./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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 b8355d2181fa6928de72829d49257a38e0c598f3c34edac38345829315e798df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:33:18,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:33:18,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:33:18,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:33:18,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:33:18,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:33:18,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:33:18,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:33:18,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:33:18,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:33:18,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:33:18,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:33:18,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:33:18,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:33:18,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:33:18,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:33:18,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:33:18,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:33:18,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:33:18,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:33:18,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:33:18,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:33:18,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:33:18,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:33:18,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:33:18,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:18,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:33:18,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:33:18,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:33:18,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:33:18,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:33:18,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:33:18,655 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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8355d2181fa6928de72829d49257a38e0c598f3c34edac38345829315e798df [2023-12-03 02:33:18,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:33:18,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:33:18,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:33:18,930 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:33:18,931 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:33:18,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2023-12-03 02:33:21,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:33:22,067 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:33:22,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2023-12-03 02:33:22,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/45ca432ff/1f2d732172084fa09b60d53b6d00d3ab/FLAGaa6c0a4a3 [2023-12-03 02:33:22,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/45ca432ff/1f2d732172084fa09b60d53b6d00d3ab [2023-12-03 02:33:22,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:33:22,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:33:22,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:22,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:33:22,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:33:22,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:22" (1/1) ... [2023-12-03 02:33:22,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3278d7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:22, skipping insertion in model container [2023-12-03 02:33:22,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:22" (1/1) ... [2023-12-03 02:33:22,183 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:33:22,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:22,998 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:33:23,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:23,295 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,295 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,301 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:33:23,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23 WrapperNode [2023-12-03 02:33:23,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:23,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:23,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:33:23,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:33:23,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,397 INFO L138 Inliner]: procedures = 574, calls = 148, calls flagged for inlining = 16, calls inlined = 15, statements flattened = 529 [2023-12-03 02:33:23,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:23,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:33:23,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:33:23,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:33:23,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:33:23,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:33:23,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:33:23,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:33:23,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:33:23,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:33:23,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:33:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 02:33:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:33:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-03 02:33:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:33:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:33:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:33:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 02:33:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 02:33:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 02:33:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 02:33:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:33:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:33:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:33:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:33:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:33:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:33:23,882 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:33:23,885 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:33:24,389 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:33:24,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:33:24,540 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:33:24,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:24 BoogieIcfgContainer [2023-12-03 02:33:24,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:33:24,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:33:24,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:33:24,552 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:33:24,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:24" (1/1) ... [2023-12-03 02:33:24,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:33:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 180 transitions. [2023-12-03 02:33:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 180 transitions. [2023-12-03 02:33:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:33:24,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:24,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:24,961 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 02:33:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 147 states and 183 transitions. [2023-12-03 02:33:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2023-12-03 02:33:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:33:25,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,094 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 02:33:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 184 transitions. [2023-12-03 02:33:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2023-12-03 02:33:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:33:25,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,235 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 02:33:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2023-12-03 02:33:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2023-12-03 02:33:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:33:25,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,390 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 02:33:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2023-12-03 02:33:25,481 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2023-12-03 02:33:25,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:33:25,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,591 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 02:33:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2023-12-03 02:33:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2023-12-03 02:33:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:33:25,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,747 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 02:33:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2023-12-03 02:33:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2023-12-03 02:33:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:33:25,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:25,966 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 02:33:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 148 states and 185 transitions. [2023-12-03 02:33:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2023-12-03 02:33:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:33:26,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,105 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 02:33:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 188 transitions. [2023-12-03 02:33:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2023-12-03 02:33:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:33:26,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:26,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,428 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 02:33:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 154 states and 191 transitions. [2023-12-03 02:33:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2023-12-03 02:33:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:33:26,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,718 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 02:33:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 157 states and 194 transitions. [2023-12-03 02:33:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2023-12-03 02:33:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:33:26,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:26,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,039 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 02:33:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 160 states and 197 transitions. [2023-12-03 02:33:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2023-12-03 02:33:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:33:27,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,438 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 02:33:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 163 states and 200 transitions. [2023-12-03 02:33:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2023-12-03 02:33:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:33:27,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:27,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,905 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 02:33:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 166 states and 203 transitions. [2023-12-03 02:33:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 203 transitions. [2023-12-03 