./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/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_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:32,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:32,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:39:32,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:39:32,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:39:32,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:32,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:32,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:32,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:32,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:32,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:32,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:32,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:39:32,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:39:32,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:39:32,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:32,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:32,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:32,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:32,245 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:39:32,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:32,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:32,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:32,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:32,247 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:32,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:32,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:32,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:32,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:32,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:32,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:39:32,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:39:32,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:32,251 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_2866093b-608d-48c8-bce7-33d368f65ddf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec [2023-12-03 02:39:32,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:32,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:32,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:32,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:32,500 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:32,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-12-03 02:39:35,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:35,441 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:35,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-12-03 02:39:35,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/0924fb1b3/21c4d43bddea4b51b5cf3e0d7ed74bbe/FLAGdd03fd96c [2023-12-03 02:39:35,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/0924fb1b3/21c4d43bddea4b51b5cf3e0d7ed74bbe [2023-12-03 02:39:35,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:35,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:35,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:35,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:35,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:35,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7a45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35, skipping insertion in model container [2023-12-03 02:39:35,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:35,610 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_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c[712,725] [2023-12-03 02:39:35,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:35,632 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:35,641 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_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c[712,725] [2023-12-03 02:39:35,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:35,657 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:35,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35 WrapperNode [2023-12-03 02:39:35,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:35,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:35,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:35,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:35,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,683 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-12-03 02:39:35,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:35,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:35,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:35,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:35,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:35,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:35,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:35,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:35,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:35,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:35,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:35,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:39:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:39:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:39:35,824 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:35,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:35,933 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:35,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:35,954 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:39:35,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:35 BoogieIcfgContainer [2023-12-03 02:39:35,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:35,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:35,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:35,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:35,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:35" (1/1) ... [2023-12-03 02:39:35,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 02:39:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 02:39:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:39:36,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 02:39:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 02:39:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:39:36,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:36,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-03 02:39:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 02:39:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:39:36,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:36,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:36,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:36,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:36,406 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 02:39:36,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated [2023-12-03 02:39:36,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:39:36 ImpRootNode [2023-12-03 02:39:36,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:39:36,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:39:36,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:39:36,432 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:39:36,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:35" (3/4) ... [2023-12-03 02:39:36,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:39:36,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:39:36,436 INFO L158 Benchmark]: Toolchain (without parser) took 971.13ms. Allocated memory is still 184.5MB. Free memory was 142.8MB in the beginning and 149.3MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:36,437 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:36,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.66ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 131.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:39:36,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.13ms. Allocated memory is still 184.5MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:36,438 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 129.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:36,439 INFO L158 Benchmark]: RCFGBuilder took 253.41ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 119.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:39:36,439 INFO L158 Benchmark]: CodeCheck took 474.12ms. Allocated memory is still 184.5MB. Free memory was 119.7MB in the beginning and 150.4MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:36,440 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 184.5MB. Free memory was 150.4MB in the beginning and 149.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:36,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 22 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 33, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. Possible FailurePath: [L24] int counter = 0; [L26] int r; [L27] double a, x; [L28] a = __VERIFIER_nondet_double() [L29] x = a / 2.0 [L30] r = 0 VAL [counter=0, r=0] [L32] EXPR counter++ VAL [counter=1, r=0] [L32] COND TRUE counter++<1 [L33] CALL __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0) VAL [\old(cond)=0, counter=1] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.66ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 131.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.13ms. Allocated memory is still 184.5MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 129.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.41ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 119.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 474.12ms. Allocated memory is still 184.5MB. Free memory was 119.7MB in the beginning and 150.4MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 184.5MB. Free memory was 150.4MB in the beginning and 149.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:39:36,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/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_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:38,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:38,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:39:38,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:38,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:38,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:38,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:38,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:38,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:38,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:38,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:39:38,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:39:38,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:38,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:38,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:38,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:38,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:39:38,491 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:39:38,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:39:38,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:39:38,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:38,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:38,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:38,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:38,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:38,498 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:38,498 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:38,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:38,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:38,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:38,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:38,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:38,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:39:38,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:38,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:38,502 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:39:38,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:38,502 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_2866093b-608d-48c8-bce7-33d368f65ddf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec [2023-12-03 02:39:38,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:38,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:38,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:38,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:38,802 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:38,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-12-03 02:39:41,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:41,794 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:41,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-12-03 02:39:41,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/67b578835/cb773a1f42ec4cb0adc26041789af2ef/FLAGc9b96ef77 [2023-12-03 02:39:41,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/data/67b578835/cb773a1f42ec4cb0adc26041789af2ef [2023-12-03 02:39:41,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:41,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:41,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:41,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:41,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:41,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:41" (1/1) ... [2023-12-03 02:39:41,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704b09fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:41, skipping insertion in model container [2023-12-03 02:39:41,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:41" (1/1) ... [2023-12-03 02:39:41,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:42,003 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_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c[712,725] [2023-12-03 02:39:42,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:42,033 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:42,046 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_2866093b-608d-48c8-bce7-33d368f65ddf/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c[712,725] [2023-12-03 02:39:42,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:42,070 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:42,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42 WrapperNode [2023-12-03 02:39:42,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:42,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:42,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:42,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:42,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,107 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-12-03 02:39:42,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:42,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:42,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:42,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:42,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:42,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:42,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:42,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:42,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:42" (1/1) ... [2023-12-03 02:39:42,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:42,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:42,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:42,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:39:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:39:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:39:42,289 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:42,291 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:43,672 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:43,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:43,699 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:39:43,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:43 BoogieIcfgContainer [2023-12-03 02:39:43,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:43,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:43,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:43,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:43,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:43" (1/1) ... [2023-12-03 02:39:43,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 02:39:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 02:39:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:39:43,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:43,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:43,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:43,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:43,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:39:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:43,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:44,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:39:44,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:44,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:39:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 02:39:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 02:39:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:39:44,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:44,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:44,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:44,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:44,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:39:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:45,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:45,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:45,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:45,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:39:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-03 02:39:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 02:39:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:39:46,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:46,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:46,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:46,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:46,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2866093b-608d-48c8-bce7-33d368f65ddf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:39:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:47,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat