03 00:34:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:34:52,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 162 states and 314 transitions. [2023-12-03 00:34:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2023-12-03 00:34:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:34:52,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 313 transitions. [2023-12-03 00:34:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 313 transitions. [2023-12-03 00:34:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:34:52,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 312 transitions. [2023-12-03 00:34:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2023-12-03 00:34:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:34:52,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 311 transitions. [2023-12-03 00:34:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2023-12-03 00:34:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:34:52,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:52,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 310 transitions. [2023-12-03 00:34:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 310 transitions. [2023-12-03 00:34:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:34:53,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 163 states and 309 transitions. [2023-12-03 00:34:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 309 transitions. [2023-12-03 00:34:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:34:53,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 163 states and 308 transitions. [2023-12-03 00:34:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 308 transitions. [2023-12-03 00:34:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:34:53,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 307 transitions. [2023-12-03 00:34:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2023-12-03 00:34:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:34:53,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2023-12-03 00:34:53,364 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2023-12-03 00:34:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:53,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 165 states and 304 transitions. [2023-12-03 00:34:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 304 transitions. [2023-12-03 00:34:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 165 states and 303 transitions. [2023-12-03 00:34:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 303 transitions. [2023-12-03 00:34:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:53,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 302 transitions. [2023-12-03 00:34:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 302 transitions. [2023-12-03 00:34:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:53,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:34:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 165 states and 299 transitions. [2023-12-03 00:34:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2023-12-03 00:34:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:34:53,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:34:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 170 states and 307 transitions. [2023-12-03 00:34:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 307 transitions. [2023-12-03 00:34:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:34:54,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 170 states and 306 transitions. [2023-12-03 00:34:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2023-12-03 00:34:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:34:54,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 170 states and 303 transitions. [2023-12-03 00:34:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 303 transitions. [2023-12-03 00:34:54,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:34:54,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 170 states and 300 transitions. [2023-12-03 00:34:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 300 transitions. [2023-12-03 00:34:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:34:54,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:34:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-12-03 00:34:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-12-03 00:34:54,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:34:54,766 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2023-12-03 00:34:54,774 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:34:54,931 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 00:34:54,937 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:34:54,938 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-03 00:34:54,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:34:54 ImpRootNode [2023-12-03 00:34:54,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:34:54,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:34:54,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:34:54,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:34:54,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:48" (3/4) ... [2023-12-03 00:34:54,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:34:54,952 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 00:34:54,953 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 00:34:54,953 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:34:54,954 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:34:55,071 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:34:55,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:34:55,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:34:55,073 INFO L158 Benchmark]: Toolchain (without parser) took 6947.19ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 99.4MB in the beginning and 55.8MB in the end (delta: 43.5MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,073 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:55,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.63ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 86.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,074 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 83.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,075 INFO L158 Benchmark]: RCFGBuilder took 481.28ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 63.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,075 INFO L158 Benchmark]: CodeCheck took 6017.85ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 151.1kB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,075 INFO L158 Benchmark]: Witness Printer took 132.34ms. Allocated memory is still 182.5MB. Free memory was 63.1MB in the beginning and 55.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:34:55,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 47, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16182 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9521 mSDsluCounter, 23025 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16100 mSDsCounter, 4042 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11017 IncrementalHoareTripleChecker+Invalid, 15059 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4042 mSolverCounterUnsat, 6925 mSDtfsCounter, 11017 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13808 GetRequests, 13570 SyntacticMatches, 104 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9884 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1315 NumberOfCodeBlocks, 1315 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1269 ConstructedInterpolants, 0 QuantifiedInterpolants, 2497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 45 PerfectInterpolantSequences, 566/568 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 391]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (q == 0) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((2 == q) && (this_state == 0)) || (q == 0)) || ((this_state == 3) && (q == 4))) || ((3 == q) && (this_state == 2))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.63ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 86.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 83.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.28ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 63.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6017.85ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 151.1kB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 132.34ms. Allocated memory is still 182.5MB. Free memory was 63.1MB in the beginning and 55.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:34:55,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86410fe7-a12a-4d67-a5a3-a59011530549/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE