./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/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_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9 --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 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:22:25,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:22:25,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:22:25,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:22:25,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:22:25,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:22:25,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:22:25,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:22:25,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:22:25,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:22:25,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:22:25,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:22:25,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:22:25,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:22:25,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:22:25,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:22:25,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:22:25,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:22:25,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:22:25,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:22:25,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:22:25,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:22:25,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:22:25,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:22:25,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:22:25,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:22:25,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:22:25,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:22:25,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:25,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:22:25,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:22:25,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:22:25,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:22:25,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:22:25,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:22:25,802 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_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2023-12-03 00:22:26,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:22:26,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:22:26,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:22:26,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:22:26,032 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:22:26,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-12-03 00:22:28,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:22:29,097 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:22:29,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-12-03 00:22:29,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/b20f992a3/8cd289d5594b40f689ab554bb10991a0/FLAG3441df8d4 [2023-12-03 00:22:29,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/b20f992a3/8cd289d5594b40f689ab554bb10991a0 [2023-12-03 00:22:29,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:22:29,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:22:29,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:29,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:22:29,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:22:29,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:29,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727b6c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29, skipping insertion in model container [2023-12-03 00:22:29,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:29,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:22:29,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:29,696 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:22:29,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:29,879 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:29,887 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:22:29,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29 WrapperNode [2023-12-03 00:22:29,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:29,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:29,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:22:29,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:22:29,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:29,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,028 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2023-12-03 00:22:30,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:30,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:22:30,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:22:30,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:22:30,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:22:30,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:22:30,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:22:30,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:22:30,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:29" (1/1) ... [2023-12-03 00:22:30,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:30,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:22:30,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:22:30,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:22:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:22:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:22:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:22:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:22:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:22:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:22:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:22:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:22:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:22:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:22:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:22:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:22:30,470 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:22:30,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:22:34,176 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:22:36,223 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:22:36,223 INFO L309 CfgBuilder]: Removed 100 assume(true) statements. [2023-12-03 00:22:36,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:36 BoogieIcfgContainer [2023-12-03 00:22:36,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:22:36,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:22:36,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:22:36,234 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:22:36,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:36" (1/1) ... [2023-12-03 00:22:36,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:22:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 347 transitions. [2023-12-03 00:22:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2023-12-03 00:22:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:22:36,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,456 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 00:22:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 208 states and 346 transitions. [2023-12-03 00:22:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2023-12-03 00:22:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:22:36,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,538 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 00:22:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 208 states and 347 transitions. [2023-12-03 00:22:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2023-12-03 00:22:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:22:36,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:36,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:36,679 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 00:22:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 210 states and 349 transitions. [2023-12-03 00:22:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 349 transitions. [2023-12-03 00:22:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:22:36,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:36,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:36,806 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 00:22:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 210 states and 345 transitions. [2023-12-03 00:22:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 345 transitions. [2023-12-03 00:22:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:22:36,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:36,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:36,917 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 00:22:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2023-12-03 00:22:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-12-03 00:22:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:22:36,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:37,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:37,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:37,095 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 00:22:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 325 transitions. [2023-12-03 00:22:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 325 transitions. [2023-12-03 00:22:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:22:37,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:37,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:37,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:37,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:37,387 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 00:22:47,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:57,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 210 states and 313 transitions. [2023-12-03 00:22:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2023-12-03 00:22:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:22:57,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:58,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:58,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:58,156 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 00:23:08,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:18,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:28,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:38,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:48,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:58,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:08,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:18,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 262 states and 376 transitions. [2023-12-03 00:24:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 376 transitions. [2023-12-03 00:24:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:24:18,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:24:19,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:19,295 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 00:24:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 262 states and 374 transitions. [2023-12-03 00:24:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 374 transitions. [2023-12-03 00:24:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:24:19,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:24:19,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:19,670 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 00:24:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 262 states and 372 transitions. [2023-12-03 00:24:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 372 transitions. [2023-12-03 00:24:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:24:19,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:19,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:20,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:20,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:20,159 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 00:24:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:40,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:50,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:00,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:10,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:20,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:30,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:40,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 315 states and 437 transitions. [2023-12-03 00:25:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 437 transitions. [2023-12-03 00:25:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:25:41,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:41,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:41,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:41,363 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 00:25:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 315 states and 435 transitions. [2023-12-03 00:25:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 435 transitions. [2023-12-03 00:25:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:25:41,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:41,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:41,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:41,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:41,720 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 00:25:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 315 states and 433 transitions. [2023-12-03 00:25:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 433 transitions. [2023-12-03 