./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/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_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:27:58,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:27:58,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:27:58,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:27:58,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:27:58,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:27:58,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:27:58,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:27:58,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:27:58,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:27:58,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:27:58,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:27:58,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:27:58,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:27:58,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:27:58,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:27:58,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:27:58,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:27:58,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:27:58,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:27:58,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:27:58,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:27:58,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:27:58,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:27:58,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:27:58,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:27:58,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:27:58,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:27:58,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:27:58,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:27:58,942 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_90d31dcb-6959-484a-a3aa-83135ee0c2a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 [2023-12-02 21:27:59,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:27:59,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:27:59,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:27:59,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:27:59,212 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:27:59,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-02 21:28:01,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:28:02,148 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:28:02,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-02 21:28:02,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/1a3da5a33/406332e2ab3746a2bf678bd7f81d36d8/FLAGcc919decb [2023-12-02 21:28:02,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/1a3da5a33/406332e2ab3746a2bf678bd7f81d36d8 [2023-12-02 21:28:02,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:28:02,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:28:02,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:28:02,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:28:02,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:28:02,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:02,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf2aa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02, skipping insertion in model container [2023-12-02 21:28:02,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:02,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:28:02,399 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-02 21:28:02,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:28:02,645 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:28:02,655 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-02 21:28:02,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:28:02,807 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:28:02,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02 WrapperNode [2023-12-02 21:28:02,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:28:02,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:28:02,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:28:02,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:28:02,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:02,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,086 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2729 [2023-12-02 21:28:03,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:28:03,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:28:03,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:28:03,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:28:03,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:28:03,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:28:03,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:28:03,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:28:03,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:02" (1/1) ... [2023-12-02 21:28:03,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:28:03,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:28:03,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:28:03,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:28:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:28:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:28:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:28:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:28:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:28:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:28:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:28:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:28:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:28:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:28:03,761 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:28:03,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:28:05,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:28:08,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:28:08,807 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 21:28:08,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:28:08 BoogieIcfgContainer [2023-12-02 21:28:08,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:28:08,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:28:08,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:28:08,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:28:08,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:28:08" (1/1) ... [2023-12-02 21:28:08,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:28:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-12-02 21:28:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-12-02 21:28:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:28:08,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:20,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-02 21:28:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-02 21:28:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:28:20,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:20,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-12-02 21:28:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-02 21:28:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:28:20,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 21:28:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 21:28:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:28:21,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:21,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-12-02 21:28:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-12-02 21:28:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:28:22,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:22,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-12-02 21:28:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-12-02 21:28:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:28:22,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 21:28:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 21:28:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:28:23,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-12-02 21:28:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-12-02 21:28:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:28:24,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:24,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:28:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-12-02 21:28:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-12-02 21:28:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:28:24,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:24,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-12-02 21:28:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-12-02 21:28:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:28:25,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-12-02 21:28:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-12-02 21:28:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:28:25,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-12-02 21:28:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-12-02 21:28:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:28:26,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:26,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-12-02 21:28:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-12-02 21:28:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:28:27,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-12-02 21:28:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-12-02 21:28:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:28:27,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:27,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-12-02 21:28:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-12-02 21:28:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:28:28,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:28,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-12-02 21:28:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-12-02 21:28:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:28:29,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:29,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:28:30,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-12-02 21:28:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-12-02 21:28:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:28:30,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:30,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 21:28:40,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:44,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:54,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:04,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-12-02 21:29:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-12-02 21:29:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:29:04,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:04,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:29:15,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-12-02 21:29:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-12-02 21:29:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:29:16,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:29:27,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-12-02 21:29:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-12-02 21:29:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:29:27,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:29:38,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-12-02 21:29:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-12-02 21:29:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:29:39,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:29:50,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-12-02 21:29:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-12-02 21:29:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:29:50,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:30:02,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-12-02 21:30:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-12-02 21:30:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:30:02,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:30:14,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2023-12-02 21:30:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-12-02 21:30:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:30:14,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:30:26,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2023-12-02 21:30:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-02 21:30:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:30:26,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:30:38,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2023-12-02 21:30:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-02 