02:33:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:33:28,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:28,320 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 02:33:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 169 states and 206 transitions. [2023-12-03 02:33:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2023-12-03 02:33:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:33:28,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:28,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:28,772 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 02:33:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:28,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 172 states and 208 transitions. [2023-12-03 02:33:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 208 transitions. [2023-12-03 02:33:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:33:28,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:28,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:29,181 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 02:33:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 171 states and 207 transitions. [2023-12-03 02:33:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 207 transitions. [2023-12-03 02:33:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:33:29,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:29,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:29,544 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 02:33:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 170 states and 206 transitions. [2023-12-03 02:33:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2023-12-03 02:33:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:33:29,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:29,715 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 02:33:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 169 states and 205 transitions. [2023-12-03 02:33:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 205 transitions. [2023-12-03 02:33:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:33:29,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,043 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 02:33:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 171 states and 208 transitions. [2023-12-03 02:33:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 208 transitions. [2023-12-03 02:33:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:33:30,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:30,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,299 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 02:33:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 172 states and 209 transitions. [2023-12-03 02:33:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 209 transitions. [2023-12-03 02:33:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:33:30,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:30,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,521 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 02:33:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 174 states and 212 transitions. [2023-12-03 02:33:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 212 transitions. [2023-12-03 02:33:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:33:30,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,837 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 02:33:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 180 states and 223 transitions. [2023-12-03 02:33:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2023-12-03 02:33:31,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:33:31,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:31,385 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 02:33:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 179 states and 222 transitions. [2023-12-03 02:33:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 222 transitions. [2023-12-03 02:33:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:33:31,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:31,747 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 02:33:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 180 states and 223 transitions. [2023-12-03 02:33:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2023-12-03 02:33:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:33:31,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:33:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 182 states and 227 transitions. [2023-12-03 02:33:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 227 transitions. [2023-12-03 02:33:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:33:32,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:32,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:32,241 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 02:33:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 181 states and 226 transitions. [2023-12-03 02:33:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 226 transitions. [2023-12-03 02:33:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:33:32,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:32,654 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 02:33:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 183 states and 229 transitions. [2023-12-03 02:33:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 229 transitions. [2023-12-03 02:33:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:33:33,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:33,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:33:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 184 states and 230 transitions. [2023-12-03 02:33:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 230 transitions. [2023-12-03 02:33:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:33:33,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:33,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:33:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 186 states and 234 transitions. [2023-12-03 02:33:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2023-12-03 02:33:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:33:33,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:33,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:33,660 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 02:33:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 188 states and 235 transitions. [2023-12-03 02:33:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 235 transitions. [2023-12-03 02:33:33,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:33:33,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:33,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:33:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 191 states and 239 transitions. [2023-12-03 02:33:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 239 transitions. [2023-12-03 02:33:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:33:34,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:34,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:34,616 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 02:33:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 192 states and 240 transitions. [2023-12-03 02:33:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 240 transitions. [2023-12-03 02:33:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:33:34,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:34,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-03 02:33:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 191 states and 239 transitions. [2023-12-03 02:33:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 239 transitions. [2023-12-03 02:33:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:33:35,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-12-03 02:33:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 205 states and 265 transitions. [2023-12-03 02:33:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 265 transitions. [2023-12-03 02:33:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:33:36,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:36,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,031 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 02:33:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 206 states and 266 transitions. [2023-12-03 02:33:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 266 transitions. [2023-12-03 02:33:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:33:37,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:37,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-03 02:33:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 206 states and 265 transitions. [2023-12-03 02:33:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2023-12-03 02:33:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:33:37,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:33:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 208 states and 267 transitions. [2023-12-03 02:33:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 267 transitions. [2023-12-03 02:33:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:33:37,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-12-03 02:33:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 210 states and 268 transitions. [2023-12-03 02:33:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2023-12-03 02:33:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:33:38,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-12-03 02:33:38,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:38,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 212 states and 269 transitions. [2023-12-03 02:33:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2023-12-03 02:33:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:33:38,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:38,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:38,925 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 02:33:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 221 states and 284 transitions. [2023-12-03 02:33:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 284 transitions. [2023-12-03 02:33:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:33:40,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:40,542 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 02:33:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 231 states and 299 transitions. [2023-12-03 02:33:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 299 transitions. [2023-12-03 02:33:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:33:42,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:42,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 281 states and 366 transitions. [2023-12-03 02:33:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 366 transitions. [2023-12-03 02:33:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:33:47,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:47,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 283 states and 369 transitions. [2023-12-03 02:33:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2023-12-03 02:33:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:33:48,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 286 states and 375 transitions. [2023-12-03 02:33:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 375 transitions. [2023-12-03 02:33:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:33:48,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:48,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:48,986 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 02:33:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 288 states and 376 transitions. [2023-12-03 02:33:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 376 transitions. [2023-12-03 02:33:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:33:49,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:49,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 