00:25:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:25:41,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:41,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:42,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:42,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:52,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 315 states and 431 transitions. [2023-12-03 00:25:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 431 transitions. [2023-12-03 00:25:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:25:52,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:52,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:52,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:52,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:02,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 315 states and 429 transitions. [2023-12-03 00:26:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 429 transitions. [2023-12-03 00:26:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:26:02,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:02,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:02,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:02,874 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 00:26:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 315 states and 427 transitions. [2023-12-03 00:26:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 427 transitions. [2023-12-03 00:26:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:26:03,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:03,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:03,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:13,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:23,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:33,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:43,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 329 states and 443 transitions. [2023-12-03 00:26:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 443 transitions. [2023-12-03 00:26:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:26:43,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:44,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:44,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:54,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:04,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:14,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:24,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 332 states and 445 transitions. [2023-12-03 00:27:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 445 transitions. [2023-12-03 00:27:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:27:24,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:24,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:24,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:27:34,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:44,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:54,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:04,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 335 states and 447 transitions. [2023-12-03 00:28:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 447 transitions. [2023-12-03 00:28:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:28:04,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:05,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:05,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:28:15,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:25,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:35,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:45,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 338 states and 449 transitions. [2023-12-03 00:28:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 449 transitions. [2023-12-03 00:28:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 00:28:45,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:45,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:45,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:45,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:28:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2023-12-03 00:28:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2023-12-03 00:28:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:28:45,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:45,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:46,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:46,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:28:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 356 states and 469 transitions. [2023-12-03 00:28:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 469 transitions. [2023-12-03 00:28:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:28:46,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:46,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:46,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:28:57,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:07,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:17,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:27,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:37,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:47,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:57,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:07,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 402 states and 524 transitions. [2023-12-03 00:30:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 524 transitions. [2023-12-03 00:30:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:30:07,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:08,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:30:18,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:28,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:38,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:48,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 405 states and 526 transitions. [2023-12-03 00:30:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 526 transitions. [2023-12-03 00:30:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:30:48,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:48,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:48,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:48,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:30:58,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:08,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:18,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:28,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 408 states and 528 transitions. [2023-12-03 00:31:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 528 transitions. [2023-12-03 00:31:29,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:31:29,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:29,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:29,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:31:40,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:50,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:00,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 411 states and 530 transitions. [2023-12-03 00:32:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 530 transitions. [2023-12-03 00:32:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:32:00,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:00,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:00,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:00,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:32:10,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:21,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:31,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:41,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 414 states and 532 transitions. [2023-12-03 00:32:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 532 transitions. [2023-12-03 00:32:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 00:32:41,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:41,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:32:41,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:32:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 414 states and 531 transitions. [2023-12-03 00:32:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 531 transitions. [2023-12-03 00:32:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 00:32:41,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:42,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:42,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:32:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 423 states and 542 transitions. [2023-12-03 00:32:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 542 transitions. [2023-12-03 00:32:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:32:42,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:42,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:42,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:32:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 432 states and 552 transitions. [2023-12-03 00:32:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 552 transitions. [2023-12-03 00:32:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:32:42,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:42,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:43,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:43,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:32:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 441 states and 563 transitions. [2023-12-03 00:32:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 563 transitions. [2023-12-03 00:32:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:32:44,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:44,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:44,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:32:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 450 states and 573 transitions. [2023-12-03 00:32:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 573 transitions. [2023-12-03 00:32:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:32:44,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:44,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:45,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:45,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:32:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 451 states and 575 transitions. [2023-12-03 00:32:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 575 transitions. [2023-12-03 00:32:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:32:45,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:45,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:45,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:32:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 460 states and 586 transitions. [2023-12-03 00:32:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 586 transitions. [2023-12-03 00:32:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:32:46,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:46,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:46,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:46,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:32:49,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:32:51,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:32:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 461 states and 588 transitions. [2023-12-03 00:32:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 588 transitions. [2023-12-03 00:32:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:32:51,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:55,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:32:55,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:32:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2023-12-03 00:32:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2023-12-03 00:32:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 00:32:55,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:55,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:55,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:32:55,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:32:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 463 states and 594 transitions. [2023-12-03 00:32:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 594 transitions. [2023-12-03 00:32:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 00:32:55,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:55,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:33:06,413 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:33:06,416 INFO L158 Benchmark]: Toolchain (without parser) took 637282.56ms. Allocated memory was 130.0MB in the beginning and 268.4MB in the end (delta: 138.4MB). Free memory was 89.1MB in the beginning and 103.8MB in the end (delta: -14.7MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,416 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:06,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.66ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.1MB in the beginning and 125.0MB in the end (delta: -35.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.73ms. Allocated memory is still 161.5MB. Free memory was 125.0MB in the beginning and 111.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,417 INFO L158 Benchmark]: Boogie Preprocessor took 137.04ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 96.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,418 INFO L158 Benchmark]: RCFGBuilder took 6057.91ms. Allocated memory was 161.5MB in the beginning and 268.4MB in the end (delta: 107.0MB). Free memory was 96.9MB in the beginning and 151.3MB in the end (delta: -54.4MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,418 INFO L158 Benchmark]: CodeCheck took 630189.56ms. Allocated memory is still 268.4MB. Free memory was 151.3MB in the beginning and 103.8MB in the end (delta: 47.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-12-03 00:33:06,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.66ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.1MB in the beginning and 125.0MB in the end (delta: -35.