21:30:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:30:38,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:38,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:49,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2023-12-02 21:30:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-12-02 21:30:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:30:49,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2023-12-02 21:30:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-12-02 21:30:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:30:50,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2023-12-02 21:30:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-12-02 21:30:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:30:52,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:52,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2023-12-02 21:30:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-12-02 21:30:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:30:53,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2023-12-02 21:30:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-12-02 21:30:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 21:30:55,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2023-12-02 21:30:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-12-02 21:30:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:30:57,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:57,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:30:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2023-12-02 21:30:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-12-02 21:30:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:30:59,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:59,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:31:01,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2023-12-02 21:31:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2023-12-02 21:31:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 21:31:01,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:01,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2023-12-02 21:31:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-12-02 21:31:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:31:02,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:02,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2023-12-02 21:31:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-12-02 21:31:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:31:04,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:04,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2023-12-02 21:31:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2023-12-02 21:31:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 21:31:05,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2023-12-02 21:31:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2023-12-02 21:31:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:31:07,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:07,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2023-12-02 21:31:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2023-12-02 21:31:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:31:09,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2023-12-02 21:31:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2023-12-02 21:31:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:31:10,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:10,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2023-12-02 21:31:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2023-12-02 21:31:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:31:13,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:13,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:31:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2023-12-02 21:31:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2023-12-02 21:31:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 21:31:15,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2023-12-02 21:31:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-12-02 21:31:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 21:31:16,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:16,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2023-12-02 21:31:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-12-02 21:31:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 21:31:17,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2023-12-02 21:31:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-12-02 21:31:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 21:31:19,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:19,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2023-12-02 21:31:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2023-12-02 21:31:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:31:21,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:21,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-12-02 21:31:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-12-02 21:31:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 21:31:23,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:23,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-12-02 21:31:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-12-02 21:31:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:31:25,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:25,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-12-02 21:31:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-12-02 21:31:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 21:31:27,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 21:31:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-12-02 21:31:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-12-02 21:31:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 21:31:29,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:33:04,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:34:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:34:35,434 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) [2023-12-02 21:34:35,437 INFO L158 Benchmark]: Toolchain (without parser) took 393257.45ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 138.0MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 880.2MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,437 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:35,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.61ms. Allocated memory is still 172.0MB. Free memory was 138.0MB in the beginning and 132.5MB in the end (delta: 5.6MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.28ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 75.9MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,438 INFO L158 Benchmark]: Boogie Preprocessor took 338.52ms. Allocated memory is still 172.0MB. Free memory was 75.9MB in the beginning and 94.6MB in the end (delta: -18.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,439 INFO L158 Benchmark]: RCFGBuilder took 5382.36ms. Allocated memory was 172.0MB in the beginning and 547.4MB in the end (delta: 375.4MB). Free memory was 94.6MB in the beginning and 231.0MB in the end (delta: -136.4MB). Peak memory consumption was 235.5MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,439 INFO L158 Benchmark]: CodeCheck took 386626.20ms. Allocated memory was 547.4MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 231.0MB in the beginning and 1.2GB in the end (delta: -954.8MB). Peak memory consumption was 601.3MB. Max. memory is 16.1GB. [2023-12-02 21:34:35,441 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 0.21ms. Allocated memory is still 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.61ms. Allocated memory is still 172.0MB. Free memory was 138.0MB in the beginning and 132.5MB in the end (delta: 5.6MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.28ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 75.9MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 338.52ms. Allocated memory is still 172.0MB. Free memory was 75.9MB in the beginning and 94.6MB in the end (delta: -18.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5382.36ms. Allocated memory was 172.0MB in the beginning and 547.4MB in the end (delta: 375.4MB). Free memory was 94.6MB in the beginning and 231.0MB in the end (delta: -136.4MB). Peak memory consumption was 235.5MB. Max. memory is 16.1GB. * CodeCheck took 386626.20ms. Allocated memory was 547.4MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 231.0MB in the beginning and 1.2GB in the end (delta: -954.8MB). Peak memory consumption was 601.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:34:35,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/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_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:37,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:37,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:34:37,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:37,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:34:37,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:34:37,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:37,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:37,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:37,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:34:37,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:37,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:34:37,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:37,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:34:37,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:34:37,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:34:37,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:34:37,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:34:37,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:37,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:37,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:37,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:37,563 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:37,563 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:37,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:37,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:37,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:37,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:37,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:34:37,566 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:34:37,566 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:37,566 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:34:37,567 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:34:37,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:37,567 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_90d31dcb-6959-484a-a3aa-83135ee0c2a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 [2023-12-02 21:34:37,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:37,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:37,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:37,889 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:37,890 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:37,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-02 21:34:40,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:40,897 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:40,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-02 21:34:40,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/76eab4ee4/18085f6a5784494b88db273d2f90c54b/FLAGaf41f12c1 [2023-12-02 21:34:40,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/data/76eab4ee4/18085f6a5784494b88db273d2f90c54b [2023-12-02 21:34:40,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:40,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:40,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:40,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:40,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:40,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:40" (1/1) ... [2023-12-02 21:34:40,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c77e252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:40, skipping insertion in model container [2023-12-02 21:34:40,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:40" (1/1) ... [2023-12-02 21:34:40,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:41,133 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-02 21:34:41,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:41,379 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:41,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-02 21:34:41,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:41,488 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:41,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41 WrapperNode [2023-12-02 