289 states and 377 transitions. [2023-12-03 02:33:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 377 transitions. [2023-12-03 02:33:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:33:49,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:49,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-12-03 02:33:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 296 states and 390 transitions. [2023-12-03 02:33:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 390 transitions. [2023-12-03 02:33:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:33:50,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:50,800 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 02:33:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 298 states and 391 transitions. [2023-12-03 02:33:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2023-12-03 02:33:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:33:51,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 298 states and 390 transitions. [2023-12-03 02:33:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 390 transitions. [2023-12-03 02:33:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 02:33:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-12-03 02:33:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 300 states and 392 transitions. [2023-12-03 02:33:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 392 transitions. [2023-12-03 02:33:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:33:51,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:51,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:52,004 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 02:33:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 301 states and 393 transitions. [2023-12-03 02:33:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 393 transitions. [2023-12-03 02:33:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:33:52,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 304 states and 399 transitions. [2023-12-03 02:33:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 399 transitions. [2023-12-03 02:33:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:33:52,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:52,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 303 states and 398 transitions. [2023-12-03 02:33:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 398 transitions. [2023-12-03 02:33:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:33:53,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:53,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-12-03 02:33:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 303 states and 396 transitions. [2023-12-03 02:33:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 396 transitions. [2023-12-03 02:33:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:33:54,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:33:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 307 states and 402 transitions. [2023-12-03 02:33:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 402 transitions. [2023-12-03 02:33:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:33:55,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:55,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-03 02:33:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 308 states and 403 transitions. [2023-12-03 02:33:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 403 transitions. [2023-12-03 02:33:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:33:57,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:57,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-03 02:33:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 308 states and 401 transitions. [2023-12-03 02:33:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2023-12-03 02:33:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:33:58,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:58,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:34:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 316 states and 413 transitions. [2023-12-03 02:34:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 413 transitions. [2023-12-03 02:34:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:34:02,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:34:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 278 states and 369 transitions. [2023-12-03 02:34:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2023-12-03 02:34:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:34:03,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-03 02:34:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 307 states and 416 transitions. [2023-12-03 02:34:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2023-12-03 02:34:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:34:11,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:11,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 298 states and 402 transitions. [2023-12-03 02:34:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 402 transitions. [2023-12-03 02:34:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:34:12,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:12,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:12,879 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 02:34:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 300 states and 403 transitions. [2023-12-03 02:34:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 403 transitions. [2023-12-03 02:34:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:34:13,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:13,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 02:34:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 302 states and 404 transitions. [2023-12-03 02:34:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2023-12-03 02:34:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:34:14,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:14,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-12-03 02:34:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 304 states and 405 transitions. [2023-12-03 02:34:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 405 transitions. [2023-12-03 02:34:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 02:34:14,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:14,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 307 states and 408 transitions. [2023-12-03 02:34:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 408 transitions. [2023-12-03 02:34:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 02:34:16,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:16,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 310 states and 411 transitions. [2023-12-03 02:34:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 411 transitions. [2023-12-03 02:34:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:34:17,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:17,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 313 states and 414 transitions. [2023-12-03 02:34:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 414 transitions. [2023-12-03 02:34:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 02:34:19,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:20,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 316 states and 417 transitions. [2023-12-03 02:34:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 417 transitions. [2023-12-03 02:34:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 02:34:20,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 319 states and 420 transitions. [2023-12-03 02:34:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2023-12-03 02:34:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 02:34:22,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 322 states and 423 transitions. [2023-12-03 02:34:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 423 transitions. [2023-12-03 02:34:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 02:34:23,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 325 states and 426 transitions. [2023-12-03 02:34:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2023-12-03 02:34:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:34:25,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:25,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 02:34:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 328 states and 428 transitions. [2023-12-03 02:34:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 428 transitions. [2023-12-03 02:34:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 02:34:26,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-03 02:34:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 329 states and 430 transitions. [2023-12-03 02:34:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 430 transitions. [2023-12-03 02:34:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 02:34:27,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-03 02:34:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 330 states and 432 transitions. [2023-12-03 02:34:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 432 transitions. [2023-12-03 02:34:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:34:28,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-03 02:34:32,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 339 states and 444 transitions. [2023-12-03 02:34:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 444 transitions. [2023-12-03 02:34:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:34:32,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-03 02:34:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 348 states and 456 transitions. [2023-12-03 02:34:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 456 transitions. [2023-12-03 02:34:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:34:36,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:36,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-12-03 02:34:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 315 states and 411 transitions. [2023-12-03 02:34:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 411 transitions. [2023-12-03 02:34:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:34:37,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:37,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2023-12-03 02:34:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 290 states and 373 transitions. [2023-12-03 02:34:38,307 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 373 transitions. [2023-12-03 02:34:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 02:34:38,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 293 states and 376 transitions. [2023-12-03 02:34:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 376 transitions. [2023-12-03 02:34:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-03 02:34:39,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 296 states and 379 transitions. [2023-12-03 02:34:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 379 transitions. [2023-12-03 02:34:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:34:41,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:41,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 299 states and 382 transitions. [2023-12-03 02:34:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 382 transitions. [2023-12-03 02:34:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:34:42,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 302 states and 385 transitions. [2023-12-03 02:34:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 385 transitions. [2023-12-03 02:34:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:43,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 305 states and 388 transitions. [2023-12-03 02:34:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 388 