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.73ms. Allocated memory is still 161.5MB. Free memory was 125.0MB in the beginning and 111.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.04ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 96.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6057.91ms. Allocated memory was 161.5MB in the beginning and 268.4MB in the end (delta: 107.0MB). Free memory was 96.9MB in the beginning and 151.3MB in the end (delta: -54.4MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * CodeCheck took 630189.56ms. Allocated memory is still 268.4MB. Free memory was 151.3MB in the beginning and 103.8MB in the end (delta: 47.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:33:06,627 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:33:06,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/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_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9 --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 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:08,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:08,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:33:08,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:08,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:08,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:08,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:08,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:08,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:08,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:08,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:08,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:08,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:08,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:08,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:08,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:08,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:33:08,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:33:08,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:33:08,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:33:08,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:33:08,575 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:08,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:08,576 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:08,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:08,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:08,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:08,578 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:08,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:08,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:08,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:08,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:08,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:08,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:08,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:33:08,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:08,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:08,583 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:33:08,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:08,583 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2023-12-03 00:33:08,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:08,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:08,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:08,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:08,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:08,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-12-03 00:33:11,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:12,032 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:12,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-12-03 00:33:12,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/44d497e9d/dad4fd3ed0c545d1ae2b330449c8b542/FLAG1d40e5880 [2023-12-03 00:33:12,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/data/44d497e9d/dad4fd3ed0c545d1ae2b330449c8b542 [2023-12-03 00:33:12,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:12,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:12,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:12,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:12,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:12,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:12" (1/1) ... [2023-12-03 00:33:12,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5961b3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:12, skipping insertion in model container [2023-12-03 00:33:12,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:12" (1/1) ... [2023-12-03 00:33:12,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:12,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:12,826 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:33:12,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:12,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:12,936 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:13,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:13,080 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:13,089 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:13,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13 WrapperNode [2023-12-03 00:33:13,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:13,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:13,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:13,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:13,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,221 INFO L138 Inliner]: procedures = 180, calls = 489, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1715 [2023-12-03 00:33:13,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:13,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:13,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:13,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:13,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:13,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:13,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:13,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:13,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:13" (1/1) ... [2023-12-03 00:33:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:13,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:13,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:33:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:33:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:33:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:33:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:33:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:33:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:33:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:33:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:33:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:13,697 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:13,699 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:44,665 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:45,270 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:45,270 INFO L309 CfgBuilder]: Removed 100 assume(true) statements. [2023-12-03 00:33:45,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:45 BoogieIcfgContainer [2023-12-03 00:33:45,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:45,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:45,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:45,280 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:45,281 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:45" (1/1) ... [2023-12-03 00:33:45,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 347 transitions. [2023-12-03 00:33:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2023-12-03 00:33:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:33:45,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:45,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:45,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:33:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:45,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:45,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:33:45,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:45,973 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 00:33:45,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:47,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 211 states and 350 transitions. [2023-12-03 00:33:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 350 transitions. [2023-12-03 00:33:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:33:47,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:47,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:47,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:47,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:47,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:33:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:47,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:47,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:33:47,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:47,998 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 00:33:48,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:33:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 351 transitions. [2023-12-03 00:33:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2023-12-03 00:33:48,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:33:48,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:48,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:48,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:48,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:33:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:48,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:48,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:48,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:48,674 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 00:33:48,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:33:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 211 states and 346 transitions. [2023-12-03 00:33:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 346 transitions. [2023-12-03 00:33:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:33:48,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:48,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:48,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:48,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:48,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:33:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:49,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:49,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:49,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:49,147 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 00:33:49,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:33:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2023-12-03 00:33:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2023-12-03 00:33:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:33:49,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:49,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:49,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:49,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:33:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:49,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:49,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:49,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:49,762 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 00:33:49,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 211 states and 326 transitions. [2023-12-03 00:33:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 326 transitions. [2023-12-03 00:33:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:33:49,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:49,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:49,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:49,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:49,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:33:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:50,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:50,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:50,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:50,600 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 00:33:50,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:33:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 314 transitions. [2023-12-03 00:33:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2023-12-03 00:33:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:33:51,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:51,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:51,997 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:51,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:33:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:52,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:53,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:33:53,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:53,207 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 00:33:53,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:33:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 225 states and 329 transitions. [2023-12-03 00:33:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 329 transitions. [2023-12-03 