./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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 64bit --witnessprinter.graph.data.programhash f54c6e4ad5bb31d5fc72aa81fde78671b3e18716b8886472dd836cd1c3300322 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:03,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:03,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:25:03,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:25:03,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:25:03,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:03,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:03,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:03,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:03,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:03,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:03,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:03,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:25:03,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:03,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:03,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:03,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:03,218 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:25:03,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:25:03,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:03,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:03,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:03,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:03,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:03,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:03,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:03,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:03,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:03,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:03,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:25:03,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:25:03,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:03,225 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_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54c6e4ad5bb31d5fc72aa81fde78671b3e18716b8886472dd836cd1c3300322 [2023-12-03 01:25:03,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:03,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:03,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:03,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:03,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:03,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2023-12-03 01:25:06,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:25:06,537 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:25:06,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2023-12-03 01:25:06,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/e45e9c178/6b80e53a808c46018632a3a8199258b3/FLAGbbc1ca365 [2023-12-03 01:25:06,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/e45e9c178/6b80e53a808c46018632a3a8199258b3 [2023-12-03 01:25:06,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:25:06,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:25:06,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:06,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:25:06,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:25:06,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:06" (1/1) ... [2023-12-03 01:25:06,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75666b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:06, skipping insertion in model container [2023-12-03 01:25:06,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:06" (1/1) ... [2023-12-03 01:25:06,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:07,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:07,571 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:25:07,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:07,935 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:25:07,935 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:25:07,943 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:25:07,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07 WrapperNode [2023-12-03 01:25:07,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:07,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:07,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:25:07,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:25:07,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:07,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,036 INFO L138 Inliner]: procedures = 613, calls = 174, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 546 [2023-12-03 01:25:08,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:08,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:25:08,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:25:08,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:25:08,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:25:08,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:25:08,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:25:08,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:25:08,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:07" (1/1) ... [2023-12-03 01:25:08,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:25:08,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:25:08,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:25:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:25:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-03 01:25:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 01:25:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:25:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:25:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 01:25:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:25:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:25:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:25:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:25:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 01:25:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 01:25:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 01:25:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 01:25:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:25:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:25:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:25:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:25:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2023-12-03 01:25:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2023-12-03 01:25:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:25:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:25:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-03 01:25:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:25:08,529 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:25:08,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:25:09,055 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:25:09,196 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:25:09,197 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-12-03 01:25:09,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:09 BoogieIcfgContainer [2023-12-03 01:25:09,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:25:09,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:25:09,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:25:09,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:25:09,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:09" (1/1) ... [2023-12-03 01:25:09,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:25:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2023-12-03 01:25:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2023-12-03 01:25:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:25:09,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:09,668 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 01:25:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 142 states and 173 transitions. [2023-12-03 01:25:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2023-12-03 01:25:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:25:09,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:09,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:09,843 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 01:25:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 143 states and 174 transitions. [2023-12-03 01:25:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2023-12-03 01:25:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:25:09,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:09,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 145 states and 177 transitions. [2023-12-03 01:25:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 177 transitions. [2023-12-03 01:25:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:25:10,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 144 states and 176 transitions. [2023-12-03 01:25:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2023-12-03 01:25:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:25:10,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:10,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 145 states and 177 transitions. [2023-12-03 01:25:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 177 transitions. [2023-12-03 01:25:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:25:10,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:25:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:10,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 144 states and 176 transitions. [2023-12-03 01:25:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2023-12-03 01:25:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:25:10,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:25:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 143 states and 175 transitions. [2023-12-03 01:25:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2023-12-03 01:25:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:25:11,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 178 transitions. [2023-12-03 01:25:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 178 transitions. [2023-12-03 01:25:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:25:11,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 181 transitions. [2023-12-03 01:25:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 181 transitions. [2023-12-03 01:25:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:25:11,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 184 transitions. [2023-12-03 01:25:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2023-12-03 01:25:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:25:12,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 155 states and 187 transitions. [2023-12-03 01:25:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 187 transitions. [2023-12-03 01:25:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:25:12,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:12,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 158 states and 190 transitions. [2023-12-03 01:25:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2023-12-03 01:25:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:25:13,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:13,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 161 states and 193 transitions. [2023-12-03 