transitions. [2023-12-03 02:34:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-03 02:34:45,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 308 states and 391 transitions. [2023-12-03 02:34:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 391 transitions. [2023-12-03 02:34:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 02:34:46,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:46,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 311 states and 394 transitions. [2023-12-03 02:34:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 394 transitions. [2023-12-03 02:34:47,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 02:34:47,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:34:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 314 states and 396 transitions. [2023-12-03 02:34:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 396 transitions. [2023-12-03 02:34:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:34:49,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:49,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-12-03 02:36:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 401 states and 545 transitions. [2023-12-03 02:36:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 545 transitions. [2023-12-03 02:36:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:36:20,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:36:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-12-03 02:36:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 411 states and 562 transitions. [2023-12-03 02:36:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 562 transitions. [2023-12-03 02:36:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:36:39,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:39,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:36:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2023-12-03 02:37:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 479 states and 660 transitions. [2023-12-03 02:37:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 660 transitions. [2023-12-03 02:37:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-03 02:37:26,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:37:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2023-12-03 02:37:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 485 states and 668 transitions. [2023-12-03 02:37:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 668 transitions. [2023-12-03 02:37:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-03 02:37:33,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:33,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:37:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:37:33,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:37:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:37:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:37:44,795 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 02:37:44,798 INFO L158 Benchmark]: Toolchain (without parser) took 262689.27ms. Allocated memory was 132.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 85.0MB in the beginning and 1.0GB in the end (delta: -951.8MB). Peak memory consumption was 612.0MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,798 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:37:44,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.48ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 54.2MB in the end (delta: 30.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.49ms. Allocated memory is still 132.1MB. Free memory was 54.2MB in the beginning and 49.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,800 INFO L158 Benchmark]: Boogie Preprocessor took 96.70ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 49.1MB in the beginning and 144.5MB in the end (delta: -95.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,800 INFO L158 Benchmark]: RCFGBuilder took 1046.35ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 141.5MB in the end (delta: 3.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,801 INFO L158 Benchmark]: CodeCheck took 260254.74ms. Allocated memory was 186.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.5MB in the beginning and 1.0GB in the end (delta: -895.2MB). Peak memory consumption was 611.6MB. Max. memory is 16.1GB. [2023-12-03 02:37:44,803 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 132.1MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.48ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 54.2MB in the end (delta: 30.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.49ms. Allocated memory is still 132.1MB. Free memory was 54.2MB in the beginning and 49.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.70ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 49.1MB in the beginning and 144.5MB in the end (delta: -95.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1046.35ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 141.5MB in the end (delta: 3.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * CodeCheck took 260254.74ms. Allocated memory was 186.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.5MB in the beginning and 1.0GB in the end (delta: -895.2MB). Peak memory consumption was 611.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:37:44,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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 b8355d2181fa6928de72829d49257a38e0c598f3c34edac38345829315e798df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:37:46,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:37:46,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:37:46,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:37:46,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:37:46,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:37:46,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:37:46,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:37:46,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:37:46,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:37:46,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:37:46,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:37:46,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:37:46,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:37:46,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:37:46,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:37:46,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:37:46,847 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:37:46,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:37:46,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:37:46,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:37:46,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:37:46,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:37:46,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:37:46,851 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:46,851 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:37:46,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:37:46,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:37:46,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:37:46,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:37:46,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:37:46,854 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:37:46,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:46,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:37:46,855 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:37:46,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:37:46,855 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_a1f98950-ef75-4d12-91c9-b65d38b03a0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8355d2181fa6928de72829d49257a38e0c598f3c34edac38345829315e798df [2023-12-03 02:37:47,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:37:47,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:37:47,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:37:47,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:37:47,174 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:37:47,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2023-12-03 02:37:49,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:37:50,301 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:37:50,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2023-12-03 02:37:50,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/a25c8c6bc/87d50e3d7cab49098580ca1ddac43a7c/FLAG1a6d6e0ce [2023-12-03 02:37:50,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/data/a25c8c6bc/87d50e3d7cab49098580ca1ddac43a7c [2023-12-03 02:37:50,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:37:50,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:37:50,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:37:50,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:37:50,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:37:50,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:37:50" (1/1) ... [2023-12-03 02:37:50,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29128790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:50, skipping insertion in model container [2023-12-03 02:37:50,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:37:50" (1/1) ... [2023-12-03 02:37:50,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:37:51,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:37:51,267 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:37:51,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:37:51,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:37:51,395 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:37:51,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:37:51,677 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:37:51,677 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:37:51,685 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:37:51,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51 WrapperNode [2023-12-03 02:37:51,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:37:51,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:37:51,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:37:51,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:37:51,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,785 INFO L138 Inliner]: procedures = 584, calls = 148, calls flagged for inlining = 16, calls inlined = 15, statements flattened = 501 [2023-12-03 02:37:51,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:37:51,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:37:51,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:37:51,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:37:51,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:37:51,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:37:51,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:37:51,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:37:51,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:37:51" (1/1) ... [2023-12-03 02:37:51,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:37:51,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:37:51,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:37:51,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:37:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 02:37:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:37:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:37:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:37:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-12-03 02:37:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:37:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:37:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:37:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 02:37:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 02:37:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:37:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 