21:34:41,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:41,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:41,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:41,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:41,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,586 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 961 [2023-12-02 21:34:41,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:41,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:41,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:41,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:41,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:41,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:41,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:41,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:41,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:41" (1/1) ... [2023-12-02 21:34:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:41,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:41,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 21:34:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:34:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:34:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:34:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 21:34:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:41,985 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:41,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:42,663 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:42,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:42,816 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 21:34:42,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:42 BoogieIcfgContainer [2023-12-02 21:34:42,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:42,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:42,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:42,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:42,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:42" (1/1) ... [2023-12-02 21:34:42,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-12-02 21:34:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-12-02 21:34:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:34:42,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:42,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:42,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:42,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:34:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:43,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:43,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:43,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:34:43,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-02 21:34:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-02 21:34:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:34:43,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:43,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:43,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:43,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:43,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:34:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:44,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:44,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:44,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:34:44,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:34:44,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-12-02 21:34:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-02 21:34:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:34:44,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:44,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:44,365 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:44,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:34:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:44,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:44,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:34:44,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:34:44,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:34:44,970 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:34:45,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 21:34:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 21:34:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:34:45,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:45,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:45,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:45,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:34:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:45,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:45,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:34:45,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 21:34:45,634 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:34:45,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-12-02 21:34:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-12-02 21:34:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:34:45,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:45,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:45,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:34:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:46,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:46,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:46,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 21:34:46,352 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:34:46,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-12-02 21:34:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-12-02 21:34:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:34:46,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:46,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:46,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:46,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:46,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:34:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:46,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:47,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:34:47,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 21:34:47,073 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:34:47,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:34:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 21:34:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 21:34:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:34:47,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:47,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:47,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:47,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:47,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:34:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:47,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:47,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:47,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:34:47,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:34:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-12-02 21:34:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-12-02 21:34:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:34:47,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:47,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:47,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:47,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:34:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:48,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:48,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:34:48,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:34:48,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:34:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-12-02 21:34:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-12-02 21:34:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:34:48,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:48,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:48,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:48,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:48,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:34:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:48,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:48,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:34:48,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:34:48,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:34:48,966 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:34:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-12-02 21:34:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-12-02 21:34:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:34:49,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:49,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:49,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:34:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:49,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:49,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:34:49,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:34:49,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:34:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-12-02 21:34:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-12-02 21:34:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:34:49,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:49,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:49,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:49,719 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:49,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:34:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:50,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:50,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 21:34:50,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:34:50,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-12-02 21:34:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-12-02 21:34:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:34:53,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:53,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:53,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:53,281 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:53,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:34:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:54,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:54,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:54,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 21:34:54,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:34:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-12-02 21:34:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-12-02 21:34:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:34:54,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:54,584 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:54,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:34:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:55,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:55,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:55,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:34:55,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:34:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2023-12-02 21:34:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-12-02 21:34:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:34:55,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:55,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:55,945 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:55,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:34:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:56,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:56,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:56,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-02 21:34:57,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:34:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2023-12-02 21:34:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2023-12-02 21:34:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:34:57,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:57,214 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:57,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:34:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:57,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:58,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:34:58,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 21:34:58,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:34:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-12-02 21:34:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-12-02 