00:33:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:33:53,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:53,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:53,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:53,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:33:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:54,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:54,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:54,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:54,548 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 00:33:54,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:33:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 225 states and 327 transitions. [2023-12-03 00:33:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 327 transitions. [2023-12-03 00:33:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:33:54,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:54,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:54,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:54,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:54,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:33:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:55,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:55,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:55,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:55,522 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 00:33:55,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2023-12-03 00:33:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2023-12-03 00:33:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:33:55,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:55,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:55,545 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:33:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:56,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:56,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:56,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:56,579 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:33:56,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 225 states and 323 transitions. [2023-12-03 00:33:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 323 transitions. [2023-12-03 00:33:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:33:56,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:56,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:56,592 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:56,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:33:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:57,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:57,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:33:57,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:33:57,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:33:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 228 states and 325 transitions. [2023-12-03 00:33:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 325 transitions. [2023-12-03 00:33:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:33:57,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:57,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:57,930 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:57,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:33:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:58,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:59,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:33:59,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:33:59,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:34:01,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:06,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 274 states and 381 transitions. [2023-12-03 00:34:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 381 transitions. [2023-12-03 00:34:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:34:06,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:06,432 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:06,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:34:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:07,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:07,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:07,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:34:07,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:34:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 274 states and 379 transitions. [2023-12-03 00:34:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 379 transitions. [2023-12-03 00:34:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:34:07,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:07,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:07,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:07,677 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:34:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:08,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:08,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:08,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:34:08,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:34:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 274 states and 377 transitions. [2023-12-03 00:34:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 377 transitions. [2023-12-03 00:34:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:34:09,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:09,007 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:09,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:34:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:10,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:10,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:10,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:34:10,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:34:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 274 states and 375 transitions. [2023-12-03 00:34:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 375 transitions. [2023-12-03 00:34:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:34:10,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:10,486 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:10,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:34:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:12,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:34:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 277 states and 377 transitions. [2023-12-03 00:34:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 377 transitions. [2023-12-03 00:34:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:34:12,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:12,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:12,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:12,477 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:12,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:34:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:13,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:14,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:14,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:34:14,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:34:24,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2023-12-03 00:34:24,109 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2023-12-03 00:34:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:34:24,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:24,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:24,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:24,111 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:24,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:34:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:25,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:25,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:25,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:26,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 00:34:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 280 states and 377 transitions. [2023-12-03 00:34:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 377 transitions. [2023-12-03 00:34:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 00:34:26,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:26,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:26,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:26,517 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:34:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:27,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:28,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:28,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:34:28,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:34:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 280 states and 376 transitions. [2023-12-03 00:34:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 376 transitions. [2023-12-03 00:34:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:34:28,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:28,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:28,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:28,408 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:28,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:34:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:29,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:30,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:30,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:34:30,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:34:34,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:35,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:40,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 347 states and 457 transitions. [2023-12-03 00:34:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 457 transitions. [2023-12-03 00:34:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:34:40,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:40,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:40,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:40,919 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:40,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:34:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:42,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:43,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:43,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:34:43,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:34:53,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:59,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:09,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:19,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:19,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:19,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:19,880 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:35:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:21,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:22,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:22,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:22,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:35:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:22,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:22,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:22,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:22,386 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:22,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:35:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:23,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:24,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:24,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:24,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:35:24,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:24,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:24,483 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:24,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:35:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:26,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:26,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:26,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:26,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 00:35:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:26,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:26,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:26,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:26,751 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:26,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:35:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:28,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:28,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:28,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:28,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:35:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:28,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:28,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:28,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:28,964 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:28,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:35:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:30,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:31,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:31,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:31,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:35:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:31,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:31,225 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:31,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:35:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:32,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:33,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:33,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:33,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:35:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:33,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:33,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:33,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:33,639 