02:37:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 02:37:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:37:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:37:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:37:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:37:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 02:37:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:37:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-03 02:37:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-12-03 02:37:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 02:37:52,291 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:37:52,294 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:37:53,703 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:37:53,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:37:53,795 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:37:53,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:37:53 BoogieIcfgContainer [2023-12-03 02:37:53,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:37:53,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:37:53,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:37:53,805 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:37:53,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:37:53" (1/1) ... [2023-12-03 02:37:53,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:37:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 180 transitions. [2023-12-03 02:37:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 180 transitions. [2023-12-03 02:37:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:37:53,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:53,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:53,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:37:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:37:54,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:54,193 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 02:37:54,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:37:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 144 states and 179 transitions. [2023-12-03 02:37:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions. [2023-12-03 02:37:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:37:54,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:54,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:54,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:54,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:54,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:37:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:54,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:37:54,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:54,723 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 02:37:54,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:37:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 147 states and 183 transitions. [2023-12-03 02:37:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2023-12-03 02:37:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:37:54,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:54,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:54,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:54,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:54,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:37:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:55,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:55,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:37:55,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:55,362 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 02:37:55,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:37:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2023-12-03 02:37:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2023-12-03 02:37:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:55,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:55,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:55,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:37:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:55,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:55,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:37:55,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:55,959 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 02:37:55,963 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:37:55,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:37:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2023-12-03 02:37:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2023-12-03 02:37:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:37:56,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:56,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:37:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:56,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:56,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:37:56,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:56,614 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 02:37:56,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:37:56,619 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:37:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 156 states and 192 transitions. [2023-12-03 02:37:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2023-12-03 02:37:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:37:56,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:56,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:56,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:56,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:56,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:37:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:37:57,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:57,285 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 02:37:57,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:37:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 159 states and 195 transitions. [2023-12-03 02:37:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2023-12-03 02:37:57,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:37:57,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:57,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:57,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:57,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:37:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:37:57,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:57,898 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 02:37:57,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:37:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 162 states and 198 transitions. [2023-12-03 02:37:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2023-12-03 02:37:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:37:58,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:58,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:58,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:58,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:58,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:37:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:58,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:58,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:37:58,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:58,518 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 02:37:58,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:37:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 165 states and 201 transitions. [2023-12-03 02:37:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 201 transitions. [2023-12-03 02:37:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:37:58,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:58,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:58,715 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:58,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:37:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:37:59,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:59,308 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 02:37:59,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:37:59,313 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:37:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 168 states and 204 transitions. [2023-12-03 02:37:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 204 transitions. [2023-12-03 02:37:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:37:59,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:59,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:59,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:59,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:37:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:37:59,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:00,041 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 02:38:00,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:38:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:00,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 171 states and 207 transitions. [2023-12-03 02:38:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 207 transitions. [2023-12-03 02:38:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:38:00,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:00,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:00,241 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:00,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:38:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:00,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:00,852 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 02:38:00,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:38:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 174 states and 210 transitions. [2023-12-03 02:38:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 210 transitions. [2023-12-03 02:38:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:38:01,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:01,068 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:01,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:38:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:01,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:01,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:38:01,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:01,721 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 02:38:01,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:38:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 171 states and 205 transitions. [2023-12-03 02:38:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions. [2023-12-03 02:38:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:01,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:01,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:01,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:01,965 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:01,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:38:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:02,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:02,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:02,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:02,327 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 02:38:02,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:38:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 170 states and 204 transitions. [2023-12-03 02:38:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 204 transitions. [2023-12-03 02:38:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:38:02,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:02,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:02,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:02,342 