21:34:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:34:58,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:58,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:58,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:58,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:58,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:34:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:59,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:59,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:34:59,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 21:34:59,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:34:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-12-02 21:34:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-12-02 21:34:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 21:34:59,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:59,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:59,880 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:59,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:35:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:00,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:00,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:35:00,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:35:00,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:35:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-12-02 21:35:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-12-02 21:35:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:35:01,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:01,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:01,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:01,274 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:01,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:35:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:02,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:02,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:35:02,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:35:02,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:35:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2023-12-02 21:35:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-12-02 21:35:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:35:02,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:02,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:02,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:02,757 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:02,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:35:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:03,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:03,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:35:03,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 21:35:03,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:35:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2023-12-02 21:35:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2023-12-02 21:35:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:35:04,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:04,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:04,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:04,275 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:04,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:35:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:04,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:05,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:05,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 21:35:05,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 21:35:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2023-12-02 21:35:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2023-12-02 21:35:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:35:05,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:05,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:05,845 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:35:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:06,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:06,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:35:06,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 21:35:07,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:35:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2023-12-02 21:35:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-12-02 21:35:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:35:07,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:07,555 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:07,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:35:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:08,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:08,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:08,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 21:35:08,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:35:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2023-12-02 21:35:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-12-02 21:35:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:35:09,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:09,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:09,163 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:09,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:35:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:09,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:10,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:35:10,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 21:35:10,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:35:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2023-12-02 21:35:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-12-02 21:35:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:35:10,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:10,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:10,788 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:10,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:35:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:11,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:11,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:11,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 21:35:12,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 21:35:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2023-12-02 21:35:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-12-02 21:35:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:35:12,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:12,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:12,435 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:12,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:35:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:13,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:13,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:35:13,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 21:35:13,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:35:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2023-12-02 21:35:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-12-02 21:35:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:35:14,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:14,194 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:14,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:35:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:15,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:15,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:15,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 21:35:15,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:35:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2023-12-02 21:35:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2023-12-02 21:35:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:35:15,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:15,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:15,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:15,904 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:35:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:16,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:17,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:35:17,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 21:35:17,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:35:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-12-02 21:35:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-12-02 21:35:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:35:17,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:17,866 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:17,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:35:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:18,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:19,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:35:19,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 21:35:19,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:35:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2023-12-02 21:35:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-12-02 21:35:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:35:20,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:20,023 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:35:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:20,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:21,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:35:21,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 21:35:21,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-02 21:35:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2023-12-02 21:35:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-12-02 21:35:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:35:21,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:21,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:21,985 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:21,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:35:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:22,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:23,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:35:23,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 21:35:23,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:35:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2023-12-02 21:35:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-12-02 21:35:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 21:35:23,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:23,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:23,951 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:23,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:35:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:24,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:25,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:35:25,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 21:35:25,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:35:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2023-12-02 21:35:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-12-02 21:35:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:35:26,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:26,086 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:35:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:27,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:27,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:35:27,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 21:35:27,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:35:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2023-12-02 21:35:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-12-02 21:35:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:35:28,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:28,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:28,608 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:35:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:29,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:29,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:35:29,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 21:35:30,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:35:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2023-12-02 21:35:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-12-02 21:35:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 21:35:30,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:30,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:30,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:30,999 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:35:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:31,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:32,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:35:32,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-02 