01:25:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2023-12-03 01:25:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:25:13,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 164 states and 196 transitions. [2023-12-03 01:25:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 196 transitions. [2023-12-03 01:25:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:25:14,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:14,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 167 states and 198 transitions. [2023-12-03 01:25:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 198 transitions. [2023-12-03 01:25:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:25:14,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:14,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 166 states and 197 transitions. [2023-12-03 01:25:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions. [2023-12-03 01:25:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:25:15,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:15,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 165 states and 196 transitions. [2023-12-03 01:25:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 196 transitions. [2023-12-03 01:25:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:25:15,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:15,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 164 states and 195 transitions. [2023-12-03 01:25:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 195 transitions. [2023-12-03 01:25:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:25:15,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:15,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 166 states and 198 transitions. [2023-12-03 01:25:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2023-12-03 01:25:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:25:15,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 167 states and 199 transitions. [2023-12-03 01:25:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 199 transitions. [2023-12-03 01:25:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:25:15,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 169 states and 202 transitions. [2023-12-03 01:25:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2023-12-03 01:25:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:25:16,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:25:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 175 states and 213 transitions. [2023-12-03 01:25:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 213 transitions. [2023-12-03 01:25:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:25:16,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:25:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 174 states and 212 transitions. [2023-12-03 01:25:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 212 transitions. [2023-12-03 01:25:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:25:17,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:17,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:25:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 175 states and 213 transitions. [2023-12-03 01:25:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 213 transitions. [2023-12-03 01:25:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:25:17,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 177 states and 216 transitions. [2023-12-03 01:25:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2023-12-03 01:25:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:25:17,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 178 states and 217 transitions. [2023-12-03 01:25:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 217 transitions. [2023-12-03 01:25:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:25:17,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:25:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 177 states and 216 transitions. [2023-12-03 01:25:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2023-12-03 01:25:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:25:18,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 01:25:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 179 states and 219 transitions. [2023-12-03 01:25:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 219 transitions. [2023-12-03 01:25:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:25:19,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 221 states and 270 transitions. [2023-12-03 01:25:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2023-12-03 01:25:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:25:23,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 223 states and 274 transitions. [2023-12-03 01:25:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 274 transitions. [2023-12-03 01:25:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:25:24,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:24,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 225 states and 277 transitions. [2023-12-03 01:25:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 277 transitions. [2023-12-03 01:25:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:25:24,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 228 states and 283 transitions. [2023-12-03 01:25:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 283 transitions. [2023-12-03 01:25:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:25:25,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:25,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 231 states and 287 transitions. [2023-12-03 01:25:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 287 transitions. [2023-12-03 01:25:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:25:25,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:25,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 232 states and 288 transitions. [2023-12-03 01:25:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 288 transitions. [2023-12-03 01:25:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:25:26,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 01:25:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 234 states and 289 transitions. [2023-12-03 01:25:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 289 transitions. [2023-12-03 01:25:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:25:26,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:25:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 235 states and 290 transitions. [2023-12-03 01:25:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 290 transitions. [2023-12-03 01:25:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:25:27,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:25:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 234 states and 289 transitions. [2023-12-03 01:25:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 289 transitions. [2023-12-03 01:25:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:25:28,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 234 states and 288 transitions. [2023-12-03 01:25:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 288 transitions. [2023-12-03 01:25:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:25:28,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:28,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 01:25:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 248 states and 314 transitions. [2023-12-03 01:25:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 314 transitions. [2023-12-03 01:25:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:25:30,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 247 states and 313 transitions. [2023-12-03 01:25:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 313 transitions. [2023-12-03 01:25:31,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:25:31,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 250 states and 319 transitions. [2023-12-03 01:25:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 319 transitions. [2023-12-03 01:25:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:25:31,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 251 states and 321 transitions. [2023-12-03 01:25:33,262 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 321 transitions. [2023-12-03 01:25:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:25:33,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:33,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 01:25:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 252 states and 322 transitions. [2023-12-03 01:25:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 322 transitions. [2023-12-03 01:25:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:25:33,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:33,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-12-03 01:25:34,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 254 states and 326 transitions. [2023-12-03 01:25:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 326 transitions. [2023-12-03 01:25:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:25:34,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 01:25:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 263 states and 342 transitions. [2023-12-03 01:25:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 342 transitions. [2023-12-03 01:25:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:25:37,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:37,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 225 states and 298 transitions. [2023-12-03 01:25:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2023-12-03 01:25:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:25:38,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:38,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 01:25:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 235 states and 314 transitions. [2023-12-03 01:25:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 314 transitions. [2023-12-03 01:25:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:25:41,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 01:25:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 237 states and 315 transitions. [2023-12-03 01:25:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 315 transitions. [2023-12-03 01:25:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:25:41,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 01:25:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 239 states and 316 transitions. [2023-12-03 01:25:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 316 transitions. [2023-12-03 01:25:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:25:42,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 242 states and 319 transitions. [2023-12-03 01:25:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 319 transitions. [2023-12-03 01:25:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:25:43,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:43,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 245 states and 322 transitions. [2023-12-03 01:25:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 322 transitions. [2023-12-03 01:25:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:25:44,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 248 states and 325 transitions. [2023-12-03 01:25:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 325 