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:02,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:38:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:02,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:02,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:38:02,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:03,039 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 02:38:03,045 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:38:03,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:38:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 169 states and 203 transitions. [2023-12-03 02:38:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2023-12-03 02:38:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:38:03,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:03,190 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:38:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:03,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:03,606 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 02:38:03,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:38:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 168 states and 202 transitions. [2023-12-03 02:38:03,619 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 202 transitions. [2023-12-03 02:38:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:38:03,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:03,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:03,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:03,621 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:38:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:04,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:04,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:04,133 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 02:38:04,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:38:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 167 states and 201 transitions. [2023-12-03 02:38:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2023-12-03 02:38:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:38:04,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:04,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:04,250 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:04,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:38:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:04,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:04,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:04,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:04,724 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 02:38:04,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:38:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 166 states and 200 transitions. [2023-12-03 02:38:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2023-12-03 02:38:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:38:04,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:04,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:04,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:04,741 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:04,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:38:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:05,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:05,247 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 02:38:05,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:38:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 165 states and 199 transitions. [2023-12-03 02:38:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 199 transitions. [2023-12-03 02:38:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:38:05,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:05,261 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:05,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:38:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:05,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:05,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:05,986 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 02:38:05,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:38:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 168 states and 203 transitions. [2023-12-03 02:38:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2023-12-03 02:38:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:38:06,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:06,149 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:06,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:38:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:06,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:06,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:06,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:06,995 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 02:38:07,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:38:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 171 states and 206 transitions. [2023-12-03 02:38:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 206 transitions. [2023-12-03 02:38:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:38:07,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:07,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:07,184 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:07,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:38:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:07,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:07,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:07,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:38:07,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:38:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2023-12-03 02:38:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2023-12-03 02:38:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:38:07,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:07,710 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:07,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:38:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:08,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:08,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:08,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:38:08,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:38:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 173 states and 210 transitions. [2023-12-03 02:38:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2023-12-03 02:38:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:38:08,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:08,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:08,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:08,696 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:08,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:38:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:09,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:09,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:38:09,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:09,546 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 02:38:09,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:38:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 176 states and 213 transitions. [2023-12-03 02:38:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 213 transitions. [2023-12-03 02:38:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:38:09,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:09,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:09,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:09,788 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:38:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:10,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:10,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:10,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:38:10,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 179 states and 217 transitions. [2023-12-03 02:38:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 217 transitions. [2023-12-03 02:38:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:38:10,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:10,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:10,811 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:10,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:38:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:11,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:11,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:38:11,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:11,744 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 02:38:11,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:38:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 182 states and 220 transitions. [2023-12-03 02:38:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 220 transitions. [2023-12-03 02:38:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:38:12,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:12,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:12,025 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:12,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:38:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:12,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:12,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:38:12,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:38:12,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:38:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 185 states and 224 transitions. [2023-12-03 02:38:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 224 transitions. [2023-12-03 02:38:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:38:13,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:13,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:13,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:13,214 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:38:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:13,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:14,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:38:14,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:14,220 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 02:38:14,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:38:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 188 states and 227 transitions. [2023-12-03 02:38:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 227 transitions. [2023-12-03 02:38:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:38:14,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:14,537 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:38:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:15,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:15,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:15,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 02:38:15,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:38:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 191 states and 231 transitions. [2023-12-03 02:38:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 231 transitions. [2023-12-03 02:38:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:38:15,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:15,445 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:38:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:16,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:16,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:38:16,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-12-03 02:38:16,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:38:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 192 states and 233 transitions. [2023-12-03 02:38:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 233 transitions. [2023-12-03 