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:33,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:35:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:35,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:35,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:35,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:35,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:35:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:35,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:35,997 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:35:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:38,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:38,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:38,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:38,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:35:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:38,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:38,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:38,693 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:38,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:35:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:40,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:41,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:41,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:41,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:35:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:41,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:41,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:41,378 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:41,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:35:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:43,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:44,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:44,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:44,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:35:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:44,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:44,234 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:44,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:35:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:46,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:46,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:46,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:46,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:35:46,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:46,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:46,934 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:46,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:35:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:49,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:49,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:49,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:49,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:35:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:49,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:49,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:49,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:49,754 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:49,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:35:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:52,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:52,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:52,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:52,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:35:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:52,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:52,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:52,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:52,671 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:52,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:35:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:54,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:55,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:55,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:55,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:35:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:55,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:55,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:55,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:55,549 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:55,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:35:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:57,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:58,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:58,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:58,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:35:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:35:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:35:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:35:58,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:58,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:58,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:58,570 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:58,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:36:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:00,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:01,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:01,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:01,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:36:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:01,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:01,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:01,521 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:01,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:36:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:03,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:04,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:04,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:04,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:36:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:04,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:04,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:04,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:04,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:04,488 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:04,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:36:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:07,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:07,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:07,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:07,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:36:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:07,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:07,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:07,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:07,616 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:07,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:36:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:10,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:10,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:36:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:10,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:10,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:10,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:10,772 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:10,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:36:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:13,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:13,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:13,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:13,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:36:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:13,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:13,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:13,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:13,959 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:13,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:36:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:16,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:17,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:17,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:17,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:36:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:17,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:17,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:17,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:17,394 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:17,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:36:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:20,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:20,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:20,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:20,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:36:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:20,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:20,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:20,706 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:20,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:36:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:23,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:24,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:24,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:24,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:36:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:24,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:24,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:24,453 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:24,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:36:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:27,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:27,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:27,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:27,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:36:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:27,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:27,663 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:27,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:36:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:30,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:30,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:30,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:30,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:36:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:30,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:30,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:30,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:30,916 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:30,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:36:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:33,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:34,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:34,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:34,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:36:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:34,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:34,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:34,505 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:34,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:36:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:37,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:38,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:38,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:38,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:36:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:38,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:38,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:38,447 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:38,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:36:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:41,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:41,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:41,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:41,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:36:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:41,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:41,854 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:41,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:36:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:44,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:45,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:45,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:36:45,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:36:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-03 00:36:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-03 00:36:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:36:45,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:45,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:45,530 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:45,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5564fd0-59a3-46b5-838d-2c8fbd08dcad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process