transitions. [2023-12-03 01:25:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:25:45,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 251 states and 328 transitions. [2023-12-03 01:25:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2023-12-03 01:25:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:25:46,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 254 states and 331 transitions. [2023-12-03 01:25:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 331 transitions. [2023-12-03 01:25:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:25:48,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:48,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 257 states and 334 transitions. [2023-12-03 01:25:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 334 transitions. [2023-12-03 01:25:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:25:49,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 260 states and 337 transitions. [2023-12-03 01:25:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 337 transitions. [2023-12-03 01:25:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 01:25:50,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:50,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:25:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 263 states and 339 transitions. [2023-12-03 01:25:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 339 transitions. [2023-12-03 01:25:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 01:25:51,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:25:51,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:25:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:26:02,490 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 01:26:02,494 INFO L158 Benchmark]: Toolchain (without parser) took 55908.40ms. Allocated memory was 153.1MB in the beginning and 702.5MB in the end (delta: 549.5MB). Free memory was 105.3MB in the beginning and 603.4MB in the end (delta: -498.1MB). Peak memory consumption was 427.2MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,495 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:02,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1357.09ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.3MB in the beginning and 153.9MB in the end (delta: -48.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.74ms. Allocated memory is still 192.9MB. Free memory was 153.9MB in the beginning and 147.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,497 INFO L158 Benchmark]: Boogie Preprocessor took 81.57ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 142.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,497 INFO L158 Benchmark]: RCFGBuilder took 1078.42ms. Allocated memory is still 192.9MB. Free memory was 142.3MB in the beginning and 138.7MB in the end (delta: 3.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,498 INFO L158 Benchmark]: CodeCheck took 53293.87ms. Allocated memory was 192.9MB in the beginning and 702.5MB in the end (delta: 509.6MB). Free memory was 138.7MB in the beginning and 603.4MB in the end (delta: -464.7MB). Peak memory consumption was 421.4MB. Max. memory is 16.1GB. [2023-12-03 01:26:02,501 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 0.36ms. Allocated memory is still 111.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1357.09ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.3MB in the beginning and 153.9MB in the end (delta: -48.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.74ms. Allocated memory is still 192.9MB. Free memory was 153.9MB in the beginning and 147.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.57ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 142.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1078.42ms. Allocated memory is still 192.9MB. Free memory was 142.3MB in the beginning and 138.7MB in the end (delta: 3.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * CodeCheck took 53293.87ms. Allocated memory was 192.9MB in the beginning and 702.5MB in the end (delta: 509.6MB). Free memory was 138.7MB in the beginning and 603.4MB in the end (delta: -464.7MB). Peak memory consumption was 421.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:26:02,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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 64bit --witnessprinter.graph.data.programhash f54c6e4ad5bb31d5fc72aa81fde78671b3e18716b8886472dd836cd1c3300322 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:26:04,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:26:04,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:26:04,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:26:04,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:26:04,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:26:04,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:26:04,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:26:04,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:26:04,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:26:04,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:26:04,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:26:04,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:26:04,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:26:04,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:26:04,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:26:04,599 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:26:04,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:26:04,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:26:04,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:26:04,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:26:04,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:26:04,602 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:26:04,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:26:04,603 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:04,604 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:04,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:26:04,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:04,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:26:04,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:26:04,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:26:04,606 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:26:04,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:04,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:26:04,607 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:26:04,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:04,607 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_e2d3ffc1-7165-4bd0-a01a-14c61d020502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54c6e4ad5bb31d5fc72aa81fde78671b3e18716b8886472dd836cd1c3300322 [2023-12-03 01:26:04,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:26:04,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:26:04,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:26:04,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:26:04,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:26:04,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2023-12-03 01:26:07,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:26:08,054 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:26:08,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2023-12-03 01:26:08,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/b5319eca6/3cbe3669ec4d4ab79516035fb1f1d2ce/FLAG81a7b82f1 [2023-12-03 01:26:08,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/data/b5319eca6/3cbe3669ec4d4ab79516035fb1f1d2ce [2023-12-03 01:26:08,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:26:08,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:26:08,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:08,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:26:08,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:26:08,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:08" (1/1) ... [2023-12-03 01:26:08,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2cb0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:08, skipping insertion in model container [2023-12-03 01:26:08,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:08" (1/1) ... [2023-12-03 01:26:08,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:09,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:09,173 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:26:09,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:09,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:09,312 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:26:09,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:09,671 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,672 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:09,681 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:26:09,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09 WrapperNode [2023-12-03 01:26:09,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:09,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:09,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:26:09,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:26:09,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,794 INFO L138 Inliner]: procedures = 627, calls = 174, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 521 [2023-12-03 01:26:09,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:09,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:26:09,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:26:09,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:26:09,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:26:09,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:26:09,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:26:09,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:26:09,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:09" (1/1) ... [2023-12-03 01:26:09,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:09,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:26:09,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:26:09,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:26:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:26:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:26:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-12-03 01:26:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-12-03 01:26:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-12-03 01:26:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:26:09,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:26:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:26:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 01:26:09,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 01:26:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:26:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 01:26:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 01:26:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:26:09,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:26:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:26:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:26:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2023-12-03 01:26:09,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2023-12-03 01:26:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-12-03 01:26:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-03 01:26:10,347 