02:38:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:38:16,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:16,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:16,961 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:16,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:38:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:17,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:17,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:38:17,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:18,049 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 02:38:18,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:38:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 195 states and 236 transitions. [2023-12-03 02:38:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 236 transitions. [2023-12-03 02:38:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:38:18,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:18,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:18,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:18,396 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:18,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:38:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:19,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:19,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:38:19,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:19,540 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 02:38:19,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:38:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 198 states and 239 transitions. [2023-12-03 02:38:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2023-12-03 02:38:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:38:19,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:19,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:19,867 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:19,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:38:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:20,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:20,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:38:20,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:21,080 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 02:38:21,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:38:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 201 states and 242 transitions. [2023-12-03 02:38:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 242 transitions. [2023-12-03 02:38:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:38:21,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:21,532 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:21,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:38:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:22,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:22,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:38:22,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:22,810 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 02:38:22,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:38:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 204 states and 245 transitions. [2023-12-03 02:38:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 245 transitions. [2023-12-03 02:38:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:38:23,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:23,243 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:23,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:38:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:24,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:24,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:24,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:24,544 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 02:38:24,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:38:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 207 states and 248 transitions. [2023-12-03 02:38:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions. [2023-12-03 02:38:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:38:24,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:24,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:24,990 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:24,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:38:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:25,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:26,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:38:26,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:26,296 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 02:38:26,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:38:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 204 states and 243 transitions. [2023-12-03 02:38:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 243 transitions. [2023-12-03 02:38:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:38:26,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:26,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:26,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:26,742 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:26,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:38:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:27,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:28,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:28,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:28,236 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 02:38:28,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:38:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 237 states and 277 transitions. [2023-12-03 02:38:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 277 transitions. [2023-12-03 02:38:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:38:33,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:33,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:33,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:33,072 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:33,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:38:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:34,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:34,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:38:34,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-12-03 02:38:35,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:38:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 279 states and 325 transitions. [2023-12-03 02:38:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 325 transitions. [2023-12-03 02:38:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:38:45,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:45,804 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:45,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:38:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:47,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:47,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:47,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-03 02:38:47,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 281 states and 327 transitions. [2023-12-03 02:38:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 327 transitions. [2023-12-03 02:38:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 02:38:48,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:48,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:48,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:48,412 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:48,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:38:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:49,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:49,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:38:49,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:38:50,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 283 states and 331 transitions. [2023-12-03 02:38:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 331 transitions. [2023-12-03 02:38:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 02:38:51,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:51,063 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:51,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:38:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:51,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:52,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:52,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:38:52,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:38:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 282 states and 330 transitions. [2023-12-03 02:38:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 330 transitions. [2023-12-03 02:38:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 02:38:52,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:52,234 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:52,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:38:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:53,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:53,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:38:53,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:38:54,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:38:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 286 states and 337 transitions. [2023-12-03 02:38:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 337 transitions. [2023-12-03 02:38:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:38:54,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:54,548 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:54,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:38:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:55,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:55,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:55,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-03 02:38:55,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 286 states and 336 transitions. [2023-12-03 02:38:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 336 transitions. [2023-12-03 02:38:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 02:38:55,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:55,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:55,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:55,772 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:55,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:38:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:57,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:57,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:38:57,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-03 02:38:58,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:38:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 284 states and 332 transitions. [2023-12-03 02:38:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 332 transitions. [2023-12-03 02:38:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 02:38:59,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:59,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:59,805 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:59,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:39:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:01,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:01,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:01,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-03 02:39:01,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 02:39:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 317 states and 366 transitions. [2023-12-03 02:39:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 366 transitions. [2023-12-03 02:39:12,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-03 02:39:12,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:12,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:12,265 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:12,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:39:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:13,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:13,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:39:13,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 11 proven. 