21:35:32,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:35:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-12-02 21:35:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-12-02 21:35:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:35:33,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:33,290 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:35:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:34,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:34,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:35:34,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-02 21:35:34,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:35:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2023-12-02 21:35:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-12-02 21:35:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:35:35,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:35,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:35,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:35,577 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:35,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:35:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:36,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:36,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:35:36,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-12-02 21:35:37,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:35:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2023-12-02 21:35:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2023-12-02 21:35:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 21:35:37,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:37,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:37,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:37,789 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:37,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:35:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:38,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:39,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:35:39,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-12-02 21:35:39,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 21:35:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2023-12-02 21:35:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2023-12-02 21:35:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:35:40,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:40,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:40,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:40,145 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:40,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:35:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:41,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:41,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:35:41,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-12-02 21:35:41,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:35:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 73 states and 88 transitions. [2023-12-02 21:35:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2023-12-02 21:35:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:35:42,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:42,707 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:35:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:43,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:44,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:35:44,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-12-02 21:35:44,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:35:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 74 states and 89 transitions. [2023-12-02 21:35:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2023-12-02 21:35:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:35:45,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:45,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:45,373 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:45,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:35:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:46,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:46,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:35:46,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-02 21:35:47,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:35:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 90 transitions. [2023-12-02 21:35:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2023-12-02 21:35:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:35:47,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:47,875 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:47,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:35:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:48,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:49,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:35:49,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-02 21:35:49,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:35:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 91 transitions. [2023-12-02 21:35:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2023-12-02 21:35:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 21:35:50,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:50,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:50,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:50,213 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:50,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:35:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:51,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:51,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:35:51,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:35:51,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:35:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 77 states and 92 transitions. [2023-12-02 21:35:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2023-12-02 21:35:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 21:35:52,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:52,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:52,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:52,800 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:52,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:35:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:53,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:54,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:35:54,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:35:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:35:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2023-12-02 21:35:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2023-12-02 21:35:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 21:35:55,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:55,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:55,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:55,245 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:55,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:35:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:56,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:56,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:35:56,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-12-02 21:35:57,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:35:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2023-12-02 21:35:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2023-12-02 21:35:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 21:35:58,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:58,315 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:58,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:35:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:59,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:59,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:35:59,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-12-02 21:36:00,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 21:36:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-12-02 21:36:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-12-02 21:36:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:36:01,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:01,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:01,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:01,273 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:01,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:36:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:02,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:02,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:36:02,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 21:36:03,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:36:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 21:36:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 21:36:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 21:36:04,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:04,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:04,062 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:36:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:05,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:05,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:36:05,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 21:36:05,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 21:36:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2023-12-02 21:36:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2023-12-02 21:36:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:36:06,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:06,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:06,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:06,856 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:06,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:36:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:08,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:08,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:36:08,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 21:36:08,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-02 21:36:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2023-12-02 21:36:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2023-12-02 21:36:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 21:36:09,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:09,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:09,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:09,824 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:09,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:36:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:11,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:11,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:36:11,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 21:36:11,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:36:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2023-12-02 21:36:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2023-12-02 21:36:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 21:36:12,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:12,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:12,790 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:12,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:36:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:14,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:14,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 89 conjunts are in the unsatisfiable core [2023-12-02 21:36:14,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-12-02 21:36:21,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:38:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 144 states and 174 transitions. [2023-12-02 21:38:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 174 transitions. [2023-12-02 21:38:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 21:38:15,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:15,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:15,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:15,121 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:15,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:38:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:18,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:18,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-02 21:38:18,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 24 proven. 388 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-12-02 21:38:48,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d31dcb-6959-484a-a3aa-83135ee0c2a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0