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:26:10,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:26:24,261 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:26:24,405 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:26:24,406 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-12-03 01:26:24,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:24 BoogieIcfgContainer [2023-12-03 01:26:24,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:26:24,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:26:24,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:26:24,416 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:26:24,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:24" (1/1) ... [2023-12-03 01:26:24,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:26:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2023-12-03 01:26:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2023-12-03 01:26:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:26:24,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:24,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:24,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:24,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:24,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:26:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:24,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:24,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:24,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:24,898 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 01:26:24,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 139 states and 169 transitions. [2023-12-03 01:26:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 169 transitions. [2023-12-03 01:26:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:26:25,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:25,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:25,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:25,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:25,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:26:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:25,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:25,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:25,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:25,751 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 01:26:25,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:26:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 142 states and 173 transitions. [2023-12-03 01:26:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2023-12-03 01:26:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:26:25,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:25,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:25,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:25,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:26:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:26,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:26,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:26,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:26,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:26:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 145 states and 176 transitions. [2023-12-03 01:26:26,787 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 176 transitions. [2023-12-03 01:26:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:26:26,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:26,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:26,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:26,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:26:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:27,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:27,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:26:27,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:27,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:26:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 148 states and 179 transitions. [2023-12-03 01:26:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2023-12-03 01:26:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:26:27,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:27,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:27,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:27,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:26:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:28,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:28,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:26:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 151 states and 182 transitions. [2023-12-03 01:26:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2023-12-03 01:26:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:26:28,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:28,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:28,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:28,662 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:28,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:26:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:29,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:29,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:29,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:29,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 154 states and 185 transitions. [2023-12-03 01:26:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2023-12-03 01:26:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:26:29,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:29,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:29,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:29,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:26:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:30,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:30,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:26:30,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:30,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:26:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 188 transitions. [2023-12-03 01:26:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2023-12-03 01:26:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:26:30,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:30,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:30,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:30,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:26:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:31,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:31,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:26:31,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:31,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:26:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 160 states and 191 transitions. [2023-12-03 01:26:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2023-12-03 01:26:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:26:31,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:31,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:31,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:31,688 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:26:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:32,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:32,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:26:32,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:32,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:26:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 163 states and 194 transitions. [2023-12-03 01:26:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2023-12-03 01:26:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:26:32,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:32,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:32,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:26:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:33,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:33,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:26:33,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:33,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:26:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 166 states and 197 transitions. [2023-12-03 01:26:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions. [2023-12-03 01:26:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:26:33,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:33,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:33,921 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:33,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:26:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:34,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:34,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:26:34,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:34,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:26:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 169 states and 200 transitions. [2023-12-03 01:26:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2023-12-03 01:26:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:26:35,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:35,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:35,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:35,227 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:35,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:26:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:35,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:35,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:26:35,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:36,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:26:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 166 states and 195 transitions. [2023-12-03 01:26:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 195 transitions. [2023-12-03 01:26:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:26:36,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:36,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:36,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:36,587 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:36,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:26:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:36,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:37,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:26:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2023-12-03 01:26:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2023-12-03 01:26:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:26:37,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:37,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:37,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:37,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:26:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:37,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:37,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:26:37,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:38,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:26:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 164 states and 193 transitions. [2023-12-03 01:26:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2023-12-03 