332 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-12-03 02:39:17,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:39:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 362 states and 417 transitions. [2023-12-03 02:39:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 417 transitions. [2023-12-03 02:39:39,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-03 02:39:39,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:39,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:39,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:39,189 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:39,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:39:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:41,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:42,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:39:42,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2023-12-03 02:39:42,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:39:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 361 states and 416 transitions. [2023-12-03 02:39:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 416 transitions. [2023-12-03 02:39:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 02:39:43,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:43,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:43,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:43,430 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:43,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:39:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:45,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:45,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:39:45,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 11 proven. 332 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-12-03 02:39:46,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:39:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 368 states and 426 transitions. [2023-12-03 02:39:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 426 transitions. [2023-12-03 02:39:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:39:50,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:50,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:50,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:50,318 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:50,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:40:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:18,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:20,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 114 conjunts are in the unsatisfiable core [2023-12-03 02:40:20,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:20,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:20,771 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-03 02:40:20,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2023-12-03 02:40:20,994 INFO L349 Elim1Store]: treesize reduction 88, result has 33.8 percent of original size [2023-12-03 02:40:20,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 75 [2023-12-03 02:40:22,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:22,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:23,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:23,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:23,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:24,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:24,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:24,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:25,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:25,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:28,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:31,625 INFO L349 Elim1Store]: treesize reduction 110, result has 33.7 percent of original size [2023-12-03 02:40:31,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 91 [2023-12-03 02:40:34,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:40:34,963 INFO L349 Elim1Store]: treesize reduction 132, result has 33.7 percent of original size [2023-12-03 02:40:34,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 54 treesize of output 107 [2023-12-03 02:40:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:38,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47 [2023-12-03 02:40:38,576 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2023-12-03 02:40:38,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 118 [2023-12-03 02:40:38,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 38 [2023-12-03 02:40:38,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 28 [2023-12-03 02:40:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:38,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2023-12-03 02:40:38,693 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2023-12-03 02:40:38,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 124 [2023-12-03 02:40:38,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 44 [2023-12-03 02:40:38,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 34 [2023-12-03 02:40:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:38,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 59 [2023-12-03 02:40:39,083 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:39,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 150 treesize of output 140 [2023-12-03 02:40:39,184 INFO L349 Elim1Store]: treesize reduction 31, result has 36.7 percent of original size [2023-12-03 02:40:39,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 24 [2023-12-03 02:40:39,605 INFO L349 Elim1Store]: treesize reduction 255, result has 28.4 percent of original size [2023-12-03 02:40:39,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 153 [2023-12-03 02:40:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:40,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2023-12-03 02:40:40,066 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2023-12-03 02:40:40,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 124 [2023-12-03 02:40:40,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 44 [2023-12-03 02:40:40,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 34 [2023-12-03 02:40:44,671 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:44,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:44,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:46,592 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:46,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:46,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:48,419 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:48,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:48,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:50,348 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:50,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:50,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:50,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:52,200 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:52,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:52,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:53,965 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:53,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:54,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:55,952 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:55,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:56,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:57,677 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:57,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:58,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:40:59,451 INFO L349 Elim1Store]: treesize reduction 46, result has 19.3 percent of original size [2023-12-03 02:40:59,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 151 [2023-12-03 02:40:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:40:59,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:01,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 40 [2023-12-03 02:41:01,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:41:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:02,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2023-12-03 02:41:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:02,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47 [2023-12-03 02:41:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:02,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 59 [2023-12-03 02:41:02,814 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:02,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 118 [2023-12-03 02:41:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:02,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 11 [2023-12-03 02:41:03,222 INFO L349 Elim1Store]: treesize reduction 255, result has 28.4 percent of original size [2023-12-03 02:41:03,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 153 [2023-12-03 02:41:03,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:03,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2023-12-03 02:41:07,561 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:07,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:07,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:09,133 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:09,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:09,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:10,666 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:10,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:11,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:12,154 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:12,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:12,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:13,714 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:13,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:13,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:15,240 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:15,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:15,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:16,819 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:16,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:17,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:18,316 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:18,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:18,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:19,854 INFO L349 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2023-12-03 02:41:19,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 129 [2023-12-03 02:41:19,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-12-03 02:41:21,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 37 [2023-12-03 02:41:21,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:41:28,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:41:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:33,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:41:33,219 INFO L349 Elim1Store]: treesize reduction 42, result has 40.8 percent of original size [2023-12-03 02:41:33,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 67 [2023-12-03 02:41:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:41:39,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-03 02:41:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 2 proven. 413 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-12-03 02:41:43,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f98950-ef75-4d12-91c9-b65d38b03a0c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0