01:26:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:26:38,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:38,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:38,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:38,300 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:38,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:26:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:38,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:38,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:26:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 163 states and 192 transitions. [2023-12-03 01:26:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2023-12-03 01:26:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:26:38,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:38,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:38,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:38,750 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:26:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:39,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:39,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:39,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:26:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 162 states and 191 transitions. [2023-12-03 01:26:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 191 transitions. [2023-12-03 01:26:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:26:39,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:39,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:39,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:39,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:39,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:26:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:39,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:40,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:40,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:40,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:26:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 161 states and 190 transitions. [2023-12-03 01:26:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 190 transitions. [2023-12-03 01:26:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:26:41,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:41,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:41,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:41,029 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:41,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:26:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:41,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:41,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:41,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:41,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:26:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 160 states and 189 transitions. [2023-12-03 01:26:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2023-12-03 01:26:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:26:41,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:41,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:41,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:41,596 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:41,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:26:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:42,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:42,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:42,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:42,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:26:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 163 states and 193 transitions. [2023-12-03 01:26:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2023-12-03 01:26:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:26:42,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:42,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:42,753 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:42,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:26:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:43,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:43,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:26:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 166 states and 196 transitions. [2023-12-03 01:26:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2023-12-03 01:26:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:26:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:44,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:44,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:44,309 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:26:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:44,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:44,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:44,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:44,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2023-12-03 01:26:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2023-12-03 01:26:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:26:45,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:45,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:45,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:45,010 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:45,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:26:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:46,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:46,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:46,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:46,340 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:46,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:26:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 168 states and 199 transitions. [2023-12-03 01:26:46,539 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2023-12-03 01:26:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:26:46,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:46,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:46,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:46,540 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:46,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:26:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:47,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:47,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:26:47,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:47,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:26:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 171 states and 202 transitions. [2023-12-03 01:26:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 202 transitions. [2023-12-03 01:26:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:26:48,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:48,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:48,304 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:48,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:26:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:48,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:49,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:49,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:49,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:26:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 174 states and 207 transitions. [2023-12-03 01:26:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 207 transitions. [2023-12-03 01:26:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:26:49,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:49,455 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:49,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:26:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:50,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:50,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:50,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:50,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:26:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 176 states and 211 transitions. [2023-12-03 01:26:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 211 transitions. [2023-12-03 01:26:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:26:51,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:51,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:51,244 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:51,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:26:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:51,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:52,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:52,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:52,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:26:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 175 states and 210 transitions. [2023-12-03 01:26:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2023-12-03 01:26:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:26:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:52,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:52,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:52,219 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:52,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:26:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:53,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:53,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:26:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 178 states and 214 transitions. [2023-12-03 01:26:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 214 transitions. [2023-12-03 01:26:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:26:54,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:54,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:54,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:54,002 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:54,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:26:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:55,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:55,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:26:55,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:55,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:26:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 182 states and 221 transitions. [2023-12-03 01:26:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 221 transitions. [2023-12-03 01:26:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:26:55,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:55,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:55,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:55,819 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:55,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:26:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:56,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:57,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:57,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:57,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:26:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 185 states and 224 transitions. [2023-12-03 01:26:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 224 transitions. [2023-12-03 01:26:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:26:57,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:57,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:57,860 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:57,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:26:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:58,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:58,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:58,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:26:58,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:26:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 185 states and 223 transitions. [2023-12-03 01:26:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-12-03 01:26:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:26:58,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:58,788 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:58,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:26:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:59,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:00,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:27:00,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:00,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 188 states and 227 transitions. [2023-12-03 01:27:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 227 transitions. [2023-12-03 01:27:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:27:00,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:00,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:00,860 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:00,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:27:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:02,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:02,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:02,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:02,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:27:06,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 189 states and 229 transitions. [2023-12-03 01:27:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 229 transitions. [2023-12-03 01:27:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:27:06,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:06,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:06,475 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:06,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:27:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:07,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:07,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:27:07,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:08,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:27:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 192 states and 232 transitions. [2023-12-03 01:27:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 232 transitions. [2023-12-03 01:27:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:27:08,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:08,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:08,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:08,746 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:08,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:27:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:10,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:27:10,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:10,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:27:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 195 states and 235 transitions. [2023-12-03 01:27:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 235 transitions. [2023-12-03 01:27:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:27:11,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:11,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:11,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:11,155 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:11,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:27:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:12,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:12,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:27:12,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:12,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:27:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 198 states and 238 transitions. [2023-12-03 01:27:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2023-12-03 01:27:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:27:13,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:13,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:13,390 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:13,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:27:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:14,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:14,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:27:14,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:15,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:27:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 201 states and 241 transitions. [2023-12-03 01:27:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 241 transitions. [2023-12-03 01:27:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:27:15,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:15,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:15,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:15,957 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:15,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:27:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:17,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:17,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:27:17,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:17,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:27:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 204 states and 244 transitions. [2023-12-03 01:27:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 244 transitions. [2023-12-03 01:27:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:27:18,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:18,517 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:27:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:19,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:19,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:27:19,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:20,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:27:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 207 states and 247 transitions. [2023-12-03 01:27:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 247 transitions. [2023-12-03 01:27:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:27:21,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:21,169 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:21,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:27:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:22,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:22,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:27:22,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:27:22,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:27:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 204 states and 242 transitions. [2023-12-03 01:27:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-12-03 01:27:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:27:23,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:23,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:23,841 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:23,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:27:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:27:25,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-12-03 01:27:25,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:27:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 237 states and 276 transitions. [2023-12-03 01:27:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 276 transitions. [2023-12-03 01:27:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:27:35,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:35,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:35,622 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:27:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:38,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:39,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:27:39,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:27:39,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:27:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 236 states and 275 transitions. [2023-12-03 01:27:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2023-12-03 01:27:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 01:27:40,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:40,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:40,094 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:28:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:28:24,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:29:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:29:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:29:38,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:29:38,959 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 01:29:38,962 INFO L158 Benchmark]: Toolchain (without parser) took 210859.41ms. Allocated memory was 71.3MB in the beginning and 132.1MB in the end (delta: 60.8MB). Free memory was 43.3MB in the beginning and 55.0MB in the end (delta: -11.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,963 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:38,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1577.56ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.2MB in the beginning and 69.2MB in the end (delta: -26.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.64ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 62.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,964 INFO L158 Benchmark]: Boogie Preprocessor took 99.91ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 55.4MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,964 INFO L158 Benchmark]: RCFGBuilder took 14511.26ms. Allocated memory is still 109.1MB. Free memory was 55.1MB in the beginning and 46.7MB in the end (delta: 8.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,965 INFO L158 Benchmark]: CodeCheck took 194553.36ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 55.0MB in the end (delta: -8.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-12-03 01:29:38,967 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 0.30ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1577.56ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.2MB in the beginning and 69.2MB in the end (delta: -26.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.64ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 62.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.91ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 55.4MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 14511.26ms. Allocated memory is still 109.1MB. Free memory was 55.1MB in the beginning and 46.7MB in the end (delta: 8.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 194553.36ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 55.0MB in the end (delta: -8.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:29:39,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d3ffc1-7165-4bd0-a01a-14c61d020502/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown